System Description of UMG8900
Huawei Technologies Co., Ltd.
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Table of Contents
Chapter 1 Overview.................................................................................................................. 1-1 1.1 About This Chapter ....................................................................................................... 1-1 1.2 Product Orientation ....................................................................................................... 1-1 1.3 CDMA Network Evolution.............................................................................................. 1-1 1.4 Solutions....................................................................................................................... 1-3
Chapter 2 Key Benefits ............................................................................................................ 2-1 2.1 About This Chapter ....................................................................................................... 2-1 2.2 Powerful Service Processing Ability............................................................................... 2-1 2.3 Flexible Networking Applications ................................................................................... 2-2 2.4 Packet and TDM Switch-Integrated Platform ................................................................. 2-2 2.5 Diversified Interfaces..................................................................................................... 2-2 2.6 Advanced VoIP Technology .......................................................................................... 2-3 2.7 Carrier-Class Reliability................................................................................................. 2-3 2.8 Easy Installation and Maintenance ................................................................................ 2-4 2.9 High Clock Precision ..................................................................................................... 2-5
Chapter 3 System Architecture ............................................................................................... 3-1 3.1 About this Chapter ........................................................................................................ 3-1 3.2 Product Appearance ..................................................................................................... 3-1
3.2.1 Cabinet Appearance ........................................................................................... 3-1 3.2.2 Frame Appearance ............................................................................................. 3-2
3.3 Hardware Architecture................................................................................................... 3-3 3.3.1 Hardware Fundamentals..................................................................................... 3-3 3.3.2 Cabinet Architecture ........................................................................................... 3-4 3.3.3 Frame Architecture ............................................................................................. 3-6
3.4 Logical Architecture....................................................................................................... 3-7 3.5 Introduction of the Main Boards....................................................................................3-11
Chapter 4 Networking Applications......................................................................................... 4-1 4.1 About this Chapter ........................................................................................................ 4-1 4.2 VMSC/TMSC/GMSC Networking Application................................................................. 4-1 4.3 Big Local Network Application ....................................................................................... 4-2 4.4 Tandem Exchange Networking...................................................................................... 4-3 4.5 CDMA2000 LMSD Networking ...................................................................................... 4-4
Chapter 5 The OAM System..................................................................................................... 5-1 5.1 System Architecture...................................................................................................... 5-1
5.1.1 LMT Management System .................................................................................. 5-2 5.1.2 Integrated Network Management System............................................................ 5-3 5.1.3 Command Line ................................................................................................... 5-4
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5.2 OAM Functions ............................................................................................................. 5-4 5.2.1 Device Management ........................................................................................... 5-5 5.2.2 Data Management .............................................................................................. 5-5 5.2.3 Alarm Management............................................................................................. 5-6 5.2.4 Tracing Management .......................................................................................... 5-6 5.2.5 Performance Management.................................................................................. 5-6 5.2.6 Environment and Power Supply Monitoring ......................................................... 5-6
Chapter 6 Technical Specifications......................................................................................... 6-1 6.1 System Performance..................................................................................................... 6-1
6.1.1 Service Processing Capability ............................................................................. 6-1 6.1.2 Platform Switching Capability.............................................................................. 6-2 6.1.3 Clock Specifications............................................................................................ 6-2 6.1.4 Voice Quality Specifications ................................................................................ 6-3 6.1.5 Reliability ............................................................................................................ 6-4
6.2 Physical Specifications.................................................................................................. 6-4 6.2.1 Power Supply and Consumption Specifications................................................... 6-5 6.2.2 Mechanical Specifications ................................................................................... 6-5 6.2.3 Safety Specifications........................................................................................... 6-5
6.3 Environmental Specifications......................................................................................... 6-5 6.3.1 Running Conditions............................................................................................. 6-6 6.3.2 Storage Conditions ............................................................................................. 6-8 6.3.3 Transportation Conditions ..................................................................................6-11
SYSTEM DESCRIPTION OF UMG8900 Chapter 1 Overview
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Chapter 1 Overview
1.1 About This Chapter
This chapter introduces the evolution of Code Division Multiple Access (CDMA) networks and the orientation and application of the UMG8900 in CDMA networks.
This chapter covers:
l Product Orientation l CDMA Network Evolution l Solutions
1.2 Product Orientation
The UMG8900 supports interworking between different bearer modes and conversion of service stream formats. The UMG8900 also provides service resources such as voice codec conversion, announcement playing, digits collecting, audio mixing, echo cancellation and multi-frequency control. It serves as an important device in the core network of the CDMA at different evolution phases.
The UMG8900 is designed for the following applications.
l It can cooperate with the CSOFTX3000 jointly to serve as a Visited Mobile Switching Center (VMSC)/Tandem Mobile Switching Center (TMSC)/Gateway Mobile Switching Center (GMSC) in a CDMA network and to provide the functions of Service Switching Point (SSP)/VLR (Visitor Location Register)/Intelligent Peripheral (IP) at the same time.
l It can serve as a Media Gateway (MGW) and Media Resource Function Processor (MRFP) in the Legacy Mobile Station Domain (LMSD) at CDMA2000 phase 2.
l It can serve as a MGW in the Multi Media Domain (MMD) at CDMA2000 phase 2. l It can serve as a MGW in the all-IP network at CDMA2000 phase 3.
1.3 CDMA Network Evolution
For CDMA networks, the evolution modes of the Base Station Subsystem (BSS) and the Network SubSystem (NSS) are relatively independent of each other. For the BSS, the evolution policy is: IS95A→IS95B→CDMA2000 1X→CDMA2000 1X EVDO. For the NSS, the evolution policy is CDMA2000 Phase 0→CDMA2000 Phase 1→ CDMA2000 Phase 2→ CDMA2000 Phase 3.
As the UMG8900 is applied in the NSS of a CDMA network, the following mainly introduces the evolution processes of the NSS.
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At CDMA2000 phase 0 and phase 1, the network architecture of the NSS adopts the traditional TDM mode. Compared with phase 0, protocols and services are enhanced at phase 1, such as the TDM and packet switching technologies, switchover of the packet data service and the circuit service call after the switchover, and data services after the switchover of the voice service.
Figure 1-1 shows the typical network structure at CDMA2000 phase 1 and before.
BTS BSC/PCF
MSC/SSP/VLR
PDSNAAA
HLR
PSTN
BorderRoute Internet
MS
Figure 1-1 The CDMA2000 phase 0 and phase 1 network structure
In this networking mode, the traditional voice and narrowband data services adopt the TDM mode. The new packet service accesses the external Internet by Public Data Serving Node (PDSN) through a border router to provide data services.
When the CDMA network evolves to CDMA2000 phase 2, it follows several steps described below. It first uses the LMSD to access the original voice service. This mode is based on the Bearer Independent Call Control (BICC) architecture. Figure 1-2 shows the structure of the LMSD.
BTS BSC/PCF
MSCe/VLR/SCPe
PDSNAAA
HLRe
PSTN
BorderRoute Internet
MS
MRFP MGW
Figure 1-2 The structure of the LMSD network
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Under this structure, the call control is separated from the service bearer and the service is separated from the call control. This enables the fast access of new services. At the same time, the core network accesses the original voice service by way of packets, facilitating the evolution towards an all-IP network.
