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T e
l e
c o
m m
T r
g &
R e
s e
a r
c h
R e
g i
o n ZXJ-10 ZXJ-10
SWITCHING SWITCHING SYSTEMSYSTEM
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ZXJ10 Can be Used as:ZXJ10 Can be Used as:
PABX Local Exchange (C5 Office) Tandem Exchange (C4, C3, C2, C1)
Hierarchy of PSTN: Regional Center (C1) Sectional Center (C2) Primary Center (C3) Toll Center (C4) End Office (C5) Subscriber Telephone (or PABX)
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System Features:System Features:
Modularized Structure.
CM: Central Module.
SNM: Switching Network Module.
MDM: Message Distribution Module.
OMM: Operation and Maintenance Module
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Modularized Structure.Modularized Structure.
PSM:PSM: Peripheral Switching ModulePeripheral Switching Module RSM:RSM:Remote Switching Module.Remote Switching Module. CSM:CSM:No.7 Signaling Module.No.7 Signaling Module. PHM:PHM:Packet Switching Module.Packet Switching Module. PMM:PMM: Position Management Module.Position Management Module. VSM:VSM: Voice Services Module.Voice Services Module. INM:INM: Intelligent Services Module.Intelligent Services Module. ISM:ISM: Integrated Digital Services Module.Integrated Digital Services Module. GSM:GSM:Global Mobile Switching.Global Mobile Switching.
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System Features:System Features:
Fully Distributed Control System
Each module has its own MP (Main Processor), and perform different functions. For instance, CM is responsible for internal communications between modules and exchange of voice channels. PSM/RSM performs the basic call processing functions. CSM is responsible for providing signaling links. This distributed control architecture facilitates linear expansion of both capacity and functions. If the customer needs larger capacity, what we need to do is to add PSMs/RSMs. If the customer needs new functions, all we need to do is to add different functional modules, like ISM, INM, GSM, etc.
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System Features:System Features:
High Reliability Since the system has modularized
architecture, in case one module breaks down, it will affect only the subscribers in the module, the whole system will remain intact.
The key components of the modules of ZXJ10, such as NET, CKG, TONE, and MP all work in active/standby or load-sharing mode.
Message path is separated from speech path.
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System Features:System Features:
Unified inter-module interface and unit interfaces. This facilitates the adding of new service modules and new functional units.
Wide range of interfaces to different systems (like crossbar systems, and even step-by-step systems)
Rich functions, such as ISDN, CENTREX, CID, IN, etc.
User-friendly Man-Machine Interface
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System Features:System Features: A Broad A Broad RangeRange of Interfaces of Interfaces
ZXJ10ZXJ10
Digital Trunk
SF2600 Trunk
SF2400 Trunk
AB Trunk
E/M Trunk
LS/GS Trunk
Magneto Trunk
Z
U (BRI)
PRI
G.703
V5.1/V5.2
A
NT1
ANONU
User Side Network Side
BSC
ISPBX
PBX
ABC Trunk
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System ArchitectureSystem Architecture
INM
2Mb/s,8Mb/s,34Mb/s
RSM
RSM
RSU
CM
PHM
CSM
Built-in optical terminal
PSM
PSM
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ZXJ-10 System StructureZXJ-10 System Structure
The Constitution of the SystemThe Constitution of the System
SNM
MDM •The system can have a maximum of 50 peripheral switching modules.
RSM
RIM
STM
OMMCSM
PSM
PSM
• The system can have a maximum of 64 peripheral modules
Synchronization Timing Module
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ZXJ-10 System StructureZXJ-10 System Structure
Configuration Mode-----PSM Forms an Independent Exchange.
PSM
End Office
2Mb/s
No.7To Superior Office
PSM
Tandem
Office
2Mb/s
No.7To Superior Office
2Mb/s
End Office
Other Switch
The Maximum System Capacity is 3584
Subscriber Lines and 480 Trunks
A Pure Tandem Capacity
Can Reach 960
Digital Trunks
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System StructureSystem Structure
#N
#1#0
MP
SNM
MP
MP
MP
MP
MDM
PHM
CSM
MP
PSM
PSMMP
RIM
OMM
MP
STB
STB
PLC
2B+D subscriber
Telephone
Telephone
Subscriber loop
Common telephone subscriber
Operator
30B+D subscriber
PLC
X.25PSPDN
X.75PSPDN
MP
RSM
Optical fiber
LAN LAN
Billing O&M Station Remote Maintenance Station &
Preprocessor Network Management
Hard disk
MP
PSM
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ZXJ-10 System StructureZXJ-10 System Structure
Configuration Mode-----The Multi-Module forms an Exchange.
PSM
Other Office
Central Module PSM
RIM
RSM
Optical FiberCSM
The Maximum System Capacity is 170,000
Subscriber lines and 24,000 Trunks.
No.7
2Mb/S
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Constitution:Constitution: There can be a maximum of 48 There can be a maximum of 48 function units,unit number is function units,unit number is
from from 1 to 48. 1 to 48.
The distribution of the peripheral switching module units is:The distribution of the peripheral switching module units is:
Unit No. (N)Unit No. (N) Unit NameUnit Name
1-281-28 SLC UnitSLC Unit
29-3629-36 Digital Trunk Unit (DT)Digital Trunk Unit (DT)
37-3837-38 MFC UnitMFC Unit
39-4239-42 DTMF UnitDTMF Unit
43-4443-44 Signal Tone Unit (TONE)Signal Tone Unit (TONE)
45-4645-46 Switching Net Work unit (TNET)Switching Net Work unit (TNET)
4747 Testing Unit (TEST)Testing Unit (TEST)
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Function unit:Function unit:
The function unit is the basic function structure of a The function unit is the basic function structure of a
ZXJ10 module. All the functions performed by a ZXJ10 module. All the functions performed by a
switching system are distributed in the various function switching system are distributed in the various function
units. units.
Each function unit has One Peripheral Processor (PP) Each function unit has One Peripheral Processor (PP) for control and management of circuits in the unitfor control and management of circuits in the unit..
Note:Only PSM and Central Module Have Function Unit.
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
MT8980
8031
PP
Internal Circuits
to T-Net
To MPPP
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Peripheral Switching Module (PSM) Peripheral Switching Module (PSM)
Description of the Various UnitsDescription of the Various Units
Subscribers Units (SLU)
PPSLC#0
SLC#1
SLC#2
SLC#3
SLC#4
SLC#5
SLC#6
SLC#7
SLU
0 1 2 15
8*16=128
Analog subscriber interface
A PSM : Max 28*128=3584 Analog Subscribe Interfaces
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the Various UnitsDescription of the Various Units
Digital trunk units (DTU): The digital trunk unit is the interface unit between the digital switching system.
PCM 2Mb/s
The DTU only has one board:DT,the PP is fixed on this board
DT
PCM0
PCM1 Provide 64 Trunks Interfaces
AA DTDT BBDTDT
A PSM:8*60=480
Trunk Circuits
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the various unitsDescription of the various units
Multi-frequency compelled unit (MFC)
PP MFC MFCMFC
Unit
16 Sets of Transceivers
The MFC unit handles the receiving and sending of
inter-exchange MFC register signals.
A PSM :2*32=64 Sets
2*16=32
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the Various UnitsDescription of the Various Units
Dual Tone Multi-Frequency Receiver Unit (DTMF)
PP DTMF DTMFDTMF
Unit
16 Sets of Transceivers
The DTMF unit is used for receiving the dialed numbers by a DTMF
subscriber phone and detecting the sending of the DTMF signals.
A PSM :4*32=128 sets
2*16=32
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the various unitsDescription of the various units
Signal tone unit (TONE)
ActiveTONE
StandbyTONE
One unit has one tone board,PP is fixed on the board
The signal tone unit can provide various tones for the call
services of switching system.
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TONE
Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the various unitsDescription of the various units
Digital signaling processing unit (DSPU)
By merely changing the software, DSPU board can act as
the DTMF unit, MFC unit, and the TONE unit.
DSPU
PP MFC MFC
PP DTMF DTMF
Replace
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the Various UnitsDescription of the Various Units
Testing Unit (TEST)
PP TSLC TSLCTesting Unit
1~4 TSLC
It can perform testing the subscriber circuits ,the subscriber
phones set and subscriber external lines.
TSLC TSLC
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Description of the Various UnitsDescription of the Various Units
Digital Time Division Switching Unit (TNET)Digital Time Division Switching Unit (TNET)
NET0 NET1
One TNET unit has one NET board,the PP is fixed on this board
Work Mode
Load Sharing
In the PSM there are two TNET units
TNET can handle time slot switching of the subscriber voice channel.