In the LMSD domain, the original MSC is divided into three entities, that is, the MSC entity (MSCe), MGW and MRFP. The MSCe controls the call, the MGW provides service bearer function and implements conversion between different bearer modes and the MRFP provides various service resources for wireless voice services.
With the gradual evolution, CDMA networks introduce the MMD and develop into the all-IP phase. Finally, the core network of fixed networks, WCDMA and CDMA mobile networks become integrated. At this phase, the core network accesses users through different access networks as a single network and provides differentiated services.
The UMG8900, as a high capacity next generation carrier-class gateway of Huawei Technologies Co., Ltd. (hereinafter referred to as Huawei), can serve as an important entity in the CDMA network at different evolution phases.
1.4 Solutions
Huawei provides end-to-end solutions for CDMA networks. The CSOFTX3000 and the UMG8900 can cooperate to serve as a VMSC/TMSC/GMSC in a traditional CDMA network. When a CDMA network introduce the LMSD under the bearer independent call control architecture, the CSOFTX3000 can serve as an MSCe in the LMSD while the UMG8900 can serve as an MRFP and MGW. When the network evolves into the MMD phase, the CSOFTX3000 can serve as a Media Gateway Control Function (MGCF) and the UMG8900 can serve as an IP Multimedia-MGW (IM-MGW) respectively through software upgrade.
During the network evolution, the UMG8900 can smoothly evolve into an interworking gateway device in the core network integrating mobile and fixed networks through software upgrade.
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Chapter 2 Key Benefits
2.1 About This Chapter
This chapter introduces the features of the UMG8900 to provide a general understanding of the device for the users.
The features of the UMG8900 include:
l Powerful Service Processing Ability l Flexible Networking Applications l Packet and TDM Switch-Integrated Platform l Diversified Interfaces l Advanced VoIP Technology l Carrier-Class Reliability l Easy Installation and Maintenance l High Clock Precision
2.2 Powerful Service Processing Ability
The UMG8900, by networking with the CSOFTX3000, provides basic services, supplementary services and intelligent services in CDMA networks. It supports all service functions in current networks and the evolution toward all-IP packet networks.
l Multiple voice codecs such as G.711A/G.711µ/UMTS Adaptive Multi-rate (AMR), support G.711 over IP mode.
l Dynamic selection of voice codec, Cancellation (EC), Voice Activity Detection (VAD), Comfort Noise Generation (CNG), and various Quality of Service (QoS) assurance methods including the setting of voice and data services priorities, JitterBuffer (JB), IP Type of Service (ToS), Differential Service Code Point (DSCP) and Virtual Local Area Network (VLAN) priority.
l Announcement playing, digit collecting, dynamic loading of tone files, and intelligent tones playing.
l Interworking functions (IWF) provided by the attached shared IWF (SIWF) device, including fax, synchronous data bearer, asynchronous data bearer and so on.
l Embedded signaling gateway function, which can adapt and forward signaling of access networks or PSTN to packet core networks based on M2UA/M3UA.
l Dual homing functions so that the UMG8900 can switch to the slave CSOFTX3000 in the event of the master failure.
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2.3 Flexible Networking Applications
The UMG8900 supports IP/TDM bearer mode and multiple voice codec. It implements voice and narrowband data service switching through the cooperation with the CSOFTX3000.
The UMG8900 can network as independent MRFP and MGW in a CDMA2000 network. It can also provide the functions of these two entities at the same time.
Multiple UMG8900 can accept the management and control from one CSOFTX3000. It can network with the CSOFTX3000 to work as a VMSC/TMSC/GMSC and can also create a big local network by way of separated architecture.
The UMG8900 and the CSOFTX3000 can be placed at different places. Placing the UMG8900 at a local exchange near the users can reduce delay and improve the voice quality.
2.4 Packet and TDM Switch-Integrated Platform
The UMG8900 hardware platform is designed to support both TDM circuit switching services and IP packet switching services.
Service streams and control streams are processed by different packet switching units, where the maximum switching capabilities of packet and TDM services reach 128 Gbit/s and 256 k respectively. Either service or control data are forwarded through two separate channels in 1 + 1 backup mode to avoid single point failure.
The packet and TDM switch-integrated platform addresses the requirements for the TDM network and packet network as well. Therefore, the present networks can evolve to all-IP networks smoothly through software upgrade instead of hardware replacement so as to protect investment.
2.5 Diversified Interfaces
Table 2-1 shows the interface types provided by the UMG8900.
Table 2-1 Interfaces types of the UMG8900
Classification Physical Type Type Remarks
STM-1/OC-3 SDH/SONET
Electrical interface, single-mode and multi-mode optical interface TDM
E1/T1
10/100M
Physical interfaces
IP
GE Multi- and single-mode optical interface
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Classification Physical Type Type Remarks
STM-1/STM-4 POS
Multi- and single-mode optical interface
8 kHz
2048 kHz/2048 kbit/s BITS Clock interface
GPS/GLONASS
FE Debugging network port and maintenance network port Maintenance
interface RS232 Debugging serial port
The UMG8900 supports small form factor pluggable (SFP) optical modules. The STM-1 SDH/SONET, STM-1 ATM and STM-1/4 POS interfaces can be configured with different optical modules in different applications.
2.6 Advanced VoIP Technology
The UMG8900 implements service stream bearer and transfer between the TDM and IP packet network. The common reasons that affect the voice quality in the IP packet network include: delay, jitter, packet loss and echo.
The UMG8900 reduces delay and jitter by the dynamic buffering technology and reduces the effect of packet loss on the voice quality by the lost-packet compensation technology. The echo is avoided by the echo cancellation technology. The UMG8900 further improves the voice quality by the mute detection and comfortable background noise generation technologies.
In the packet service transmission, the system supports priority of the IP packet service stream. It realizes hierarchical transmission of different service streams through the cooperation with the bearer network and thus provides reliable protection.
The UMG8900 holds a leading position in the industry in voice quality enhancement indexes. The detail information refer to 6.1.4 Voice Quality Specifications.
2.7 Carrier-Class Reliability
The UMG8900 reliability is ensured through the following mechanisms or designs:
l Distributed independent clock system and modularized software and hardware. Thus, one module failure does not affect the working of other modules.
l Backup and service protection mechanisms to avoid single-point failure. In the UMG8900, service boards work in 1 + 1 backup mode, interface boards in 1 + 1 or N + 1 backup mode, and resource boards in load sharing and resource pool mode.
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l Core switching unit protection. The core switching unit is designed with dual-plane structure and outgoing packet error detection and selection techniques.
l Master/slave channels for internal communication, thus avoiding single point failure.
l Redundant fans with intelligent control and alarm functions, and redundant power supply systems providing dual-channel power supply and real-time monitor and alarm.
l Service security mechanisms such as user right assignment, command group management, firewall, encryption key, authentication and IP Security (IPSec).
l Multiple alarm reporting and handling ways. Alarms can be reported by timely by panel indicators and alarm boxes, or by a network management system in a centralized way. You can handle alarms through the LMT or a network management system.