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LAN
Active StandbyA Module
Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Processor BoardProcessor Board
Module Main Processor (MP)
MP is the main processor for the various ZXJ10 modules,. In the whole module, MP is at the top of the control level. The MP mainly fulfill call processing and system management functions..Each module has two MPs,
MPMPMPMP
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PSM Cabinet LayoutPSM Cabinet Layout
Subscriber
Cabinet
#1
Control
Cabinet
#0
Control
Cabinet
#0
Control
Cabinet
#0
Subscriber
Cabinet
#1
Subscriber
Cabinet
#2
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PSM Control Cabinet Layout(Front PSM Control Cabinet Layout(Front View)View)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
Power A
Power A
Power B
Power B
Power A
Power A
NETD
NETD
NET
CKG
CKG
NET
MP
PP
MP
PP
MP
PP
MP
PP
MP
MP
MP
MP
S
T
B
DSPU2
DSPU2
DSPU1
DSPU1
DSPU1
DSPU1
DSPU1
DSPU1
TSLC
TSLC
TSLC
TSLC
P
P
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T MP 0
MP 1
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PSM Subscriber Cabinet Layout (Front View)PSM Subscriber Cabinet Layout (Front View)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
Power A
Power A
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
Power A
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
Power A
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
Power A
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
Power A
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
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CM Cabinet Layout (without CSM)CM Cabinet Layout (without CSM)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Power D
Power D
S
Y
C
D
R
V
S
Y
Z
0
Power B
Power B
Power B
NETD19
NETD18
NETD17
NETD16
NETD15
NETD14
NETD13
NETD12
NETD11
NETD10
NETD9
NETD8
NETD7
NETD6
NETD5
NETD4
NETD3
NETD2
NETD1
NETD0
SNET1
SNET3
SNET4
SNET5
SNET6
SNET0
SNET2
CKG0
CKG1
MNET0
MNET1
S
Y
Z
1
D
R
V
MP
MP
MP
MP
MP
MP
MP
MP
MP
PP
MP
PP
MP1
MP0
CKG0
CKG1
D
T
0
MPMP0
D
T
1
D
T
2
D
T
3
D
T
4
D
T
5
D
T
6
D
T
7
MPMP1
MPMP2
MPMP3
MPMP4
MPMP5
MPMP6
MPMP7
CKG0
CKG1
D
T
0
MPMP0
D
T
1
MPMP1
D
T
2
MPMP2
D
T
3
MPMP3
D
T
4
MPMP4
D
T
5
MPMP5
D
T
6
MPMP6
D
T
7
MPMP7
MDRV
MSNM
MCTL
MCTL
MRIM
MRIM
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CM Cabinet Layout (With CSM)CM Cabinet Layout (With CSM)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Power D
Power D
S
Y
C
D
R
V
S
Y
Z
0
Power B
Power B
Power B
NETD19
NETD18
NETD17
NETD16
NETD15
NETD14
NETD13
NETD12
NETD11
NETD10
NETD9
NETD8
NETD7
NETD6
NETD5
NETD4
NETD3
NETD2
NETD1
NETD0
SNET1
SNET3
SNET4
SNET5
SNET6
SNET0
SNET2
CKG0
CKG1
MNET0
MNET1
S
Y
Z
1
D
R
V
MP
MP
MP
MP
MP
MP
MP
MP
MP
PP
MP
PP
MP1
MP0
MDRV
MSNM
MCTL
MCTL
MCCS
MCCS
CSMT
CSMT
CSMT
CSMT
CSM1 MP
CSM0 MP
MP
MP
MP
MP
MP
MP
MP
MP
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
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MDM
PM(MP)#1
PM(MP)#64
PM(MP)#32
PM(MP)#332*2M
2*2M2*2M
2*2M
High Message Transmission Rate High Message Transmission Rate Between Each PSMBetween Each PSM
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The Voice Channel and the Control Message Channel are Separated..
MDMMDM
Note:•The interconnection network consist of SNM and MDM.•The voices of inter-module switch by the SNM, and the messages between MPs in different modules are connected by MDM.
SNM
MDM
PSM
MP
PSM
MP
PSM
MP
PSM
MP
Interconnection Module
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SYZ (Synchronization Generator):SYZ (Synchronization Generator):
SYZ. Synchronization Generator)
• To generate synchronous clock and synchronize central module and peripheral modules, and provide BITS interface.