2.8 Easy Installation and Maintenance
The UMG8900 supports easy installation and flexible maintenance. The details are shown in Table 2-2.
Table 2-2 Easy Installation and Maintenance
Type Description
Installation
Installed in the standard 19-inch cabinet, which is convenient for arrangement and expansion. Each functional module provides standard external interfaces with clear labels. Boards are plugged in front and back slots on backplanes in pair and all cables lead out from the rear cabinet for the convenience of equipment installation and cable distribution. As standardized joints are used, there is no need for special tools in equipment mounting.
Maintenance
On-line report, load and patch installation of hardware and software, which entail software upgrade and maintenance without affecting system operation. Version consistency check, version authentication of front administration module (FAM) and back administration module (BAM) and version roll back. Logs, alarms, traffic statistics and fault diagnosis functions, facilitating fault location and troubleshooting. Easily manageable graphical operation interfaces, providing strong online help functions. Alarm box function, displaying alarm information in a visual way and notifying alarms to you by way of telephones.
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2.9 High Clock Precision
The UMG8900 offers a clock unit (CLK) responsible for clock provision. The CLK, working in master/slave mode, can extracts 8 kHz link clock, 2048 kHZ/2048 kbit/s BITS clock and GPS/GLONASS clock. It provides stratum two A clock and stratum three clock for different networking needs.
SYSTEM DESCRIPTION OF UMG8900 Chapter 3 System Architecture
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Chapter 3 System Architecture
3.1 About this Chapter
This chapter introduces the system architecture of the UMG8900 to provide a general understanding of the UMG8900 hardware components for the users.
This chapter covers the following topics:
l Product Appearance l Hardware Architecture l Logical Architecture l Introduction of the Main Boards
3.2 Product Appearance
3.2.1 Cabinet Appearance
The UMG8900 is installed in the standard 19-inch cabinet, which supports flexible configuration to meet the requirements of different capacities and networking applications. In the presence of small-capacity networking application, the UMG8900 can be configured with a single frame; in the presence of large-capacity networking application, it can be configured with multiple cascaded frames. The single-frame and multi-frame cascading both adopt the N68-22 cabinet provided by Huawei.
An N68-22 cabinet has a 46U inside space (1U = 44.45 mm = 1.75 inches) and comprises a power distribution frame, three semi-integrated frames, a cabling trough, multiple dummy panels, a rack, multiple guide rails and one or more fiber coilers. It is supplied with -48V/-60V DC power. It conforms to IEC297 standards, and meets the requirement for flexible module configuration.
In the presence of a single cabinet, the front view of an N68-22 cabinet is show in Figure 3-1.
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Figure 3-1 Cabinet appearance of the UMG8900
The UMG8900 contains a maximum of nine frames. According to different trunk cables used, the UMG8900 can accommodate three or five cabinets at most and adopt the cascading mode for the networking.
3.2.2 Frame Appearance
The front view of a frame is show in Figure 3-2.
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Figure 3-2 The frame appearance of the UMG8900
The frame is in standard 19-inch size and provides 32 slots. The boards can be inserted in the front slots and back slots at the same time.
3.3 Hardware Architecture
3.3.1 Hardware Fundamentals
The components of the UMG8900 are show in Figure 3-3.
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LMT
Main ControlFrame
Center SwitchFrame
ServiceFrame
ServiceFrame
Extended Control Frame
SIWF
Figure 3-3 Hardware components
The UMG8900 supports nine frames at most. When the UMG8900 works as a VMSC, it needs to attach the Shared Inter-Working Function (SIWF) device to provide the Inter-Working Function (IWF). The UMG8900 and the SIWF connect with each other by FE and E1, and communicate through the internal protocol.
The UMG8900 frames can be logically classified into the main control frame, central switching frame, service frame and extended control frame. The main control frame is the control and management center of the equipment and also provides the service processing function. The central switching frame provides switching and cascading functions. The service frame provides the service processing function. The extended control frame only processes call control messages but cannot process bearer services.
3.3.2 Cabinet Architecture
Considering the combination with the SIWF and all E1 interfaces applications, two configuration modes are available for the UMG8900.
l In hybrid applications of E1 and SDH interfaces, three cabinets and nine frames can be configured. Each cabinet can hold three frames. This mode mainly applies to a tandem or gateway exchange.
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l In all E1 interfaces applications, each cabinet can hold two frames at most. A maximum of five cabinets can be used. The cabinet can accommodate an SIWF frame. This mode mainly applies to a local or tandem exchange.
Figure 3-4 shows the configuration of three cabinets holding full nine frames.
Service frame #2
Main control frame #1
Central switching frame#0
Power distribution frame
Dummy panel
Dummy panel
Dummy panelFiber coiler
Service frame #5
Service frame #4
Service frame #3
Power distribution frame
Dummy panel
Air deflector
Dummy panelFiber coiler
Extended control frame #8
Service frame #7
Service frame #6
Power distribution frame
Dummy panel
Dummy panel
Dummy panelFiber coiler
Figure 3-4 Three-cabinet and nine-frame full configuration
In the full configuration of three cabinets as shown above, there are altogether nine frames, which connect with each other in the cascading mode. In the full configuration, the UMG8900 can support 1.8 million users at most. Common networking applications usually do not need the full configuration of three cabinets.
In all E1 interfaces configuration, each frame supports a maximum of 256 E1 interfaces. For the convenience of cabling and maintenance, a single cabinet can be configured with two frames at most that support only E1 interfaces. In a local exchange application, an SIWF device usually needs to be configured. Figure 3-6 shows the maximum configuration in this mode.
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Main ControlFrame
SIWF
PowerDistribution
Dummy Pannel
Dummy Pannel
Fiber Coiler
Dummy Pannel
Service Frame
CentralSwitching
Frame
PowerDistribution
Dummy Pannel
Dummy Pannel
Fiber Coiler
Service Frame
Service Frame
PowerDistribution
Dummy Pannel
Dummy Pannel
Fiber Coiler
Service Frame
Service Frame
PowerDistribution
Dummy Pannel
Dummy Pannel
Fiber Coiler
ExtendedControl Frame
Service Frame
PowerDistribution
Dummy Pannel
Dummy Pannel
Fiber Coiler
Service Frame
Dummy Pannel
Dummy Pannel Dummy Pannel Dummy Pannel
Figure 3-5 Five-cabinet full configuration
In all E1 interfaces configuration, if each cabinet holds two frames and an SIWF frame is also configured, five cabinets are used.
In case of non-all E1 interfaces configuration, the number of the frames in a cabinet can be adjusted according to actual E1 interfaces configuration. It is recommended that a cabinet hold three frames to increase the cabinet utilization and reduce space occupation of the equipment room.
3.3.3 Frame Architecture
The UMG8900 frame is a kind of semi-integrated frame, integrated with a fan box and in front-and-back slot structure. Figure 3-6 shows the UMG8900 frame architecture.