SYC (Synchronization Control)
• To control synchronization mode of SYZ.
CKG (Clock Generator)
• To generate working clock for various functional units
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Standby
Active
Working
Working
Active
Standby
Working Mode:
Active/Standby
MP/TONE /CKG
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Other BoardOther Board
Clock Driving Board (CKG):
To Provide the Synchronization Working Clocks for the Module.
CKGCKG CKGCKG
Active Standby
There are two CKG Boards in one PSM
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ZXJ10 Synchronization Mode:ZXJ10 Synchronization Mode:
Within the system, master/slave synchronization is adopted. Peripheral modules receive the clock signal (8kHz/4MHz) from the central module and are synchronized with the central module. While the central module receives clock reference from higher office clock signal through the 8 clock input ports.
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BITS (Building Integrated Timing System)BITS (Building Integrated Timing System)
BITS provides clock reference for all
equipment in the telecom network which
needs synchronizing. Generally, it is
equipped with cesium-beam atomic clock
(oscillator). BITS is one of three
supporting telecom networks, viz.,
CCS#7 network, TMN, and Digital
Synchronization Network.
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Processor BoardProcessor Board
Communication Processor (MPPP, MPMP)
---Intra -Module Communication Processor Board (MPPP)
The intra-module communication between each unit and
MP is uniformly handled by the intra-module
communication board MPPP, so it form the 2-level control
system. MP
MPPP
PP PP PP
In the PSM :4 MPPP Boards
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Processor BoardProcessor Board
Communication processor (MPPP, MPMP)
---Inter -Module Communication Processor Board(MPMP)In a multi-module system, the inter-module communication processor
(MPMP) transfer message between MP and MDM and ensure
errorless message transmission .
MP MPMP MPMP MP MDM
MPMP
PSM PSM
Central Module
In a PSM:2 MPMP Boards
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
Other BoardOther Board
No.7 Signaling Terminal (STB)
STB
The STB board performs the L2 (the link control layer) functions of the No.7 signaling.
Each STB can provide two 64Kb/s No.7 signaling links.
STBSTB STB
PSM acts as a single module PSM in multi-module system
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Peripheral Switching Module (PSM)Peripheral Switching Module (PSM)
SummarySummary
MPPP MPPPMPPP MPPP
MPMP MPMP
To MDM
MP0 MP1LAN
BUS
STB
SS7 link
CKG
STB
To SNM
NETD NETD
Control PCM
TEST SLU DTMF MFC TONE
T-Net
To RSM for SNM/MDM
TONE
47 1-28 29-36 39-42 37-3843-44 45- 46
DTVoice
Channel PCM
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STRUCTURE OF PSMSTRUCTURE OF PSM
0
127
DT
SLU
TSLC
TAT
T Net2K×2K
MP MP - MP
SLC
PP
LC
CKG
TONE
DTMF
MFC
3 Party Conference Telephone
SYZ
V5No.7
To SNM
To MDM
SLU
SLU
SYC
0
127
0
127
35
84
L
48
0D
T
8K
0…….7
0
27
2:1
8K 4M
Synchronous and Timing Module
MP
HW0
HW29
DLCNT1 UPC
S
Higher Level ReferenceClock
BITS
DSPU
MP-PP MP-PP MP-PP MP-PP
RAM RAM RAM RAM RAM RAM RAM RAM Processing Unit
CPUTEST
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Composition of the Central ModuleComposition of the Central Module
MPPPMPMP MPMP STM
Central ModuleMPLAN
MP
RIMMPMP DT
Remote PSM
SNM
Nearby PSMSemi-Permanent
Connection
Nearby PSM
MDM
Synchronization Timing Module
Switching Network Module
The Central ModuleThe Central Module
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The Central ModuleThe Central Module
•The Switching Network Module (SNM)
SNM handles the voice channel switching between PSMs.
has a multi-plane structure, usually consisting of 7 SNET
planes, Each plane is a network board(NET Board).
Composition of the Central ModuleComposition of the Central Module
SNM
654321 NET 0
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•The Message Distribution Module (MDM)
MDM is the communication network connecting all
module main processors (MP). MDN (Message
Distribution Network ) consists of two NET boards.