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Common
Common
Common
Common
Common
Common
OMU/MPU
OMU/MPU
Common
Common
Common
Common
Common
Common
Common
Common
Common
Common
Common
Common
NET
NET
Common
Common
Common
Common
Common
Common
8U
9U
Back
Front
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15Slot No.
Figure 3-6 The UMG8900 frame architecture
The height of the front slot is 9U and that of the back slot, 8U. No. 7 and 8 back slots are for the NET board only. No. 7 and 8 front slots are for main control boards. In the main control frame, the main control board is the OMU board; in other frames, the main control board is the MPU board. No. 6 and 9 back slots are for TDM switching and cascading boards. In the central switching frame, the TDM switching and cascading board is the TNU board only; in service frames and the extended control frame, it is the TCLU board only. In the single-frame networking, the main control frame and the central switching frame are combined into one frame, and No. 6 and 9 slots are for TNU boards. If a central switching frame exists, the TDM switching board in the main control frame is the TCLU board.
The common slots can be inserted with various service boards. The CLK board is always inserted in No. 0 or 1 back slot in the main control frame. Some front and back boards must be inserted opposite to each other. For example, if a front slot is inserted with a service board RPU, the corresponding back slot must be inserted with an interface board such as an E8T, P4L or E1G.
3.4 Logical Architecture
Figure 3-7 shows the components of the hardware functional modules of the UMG8900.
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CMUOMU/MPU
MBus
PacketSwitch
NETRPUE8T/E1G
S2L/S2E
E32/T32
TNU/TCLU
E32/T32
S2L/S2E
BLU/FLU/BKP
CLK
IP
Packet Processing Subsystem
GatewayControl
Subsystem
ServiceSource
Subsystem
TDM Processing Subsystem
CascadingSubsystem
Closck Subsystem
Operation & Maintenance Subsystem
E8T/E1G
TCU/ECU
SPF
SignalingTransfer
Subsystem
MGC(CSOFTX3000)LMT/iManager
RPU
Figure 3-7 Logical architecture of the UMG8900
The UMG8900 is engaged in IP/TDM bearer service access and process, media gateway control interaction, media resource process, signaling adaptation and transparent transmission, device management and maintenance, clock and cascading management.
According to functions and distributed modules, the device hardware system can be divided as follows.
1. Operation and Maintenance Subsystem
Its function is to manage and maintain the entire device through the BAM built in the operation & management unit (OMU) together with the LMT. In the small capacity networking application, the OMU implements the corresponding functions without having to use an independent gateway control subsystem.
The OMU processes the gateway control messages and implements switching with softswitch device and management of internal service resources.
The LMT can be deployed on a common PC, which is delivered along with the UMG8900.
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There are two types of boards in the operation and maintenance subsystem: OMU and main processing unit (MPU). The OMU is targeted to manage the entire device; while the MPU is to manage the local frame.
The physical boards in this subsystem are the mobile network OMU (MOMU) and mobile network MPU (MMPU).
II. Gateway Control Subsystem
Its function is to exchange media gateway control messages with an MGC device to invoke and manage resources of the UMG8900.
The subsystem includes the protocol processing unit (PPU) and the connection maintenance unit (CMU). The PPU is responsible for implementing H.248 protocol stack, and the CMU is for resolving H.248 messages, setting up service bearers and managing resources.
The physical board of the PPU is the mobile network back protocol processing unit (MPPB), and the physical boards of the CMU are the mobile network front/back connection maintenance units (MCMF and MCMB).
& Note:
The functions of the PPU and the CMU can be provided by the MOMU/MMPU. The function of the PPU can be provided by the CMU or this can be decided by the actual networking mode and requirements.
III. Packet Processing Subsystem
Its function is to provide hardware interfaces and modules and deal with packet service bearers.
The UMG8900 provides IP packet service bearers, including the resolution and adaptation of the transmission layer and network layer protocols and JitterBuffer processing on the bearer services.
The hardware of the packet processing subsystem includes logical boards such as the RPU, E8T, E1G, P1H, P4L and NET. The RPU processes the IP, the NET switches the internal packet services, while the other boards are configured to be inserted opposite to the RPUs to provide various interfaces as interface boards.
The corresponding physical boards of the packet processing system are the MRPU, ME8T, MG1O, MP1H, MP4L and MNET.
Its hardware mainly includes RTP processing unit (RPU), 8-port 10/100M Ethernet interface board (E8T), one-port gigabit Ethernet optical interface board (E1G), one-port STM-4 POS optical interface board (P1H), 4-port STM-1 POS optical interface board
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(P4L), packet switch unit (NET). The corresponding physical boards are MRPU, ME8T, MG1O, MP1H and MNET.
IV. TDM Proccesing Subsystem
Its function is to provide TDM switching modules and TDM interfaces to process TDM signals, thus achieving interconnection with TDM networks such as PSTN.
The TDM service processing subsystem mainly includes TDM hardware interfaces and TDM switching modules. The function of the subsystem is to process the TDM signaling.
The hardware includes TDM central switching net unit (TNU), TDM convergence & link unit (TCLU), 32E1 ports TDM interface board (E32), 32T1 port TDM interface board (T32) and 2 × 155M SDH optical interface board (S2L). The corresponding physical boards are MTNU, TCLU, ME32, MT32, MS2E and MS2L.
V. Service Resource Subsystem
Its function is to provide resources for media stream format conversion and service proceeding.
Its hardware includes TransCode unit (TCU). The corresponding physical boards are MTCB and MTCD.
VI. Signaling Transfer Subsystem
Its function is to transfer access network signaling and PSTN signaling.
It works with the gateway control subsystem, operation & maintenance subsystem and TDM process subsystem to implement signaling adaptation and transfer.
Its hardware includes the front signaling processing unit (SPF), and the corresponding physical board is MSPF.
VII. Clock Subsystem
Its function is to provide clock signals input and output for the entire system and to complete clock phase lock and synchronization.
Its hardware includes the clock unit (CLK) board, responsible for clock extraction and access. The corresponding physical board is MCLK.
VIII. Cascading Subsystem
Its function is to cascade packet, TDM and control service flows in the presence of multiple frames cascaded together with the packet service process subsystem and TDM service process subsystem.
The hardware includes back link unit (BLU) and front link unit (FLU). The corresponding physical boards are MBLU and MFLU.
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3.5 Introduction of the Main Boards
The UMG8900 boards are classified into logical boards and physical boards. One type of logical boards includes one or more physical boards with the same or similar functions.
Table 3-1 lists some major boards and their functions.
Table 3-1 Major boards and functions
Logical board Physical board Function
OMU MOMU Operating, maintaining and managing the entire device
MPU MMPU Managing the boards of the local frame, operating as the OMU directs
NET MNET Providing packet service switching function
TNU MTNU Providing TDM service switching function
TCLU TCLU Cascading TDM service frames
PPU MPPB
Implementing resolution and adaptation of the transport layer and network layer protocols of the H.248 messages. Resolving and encapsulating the H.248 protocol stack.
MCMB
CMU MCMF
Controlling and managing various service resources of the device. The MCMF and the MCMB providing similar functions as the front board and back board respectively.