The Central ModuleThe Central Module
Composition of the Central ModuleComposition of the Central Module
MDM1
NET
0
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STMSTM
The Central ModuleThe Central Module
Composition of the Central ModuleComposition of the Central Module
The Synchronization Timing Module (STM)
After retrieving the reference clock from the superior
exchange ,it provides synchronization timing signals for PSMs,
SNM, and MDM or the others. STM consists of one SYC and
two SYZs.
SYC SYZSYZ
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The Central ModuleThe Central Module
Composition of the Central ModuleComposition of the Central Module
The Remote Interface Module (RIM)
RIM consists of the two MP MPs and two DTRIM
boards. Each RIM has 4 PCMs system to RSM.
MPMP
MPMP
DTRIM
DTRIM
RIM
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The Central ModuleThe Central Module
Composition of the Central ModuleComposition of the Central Module
The Operation and Maintenance Module (OMM)
OMM performs the multi-module operation and maintenance
functions: billing, data maintenance, traffic statistics, and
testing. It consists of one pair of active/standby MPs.
LAN
MPLAN(NE2000)
MP
Billing Operation and Maintenance(OAM
)
Testing OAM
Foreground plate form
Background Plate Form
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ZXJ-10 ZXJ-10
Switching NetworkSwitching Network
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
Constitution:Constitution:
1.1. The System switching network includes the The System switching network includes the interconnection network module(SNM+MDM) and interconnection network module(SNM+MDM) and the network in the peripheral switching module.the network in the peripheral switching module.
2.2. The system switching network structure is T-T-T.The system switching network structure is T-T-T.
3.3. The ZXJ10 switching network is a time-division The ZXJ10 switching network is a time-division switching network.switching network.
SNMSNM
MDMMDM
MPMP MPMP
TT TTVoiceVoice
Message Message
Central Module
PSMPSM
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Digital Switching Network Units(DSU)Digital Switching Network Units(DSU)
SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
T NetworkUnit
……
…...
……
…...
012
31
63
62
61
32
• 64 Bi-Directional HW at 2Mb/s
• 64 *32=2048 TIME SLOTS
S- NetworkM- NetworkT- Network
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The Switching Network of the The Switching Network of the Peripheral Switching ModulePeripheral Switching Module
Function: It is used to handle the intra-Function: It is used to handle the intra-
module voice channel switching connection, module voice channel switching connection,
and coordinate with SNM to handle the and coordinate with SNM to handle the inter-inter-
module voice channel switching module voice channel switching connection.connection.
SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The switching network of the The switching network of the peripheral switching moduleperipheral switching module
Constitute
Inside the module, there are two T- Networks (2K×2K T- Networks)
T NETWORK
T NETWORK
#0
#1
PSM
Voice#0
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The Switching Network of the The Switching Network of the Peripheral Switching ModulePeripheral Switching Module
Working Mode: These Two T- Networks Work in the Load-Sharing ModeThese Two T- Networks Work in the Load-Sharing Mode
SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
T NETWORK
T NETWORK
Load-Sharing Mode
PSM
voice
voice voice
#0
#1
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Distribution of PSM HWsDistribution of PSM HWsDistribution of PSM HWsDistribution of PSM HWs
HW No. Distribution
0 – 13
For voice channels between PSM and SNM(TNET—SNET)
14
For CCS # 7 links within PSM (TNET—STB)
15
Left for future use
16 - 62
For functional units within PSM (TNET--PP)
63
TNET Self-Loop (TNET--TNET)
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Distribution of PSM HWsDistribution of PSM HWsDistribution of PSM HWsDistribution of PSM HWs
HW No. Distribution
16-43 For SLU (1-28)
44-51 For DT (29-36)
52-53 MFC (37-38)
54-57 DTMF (39-42)
58-59 TONE (43-44)
60 TONE Self-Loop
61 Telephone Conference (CONF)
62 TEST (47)
63 TNET Self-Loop
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Switching Network of the Peripheral The Switching Network of the Peripheral Switching ModuleSwitching Module
Distribution of HWs in PSM T-Network (Serial No. Of HWs starts from 0)
HW No. Distribution
0-13 Used for connection with voice channels in the central module
14 Used for the No.7 (common channel signaling)
15 Not used yet
16 - 62 Used for various units in intra-module
63 For T Network self-looping
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Switching Network of the Peripheral The Switching Network of the Peripheral Switching ModuleSwitching Module
Distribution of HWs in PSM T Network (Serial No. of HWs starts from 0)
Self-Detecting of the TONE Unit
HW16-43
HW44-51
HW52-53
HW54-57
HW58-59
HW60
HW61
HW62
28 SLU
8 DLU
2 MFC Unit
4 DTMF Units
2 TONE Units
Conference Call
TEST Unit
14
1516
6263
No.7 link
Not used
T- Network Self-Looping
T-NET
0
1
PSM
CENTRAL
MODULE
47 Function Units
13
0
2
SNM
1
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Central Switching Network The Central Switching Network Module (SNM)Module (SNM)
Function:
SNM perform the connection of inter- module voice
channels.