CLK MCLK Providing various clock signals for the device.
RPU MRPU Implementing adaptation of IP bearer service and accessing IP service through the back IP packet interface boards.
TCU MTCB
Implementing service stream formats processing including voice codec conversion, echo cancellation, announcement playing and audio mixing.
SPF MSPF
Implementing adaptation of signaling from the TDM side to the IP packet side and supporting adaptation protocols such as M2UA/M3UA/V5UA/IUA.
Besides, the UMG8900 also provides TDM interface boards such as E32/T32/S2L and IP packet interface boards such as E8T/E1G/P4L/P1H. No more explanation is provided here.
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Chapter 4 Networking Applications
4.1 About this Chapter
The UMG8900 is flexible in networking. The networking applications of the UMG8900 include:
l Networks with the CSOFTX3000 to be used as the VMSC/TMSC/GMSC in the CDMA network. It inherits the services provided by the existing CDMA network to meet the requirements for smooth evolution of the CDMA2000.
l Networks with the CSOFTX3000 to create big local network. l Networks with the CSOFTX3000 to be used a tandem exchange, realizing
packetization of the core network. l Networks as the MGW and the MRFP in the CDMA2000 Phase 2 network.
4.2 VMSC/TMSC/GMSC Networking Application
Figure 4-1 shows the networking of the UMG8900 as the VMSC/TMSC/GMSC in the CDMA network.
BSC
BTS
BTS BSC
BTS
BTS
CSOFTX3000
UMG8900
CDMA
CSOFTX3000
UMG8900
PSTN/PLMN
CSOFTX3000
UMG8900
TDM
TDMTDM
TMSC/GMSC
VMSC
Figure 4-1 Networking of the VMSC/TMSC/GMSC
Under this mode, the UMG8900 networks with the CSOFTX3000 to work as a single network element device. The UMG8900 and the CSOFTX3000 are connected with each other by the straight through cable or through the internal LAN Switch.
When the UMG8900 is used as a VMSC/TMSC/GMSC, it accesses the BSC/TMSC or the PSTN switch by way of TDM. The semi-permanent connection of the UMG8900 or
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the embedded signaling gateway transfers the signaling from the TDM side to the CSOFTX3000. The BSC/TMSC and PSTN switch do not need a direct connection physical channel to connect with the CSOFTX3000.
The VMSC and the TMSC/GMSC connect with each other by the existing TDM network, providing transmission of signaling, voice and narrowband data service.
The GMSC and external networks such as the PSTN and PLMN connect with each other by way of TDM, realizing interworking with user signaling and service data of external network.
This networking mode meets the needs of the existing network structure and networking mode. Under this mode, the UMG8900 and the CSOFTX3000 adopt the separated architecture of call control and service bearer. When the network evolves to the packet core network of CDMA2000, the BSC side devices can be accessed by adding part of the boards through software upgrade, greatly saving the user investment.
4.3 Big Local Network Application
Multiple UMG8900 can accept management and control from one CSOFTX3000 to create a big local network.
Figure 4-2 shows the networking of the big local network.
BSC
BTS
BTSBSC
BTS
BTS
UMG8900 UMG8900
CDMACSOFTX3000
UMG8900
TDM
TMSC
BSC
BTS
BTS
Figure 4-2 Networking of the big local network
Under this mode, multiple UMG8900s accept management and control from one CSOFTX3000. One UMG8900 can be placed where the original VMSC local exchange is located to implement service stream switching and signaling transfer.
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Multiple local UMG8900s connect directly with the TMSC to implement service upstream convergence. The UMG8900s in the big local network also connect with each other to implement service connection between the network users.
In the big local network mode, the call between users of the original local networks is called intra-network call. The call control devices are centralized to make the management and maintenance of the device more convenient. This kind of separated architecture utilizes the current TDM transmission network and facilitates the smooth evolution towards the ALL-IP network.
4.4 Tandem Exchange Networking
The core network of the current CDMA network adopts TDM mode. The UMG8900 can be used as a tandem/toll exchange in the current network and adopt the IP or TDM mode to realize IP packetization of the core network.
Figure 4-3 shows the networking application of the UMG8900 as a tandem exchange.
CSOFTX3000 CSOFTX3000
IP/TDM
UMG8900
STP STP
VMSCVMSC
VMSC
VMSC
VMSC
VMSC
UMG8900 UMG8900
STP: Signaling Transfer Point
VMSC: Visited Mobile Switching Center
UMG: Universal Media Gateway
Figure 4-3 The tandem exchange networking application
Under this mode:
l The UMG8900 and local exchange VMSC connect with each other by way of TDM to implement connection of call service.
l The UMG8900s connect with each other through the IP packet network. Or they can be connected by way of TDM, utilizing the current TDM transmission network.
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l The UMG8900 and the CSOFTX3000 connect with each other by way of IP, communicating based on the standard H.248 protocol.
The local exchange signaling can be transferred to the CSOFTX3000 by the signaling transfer point through special signaling network. Or the embedded signaling gateway of the UMG8900 implements adaptation on the local exchange signaling based on the SIGTRAN protocol and transfers the signaling to the CSOFTX3000 for processing by way of IP packet. The UMG8900 also supports the M2UA or M3UA signaling adaptation modes.
The UMG8900s support service stream connection between them by way of IP and TDM. This enables the current TDM network to smoothly evolve to the IP packet network. At the same time, the UMG8900 is on the basis of separated architecture and communicates with the CSOFTX3000 by standard H.248 protocol, which meets the requirements for the evolution of the core network.
The UMG8900, as a tandem exchange service bearer device, implements the smooth expansion and evolution of the current network. Because it adopts separated architecture and supports various bearer modes, it provides flexibility in networking applications.
4.5 CDMA2000 LMSD Networking
After the network evolves to CDMA2000 phase 2, the UMG8900 can serve as the MGW and MRFP logical network element devices in a network.
Figure 4-4 shows the networking application of the UMG8900 in a CDMA2000 LMSD network.
BSC
BTS
BTSBSC
BTS
BTS
UMG8900 UMG8900
IP
CSOFTX3000
Figure 4-4 CDMA2000 LMSD networking application
After the network evolves to the CDMA2000, the core network adopts the packet connection mode to access the original voice service. The UMG8900 processes the
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voice service formats and provides various service resources and the CSOFTX3000 implements the call control of the voice service.
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Chapter 5 The OAM System
5.1 System Architecture
The OAM system contains operation, management and maintenance functions. It refers to all the work a carrier does on a telecommunication equipment or system that have been put into operation. The purpose of the OAM is to ensure that the system runs normally and provides excellent services.
The UMG8900 provides powerful maintenance and management functions that facilitate routine management and maintenance and increase the usability and maintainability of the equipment.
The maintenance and management system is shown in Figure 5-1.
LAN
Internet
PSTN
UMG8900
Router
ModemLMT
LMT
Local Maintenance
Remote Maintenance
M2000 Server M2000 Client
UMG: Universal Media Gateway LMT: Local Maintenance Terminal
LAN: Local Area Network
WS: Work Station PSTN: Public Switched Telephone Network
Figure 5-1 UMG8900 Maintenance and Management System
The OAM system is based on the client/server structure. The UMG8900 host acts as the server and the LMT as the client. The LMT is responsible for management and maintenance functions.
Through the LMT, the UMG8900 implements remote and local maintenance. It also provides interfaces with the M2000 integrated Network Management System (NMS) provided by Huawei so as to accomplish centralized management on the whole
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network devices. The M2000 NMS consists of one M2000 server and multiple M2000 clients.
5.1.1 LMT Management System
The UMG8900 is maintained and managed by means of MML or graphic user interfaces (GUI) of the LMT. The LMT supports the following functions:
l Device configuration and management l Service maintenance l Performance statistics l Service tracing l Security management and troubleshooting.
As an operation and maintenance client, the LMT connects to the BAM of the OMU. The LMT and BAM are designed in a standard client/server structure. The BAM supports device management and provides external management interface. Because the BAM applies the industry-popular real-time and distribution operation system, service processing capability is greatly improved. The BAM connects and manages other functional units through the FAM.
The LMT provides friendly graphic interfaces and abundant online help information. At the LMT, you can check command meaning and parameter description when using commands. In addition, you can view alarm information, including alarm meaning, handling suggestions and so on.
The LMT provides the following functions:
l Managing multiple UMG8900 devices at the same time l Providing external alarm boxes for reporting voice and optical alarms l Sending alarm information to maintenance technicians
To insure reliable connection between the LMT and the UMG8900, dual planes design is used, as shown in Figure 5-2.
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OMU
OMU
NET
NET
LanSwitch
LMT
UMG8900
LMT: Local Maintenance Terminal UMG: Universal Media Gateway NET: Packet Switch Unit LAN Switch: Ethernet Switch OMU: Operation and Maintenance Unit
Figure 5-2 Dual planes network
In actual networking, both master and slave OMUs of the UMG8900 connect to the LAN Switch through standard network cables. The LMT system communicates with the UMG8900 host also through the LAN Switch. During communication, only the master OMU functions. When the master board fails, the slave OMU becomes active and connects to the LMT. The master OMU provides only one maintenance IP address (OMC interface) for the outside.
& Note:
The back NET accommodates OMC interfaces so as to meet requirements of the UMG8900 back cabling.
5.1.2 Integrated Network Management System
M2000 is a NMS in iManager network management solutions independently developed by Huawei. It implements centralized management for different devices in fixed networks. The LMT can be integrated into M2000 NMS to manage all devices in a centralized way and browse devices with the help of the topology management function of the M2000 NMS. The M2000 NMS communicates with the UMG8900 host based on TCP/IP.
Integrated NMS makes it easy to maintain alarm information, operate, manage the equipment and manage and query the system so as to implement centralized management.
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The M2000 NMS includes M2000 Server and M2000 Client. More than one M2000 Client can be used. The LMT is loosely coupled with integrated NM; the former is responsible for special management of the UMG8900 while the latter is responsible for device public management such as all network devices topology management and troubleshooting.
5.1.3 Command Line
The system provides not only graphical interface-based operation and maintenance but also MML command. The MML command can be used to implement data configuration, routine operation and maintenance management.
MML is an interactive interface between machine and man, which is based on ITU Z.301-Z.341 series. MML provides commands to operate and query the UMG8900. Using the commands, users can monitor and manage the UMG8900 over all networks.
MML has the following features:
l Encapsulation: services of the UMG8900 encapsulated with MML commands. One command corresponds to one function other than a simple operation. For example, adding an IP address for an IP interface, several steps can be integrated through MML commands so as to improve efficiency.
l Consistence check: data consistency check is performed by MML system. The relationship between tables is checked when the function is executed to prevent rubbish data.
l Conversion: MML commands are equivalent to the lower layer Application Program Interface (API), and all other applications are built on it. GUI terminal translates operations of user interface into commands and then transmits them to MML system to implement execution and returning text. The result in graphical interface converts to proper output. In this way, the system stabilities can be ensured. The system running will not be affected by program problems.
l Interactive: input and output of MML system based on pure character string support interaction between Telnet and devices. It is easy for client to cross over several platforms (for example, support dump terminal without processing capability). This brings convenience to integrated network management, which represents the development trend in communications products.
In the MML graphical interface, you can perform historical commands selecting and key word searching. These functions make it easy to choose the needed commands.
For special command parameters, there is a prompt for parameters input. You can also input a parameter through drop box, check box and so on to facilitate users.
5.2 OAM Functions
The UMG8900 provides graphical operation and maintenance environment. The main OAM functions include:
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l Device Management l Data Management l Alarm Management l Tracing Management l Performance Management l Environment and Power Supply Monitoring
5.2.1 Device Management
In a graphical interface, you can view the information about device configuration, board cascading and the present status of boards and power distribution. Through the shortcut menu, you can perform the following operations on boards and interfaces:
l Querying l Displaying l Switching over l Resetting l Isolating l Blocking l Activating
Through graphical interface and MML commands, you can manage and maintain:
l Hardware l System resources l Signaling links l Clock l Physical ports
5.2.2 Data Management
The idea of the function is to manage and maintain the configuration and operating data of the UMG8900.
The configuring data include service configuration and local configuration data. The UMG8900 supports the following operations on the data to facilitate system upgrade and maintenance:
l Saving l Dumping l Restoring
During the system running, the following data are generated such as alarm, log, performance and tracing. The system provides direct data saving function as well as dumping function so as to implement real time data backup, which helps with faults location and network optimization.
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5.2.3 Alarm Management
The idea of this function is to receive and deal with alarms. According to alarm type and level, a specific alarm terminal (for example, an alarm box and alarm management system) starts up, delivers the corresponding voice and optical signals, and sends the translated alarm information to the NM center through NM interfaces. In addition, the function also supports:
l Saving alarm information l Querying historical alarm records l Setting alarm processing
5.2.4 Tracing Management
The idea of the function is to support service tracing, signaling tracing, interface tracing and message explanation. It also performs real time dynamic tracing on service resources and interface protocols in the following fields:
l Connection process l Status migration l Resource occupation l Control information flow
The above information can be stored for fault location and fixing.
5.2.5 Performance Management
The idea of the function is to measure services and call objects. These statistics results are reference for device status analysis and telecommunications network plan, design, operation, management and maintenance.
The system provides powerful performance measurements. The performance management is implemented through defining different measure objects, measure sets, measure units and measure items and setting flexible measure time.
5.2.6 Environment and Power Supply Monitoring
In this case, remote monitoring and centralized management in equipment rooms can be achieved even when no one is on duty.
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Chapter 6 Technical Specifications
6.1 System Performance
6.1.1 Service Processing Capability
I. VMSC
The service processing capability of the UMG8900 VMSC is shown in Table 6-1.
Table 6-1 Service processing capability of CDMA VMSC
Item Networking Mode Index
CDMA2000 (IP core network)
E1: 200,000(single frame), Maximum 1,800,000 STM-1 SDH: 300,000(single Frame), Maximum 1,800,000
User
CDMA (TDM core network)
E1: 150,000(single frame), Maximum 1,800,000 STM-1 SDH: 360,000(single frame), Maximum 1,800,000
Traffic volume 45kErlang
BHCA 2700k
II. GMSC
The service processing capability of UMG8900 GMSC is shown in Table 6-2.