SNMSNM
MDMMDM
MPMP MPMP
TT TT
VoiceVoice
Message Message
Central Module
PSMPSM
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Central Switching Network The Central Switching Network Module(SNM)Module(SNM)
Constitution:
SNM consists of 7 SNET planes.(in new
central rack)
Working Mode:
These 7 S-Network work in load-sharing
mode.
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
Distribution of HWs connection between the S-Network and T-Network(Nearby-Module)
S
4
S
5
S
6
T
0
T
1
S
0
S
1
S
2
S
3
5958
5756
5958
57
56
59
58
56
0809
10
11
12
13
08
09
10
11
1213
57
0001
0304
05
06
07
02
00
01
03
040506
07
02
5958
57
56
595857
56
5958
5756
59
58
57
56
Each S-Net has 60 HWs for PSMs.
60/4=15 PSMs(HW60-HW63)for CSM’s
It’s used for Nearby- Module
The Central Switching Network The Central Switching Network Module(SNM)Module(SNM)
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Central Switching Network The Central Switching Network Module(SNM)Module(SNM)
How is the voice channel of the nearby module connected to the SNM in the central module actually?
NETD Board Function: NETD board is used to drive the voice channels and communication HW between the
central module and a nearby module so that the nearby control rack can be away from the
central rack for a distance over 3m.
2 T-Network
PSM
28 HWs2 NETD 2 NETD 7 S-Network
CABLE Central Module
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Central Switching Network The Central Switching Network Module(SNM)Module(SNM)
How is the voice channel of the remote switching module connected to
the SNM of Central Module?0
0
0
0
DT#7
THW50TNET#0
SNET#0
SNET#1
SNET#2
SNET#3
DT
RIM
DT
RIM
THW51
THW51
TNET#0
TNET#1
THW50
2M
2M
2M
2M
RSM Central Module
RSM shall be connected by
means of optical interfaces or
the 2M ports.between RIM and
RSM ,there have 120 voice
channels
DT#8
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Central Switching Network The Central Switching Network Module(SNM)Module(SNM)
SHW0 SHW59 SHW60 SHW63
RIM0 PSM0 CSM
Remote Module :SHW0 -- SHW25 (Send Highway)
each RSM seize 1SHW.
Nearby Module :SHW59--SHW0. Each Nearby
Module seize 4 SHWs.
CSM:SHW60--HW63
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Message Distribution Module (MDM)The Message Distribution Module (MDM)Function:
MDM is the communication network connecting all module main processors (MP). MDN consists of two NET boards . With more than 32 modules, the channels of inter-module communication can be one 64Kb/s channel. With less than 32 modules, the channels of Inter-Module communication can be two 64Kb/s channels.
MP
MP
MPMP
MPMP
MNET0
MNET1
1 HW
1 HW
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Message Distribution Module(MDM)The Message Distribution Module(MDM)
MDM Uses the Semi-Permanent Connection:
The MP of the various modules are connected
with the fixed 64Kb/s,that channel is used for
communication.the connection relationship of the MDM
network time slots and HWs is set up at the
initialization of the system and shall normally not be
changed.