Table 6-2 Service processing capability of CDMA GMSC
Item Networking Mode Index
CDMA2000 (IP core network)
E1: 12,000 equivalent trunk (single frame), Maximum 112,000 STM-1 SDH: 20,000 equivalent trunk (single frame), Maximum 140,000 Trunk
CDMA (TDM core network)
E1: 8,000 (single frame), Maximum 56,000 STM-1 SDH: 32,000 (single frame), Maximum 220,000
BHCA 5400k
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& Note:
Equivalent trunk is equal to TDM trunk plus IP equivalent trunk.
III. TMSC
The service processing capability of UMG8900 TMSC is shown in Table 6-3.
Table 6-3 The service processing capability of UMG8900 TMSC
Item Networking Mode Index
Upstream in IP mode
E1: 12,000 equivalent trunk (single frame), Maximum 112,000 STM-1 SDH: 20,000 equivalent trunk (single frame), Maximum 140,000 Trunk
Upstream in TDM mode
E1: 8,000 (single frame), Maximum 56,000 STM-1 SDH: 32,000 (single frame), Maximum 220,000
BHCA 5400k
6.1.2 Platform Switching Capability
The UMG8900 hardware supports TDM switching and packet switching. The system switching capability is shown in Table 6-4.
Table 6-4 Platform switching capability
Item Index
TDM switching 256k
Packet switching 128Gbit/s
6.1.3 Clock Specifications
Table 6-5 shows clock specifications.
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Table 6-5 Clock specifications
Item Name Index
Minimum accuracy Stratum 2 clock: ±4 × 10-7 Stratum 3 clock: ±4.6 × 10-6
Pull-in range Stratum 2 clock: ±4 × 10-7 Stratum 3 clock: ±4 × 10-6
Maximum frequency offset
Stratum 2 clock: 5 × 10-10 per day Stratum 3 clock: 2 × 10-8 per day
1 Network-accessed clock
Initial maximum frequency offset
Stratum 2 clock: < 5 × 10-10 per day Stratum 3 clock: < 1 × 10-8 per day
Ideal status MRTIE ≤ 1 ms
2 Long-term phase status Hold-over state
MRTIE (ns) ≤ a × s + (1/2) × b × s2 + c “S” standards for time measured in second, and “MRTIE” is measured in nanosecond. Stratum 2 clock: a = 0.5 b = 1.16 × 10-5 c = 1000 Stratum 3 clock: a = 10 b = 2.3 × 10-4 c = 1000
3 Clock work status
The clock work status may be fast pull-in, locked, hold-over and free-run.
These indexes are explained as follows:
l Minimum accuracy: the maximum magnitude of the frequency deviation from the nominal frequency for a specified time period (20 years) in the absence of an external reference clock, namely, in the free-run state.
l Maximum frequency offset: the maximum magnitude of the fractional frequency deviation for a specified time period.
l Pull-in range: the largest frequency bandwidth of the input clock signals that can be locked.
l MRTIE: maximum relative time interval error, referring to the largest peak-to-peak delay deviation of a tested clock from a reference clock within a specified test period.
6.1.4 Voice Quality Specifications
The voice quality specifications are shown in Table 6-6.
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Table 6-6 Voice quality specifications
Item Index
Jitter Buffer 20 - 200ms
Loss Package Compensation <5%, MOS≥3.7
Echo Canceling 32ms, 64ms, 128ms
Codec switch time <60ms
Gateway jitter time <10ms
VoIP voice quality
In a benign network condition, MOS > 4.0, average PSQM < 1.5; In a poor network condition (packet loss ratio = 1%, network jitter = 20 ms, delay = 100 ms), MOS > 3.5, average PSQM < 1.8
6.1.5 Reliability
The specifications of system reliability are shown in Table 6-7.
Table 6-7 Reliability specifications
Item Index
Resource availability in typical configuration
≥ 99.999%
MTBF ≥ 43.59 years
MTTR ≤ 0.8 hours (excluding preparation time)
Down time < 5 minutes yearly
Booting time Single frame: < 5 minutes
Switching time Service board: < 1 second Interface board: <50 ms in the APS mode and < 1 second in other modes
Host software loading time < 10 minutes
6.2 Physical Specifications
The physical specifications include:
l Power Supply and Consumption Specifications l Mechanical Specifications l Safety Specifications
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6.2.1 Power Supply and Consumption Specifications
Table 6-8 lists the typical power supply and consumption settings.
Table 6-8 Power supply and consumption of the service switching module
Item Index
Rated input voltage -48 V -60 V
Input voltage range -36 V – -72 V
Input mode Two or one power input of -48 V or -60 V
Maximum input currents Two power inputs in the hot backup mode: 150 A per input
Power consumption (single frame)
1100 W at most (greatly less than this value when no resource board is available)
6.2.2 Mechanical Specifications
Mechanical specifications of the UMG8900 are described in Table 6-9.
Table 6-9 Mechanical data of the UMG8900
Item Index
Cabinet size Height: 2200 mm, width: 600 mm depth: 800 mm
Size and weight of a frame
532.6 mm (height: 12U) × 482.6 mm(width: 19 inches, including mount angle) × 500 mm(depth: the distance from front surface of rack-mounting ear to back surface of a frame) Empty frame: about 17.5 kg Full configured frame: 80 kg
Cabinet weight Empty cabinet: 125 kg (including air deflect frame, power distribution box and other spare parts rather than service frames) Three-frame full configuration: 370 kg (excluding doors)
Bearing capacity > 600 kg/m2
6.2.3 Safety Specifications
The UMG8900 complies with IEC60950, EN60950, UL60950 and AS/NZS60950.
6.3 Environmental Specifications
Environmental specifications involve Running Conditions, Storage Conditions and Transportation Conditions. The UMG8900 complies with the following environment specifications:
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l ETS 300019 Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment
l IEC 60721 Classification of environmental conditions
6.3.1 Running Conditions
I. Climatic Conditions
Climatic conditions involve temperature, humidity, air pressure and altitude, as shown in Table 6-10.
Table 6-10 Climatic conditions
Item Measurement unit Index
Long-term running °C 0 - +45
Short-term running °C -5 - +55 Temperature
Temperature change degree °C /min < 0.55
Long-term running %RH 5 - 85
Humidity Short-term running %RH 5 - 95
Air pressure kPa
70 – 106 (70 kPa is equal to at a place of altitude 3000 m, excluding in mines)
Altitude m ≤ 4000
Wind speed m/s ≤ 5.0
Sun radiation W/m2 ≤ 700
Heat radiation W/m2 ≤ 600
IP level None IP22
Note: Before measuring temperature or humidity, make sure the device has no protection cards around, and the measure tools are 2 m beyond the floor and 0.4 m from the front rack of the device.
& Note:
Short term refers to the continuous work time of no more than 96 hours at a time or 15 days accumulated in a year.
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II. Biological Conditions
No such microbe as fungi and mildew or no rodent animals such as mouse exist.
III. Air Cleanness
l No explosive, conductive, magnetizable or corrosive dusts exist. l The density of mechanical active substances shall comply with the specifications
of Table 6-11.
Table 6-11 Density of mechanical active substances
Item Unit Index
Suspended dust mg/m³ ≤ 1.5
Deposited dust mg/m²·h ≤ 0.2
Sand granule mg/m³ ≤ 30
Note: Suspended dust: diameter ≤ 75 μm Deposited dust : 75 μm ≤ diameter ≤ 150 μm Sand granule: 150 μm ≤ diameter ≤ 1000 μm
Density of chemical active substances shall comply with the specifications of Table 6-12.
Table 6-12 Density of chemical active substances
Item Unit Index
SO2 mg/m³ ≤ 1.50
H2S mg/m³ ≤ 0.03
HCl mg/m3 ≤ 0.5
NH3 mg/m³ ≤ 0.15
Cl2 mg/m³ ≤ 0.30
O3 mg/m3 ≤ 0.1
HF mg/m3 ≤ 0.03
Nox mg/m3 ≤ 1.0
IV. Mechanical Stress
Mechanical stress must comply with Table 6-13.
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Table 6-13 Mechanical stress
Item Sub-item Range
Frequency 5 - 9 Hz 9 - 200 Hz
Amplitude ≤ 3.5 mm None
Peak acceleration 1 g
Direction Three axial directions, six planes
Sinusoidal oscillation
Times Plus or minus three times in each axial direction, once in each plane
Percussion waveform Semisinusoidal wave
Peak acceleration 5 g
Pulse width 11 ms
Direction Three axial directions, six planes Percussion
Times Plus and minus three times in each axial direction, once in each plane
Note: 1 g equals to 9.8 m/s².
6.3.2 Storage Conditions
The climatic conditions for storing the device include climatic conditions and waterproof conditions.
I. Climatic Conditions
Table 6-14 Climatic conditions
Item Requirement
Altitude ≤ 5000 m
Air pressure 70 kPa - 106 kPa
Temperature –40 °C - +70 °C
Temperature change degree ≤ 1°C /min
Relative humidity 10% - 100%
Sun radiation ≤ 1120 W/s²
Heat radiation ≤ 600 W/s²
Wind speed ≤ 30 m/s
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II. Waterproof Conditions
Generally speaking, the UMG8900 shall be stored indoor where no water gathers on the ground or drops on the packing box. Therefore the device shall be placed away from the fire protection and heating establishments that may leak water.
If it is really necessary to locate it outdoor, the following requirements must be met:
l The packing box is intact. l Some measures are taken to prevent rain from through the packing box. l The packing box is placed where no water is available. l The packing box is placed where no direct sunshine is available.
III. Biological Conditions
No such microbe as fungi and mildew or no rodent animals such as mouse exist.
IV. Air Cleanness
l No explosive, conductive, magnetizable or corrosive dusts exist. l The density of mechanical active substances shall comply with the specifications
of Table 6-15.
Table 6-15 Density of mechanical active substances
Item Unit Index
Suspended dust mg/m³ ≤ 5.00
Deposited dust mg/m²·h ≤ 20.0
Sand granule mg/m³ ≤ 300
Note: Suspended dust: diameter ≤ 75 μm Deposited dust: 75 μm ≤ ammeter ≤ 150 μm Sand granule: 150 μm ≤ ammeter ≤ 1000 μm
The density of chemical active substances shall comply with the specifications of Table 6-16.
Table 6-16 Density of chemical active substances
Item Unit Index
SO2 mg/m³ ≤ 0.30
H2S mg/m³ ≤ 0.10
NO2 mg/m³ ≤ 0.50
NH3 mg/m³ ≤ 1.00
Cl2 mg/m³ ≤ 0.10
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Item Unit Index
HCl mg/m³ ≤ 0.10
HF mg/m³ ≤ 0.01
O3 mg/m³ ≤ 0.05
V. Mechanical Stress
Mechanical stress for storing the device must comply with Table 6-17.
Table 6-17 Mechanical stress
Item Sub-item Range
5 – 10 Hz ASD: 13 m2/s3
10 – 200 Hz ASD: 3 m2/s3 Vertical
200 – 500 Hz ASD: 1 m2/s3
5 – 10 Hz ASD: 10 m2/s3
10 – 200 Hz ASD: 1 m2/s3
Random oscillation (for duration of 30 minutes in each axial direction) Landscape
orientation and longitudinal
200 – 500 Hz ASD: 0.3 m2/s3
Percussion waveform Semisinusoidal wave
Peak acceleration 30 g
Pulse width 6 ms
Direction Three axial directions, six planes
percussion
Times Plus and minus three times in each axial direction, once in each plane
Collision waveform Semisinusoidal wave
Peak acceleration 25 g
Pulse width 11 ms
Direction Six directions
Collision
Times 500 times in each direction
Weight range ≤ 15 kg
Fall height 100 cm
Plane Six planes Free Fall
Times Once in each plane
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Item Sub-item Range
Note: ASD: Acceleration spectrum density
6.3.3 Transportation Conditions
I. Climatic Conditions
The climatic conditions for transporting the device is described in Table 6-18.
Table 6-18 Climatic condition
Item Requirement
Altitude ≤ 5000 m
Air pressure 70 kPa – 106 kPa
Temperature -40°C - +70°C
Temperature change degree ≤ 1°C /min
Relative humidity 5% - 100%
Sun radiation ≤ 1120 W/s²
Heat radiation ≤ 600 W/s²
Wind speed ≤ 20 m/s
II. Waterproof Conditions
During device transport, the following requirements must be met:
l The packing box is intact. l Some measures are taken to prevent rain from into the packing box. l No water exists in the transport vehicle.
III. Biological Conditions
No such microbe as fungi and mildew or no rodent animals such as mouse exist.
IV. Air Cleanness
l No explosive, conductive, magnetizable or corrosive dusts exist. l The density of mechanical active substances shall comply with the specifications
of Table 6-19.
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Table 6-19 Density of mechanical active substances
Item Unit Index
Suspended dust mg/m³ None
Deposited dust mg/m²·h ≤ 3.0
Sand granule mg/m³ ≤ 100
Note: Suspended dust: diameter ≤ 75 μm Deposited dust: 75 μm ≤ diameter ≤ 150 μm Sand granule: 150 μm ≤ diameter ≤ 1000 μm
The density of chemical active substances shall comply with the specifications of Table 6-20.
Table 6-20 Density of chemical active substances
Item Unit Index
SO2 mg/m³ ≤ 0.30
H2S mg/m³ ≤ 0.10
NO2 mg/m³ ≤ 0.50
NH3 mg/m³ ≤ 1.00
Cl2 mg/m³ ≤ 0.10
HCl mg/m³ ≤ 0.10
HF mg/m³ ≤ 0.01
O3 mg/m³ ≤ 0.05
V. Mechanical Stress
The mechanical stress of transportation conditions is the same as the storage conditions.