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MDN
MDN
MP
MP
MPMP
MPMP
NETD
NETD
2Mb/s Signal
2Mb/sSignal
DRAM
Central Module
SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Message Distribution Module(MDM)The Message Distribution Module(MDM)
MP
MP
MPMP
MPMP
NETD
NETD
DRAM
Peripheral Switching
Module(Nearby))
MPMP
MPMP
2Mb/s signal
MP
MP
DTRIM
DTRIM
DTRLM
DTRLM
Remote Switching Module
Optical Fiber M
PMP
MPMP
Ts16Transmitting
Message
16TsTransmitting
Message Compress/Extract
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Message Distribution Module (MDM)The Message Distribution Module (MDM)
Each MPMP can handle 1 HW 32 channels
MDN0
012
25
26
2728
31
MDN1
012
25
262728
31
RSM0--RSM25
PSM0-PSM15
MPMP
CSM0--CSM3
MPMP
CSM0--CSM3
RSM0--RSM25
PSM0-PSM15
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Message Distribution Module(MDM)The Message Distribution Module(MDM)
MP MPMP NETD0 NETD0
MDM0 MPMPMP
MP MPMP NETD1 NETD1
MPMP
MPMP
MPMP
MP
MDM1
DRAM
DRAM
1 HW
1 HW
1HW
1HW
1HW 1 HW
1HW
1HW
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SYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORKSYSTEM SWITCHING NETWORK
The Message Distribution Module(MDM)The Message Distribution Module(MDM)
MP MPMP DT7 DTRIM
MDM0 MPMPMP
MPMPMP DT8 DTRIM
MPMP
MPMP
MPMP
MP
MDM1
DRAM
DRAM
T16S
1 HW
1HW
TS16
1HW
1HWMPMP
MPMP
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Network Synchronization
System
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International
Office
TS TSLS
LS LS TMS
End OfficeRSM
Other Country International Office
Master/Slave
Synchronization
BITS (Building Integrated
Timing Supply)
Synchronization ModeSynchronization ModeSynchronization ModeSynchronization Mode
Master/Slave
Synchronization
International
Office
Plesiochronous
Plesiochronous
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Composition of the Network Composition of the Network Synchronization SystemSynchronization System
Composition of the Network Composition of the Network Synchronization SystemSynchronization System
SYZ:
The synchronization oscillating board (SYZ) is used for
the generation and synchronization of the clock.
SYC:
The synchronization control board (SYC) is used to
control the SYZ clock synchronization mode .
CKG :
Provides various working clocks for the module.
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Synchronization ModeSynchronization ModeSynchronization ModeSynchronization Mode
The Clock System For The Single Module Exchange
CKG
PSM
C K G4MHZ/
8KHZ
Working Clock of Home Module
Clock Driver and Generator
C K G
Generate the working clock and driving
4 - Clock Reference at 2MHz From
Synchronization Clock Network
4 - Clock Reference at 8KHz From DT of
PSM
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Synchronization ModeSynchronization ModeSynchronization ModeSynchronization Mode
The Clock System For The Multi- Module System
CKG
CKG
CKG
CKG
SYZ
SYZ
4-Clock Reference at 8KHz From DT of PSM
4-Clock reference at 2MHz from Synchronization Clock Network
SYC
SYC
4MHz/8KHz
Central Module
CKG
CKG
DTRIM
DTRIM
Peripheral Switching
Module(Nearby)
DTRLM
DTRLM
Remote Switching Module
Working Clock of The Home Module
8KHzOptical Fiber
Clock Driver
Clock Synchronization
Working Clock of The Home Module
Clock Driving
Clock DrivingGenerate working Clock and Driving
Working Clock of The Home Module
4MHz/8KHz
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System Concrete Configuration
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The Single ModuleThe Single ModuleThe Single ModuleThe Single Module
Single Module PSM1
Cabinet
Control
Cabinet #0
Control
Cabinet #0
Subscriber
Cabinet #1
Subscriber
Cabinet #2
Single Module PSM 3
Cabinets
Subscriber
Cabinet #1
Control
Cabinet #0
Single Module PSM 2
Cabinets
The Single Module Cabinet illustration DiagramThe Single Module Cabinet illustration Diagram
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The Single ModuleThe Single ModuleThe Single ModuleThe Single Module
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
Power A
Power A
Power B
Power B
Power A
Power A
NETD
NETD
NET
CKG
CKG
NET
MP
PP
MP
PP
MP
PP
MP
PP
MP
MP
MP
MP
S
T
B
DSPU2
DSPU2
DSPU1
DSPU1
DSPU1
DSPU1
DSPU1
DSPU1
TSLC
TSLC
TSLC
TSLC
P
P
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T MP 0
MP 1
PSM Control Cabinet Layout (Front View)
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The Single ModuleThe Single ModuleThe Single ModuleThe Single Module
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Power
A
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
P
P
P
P
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
Power
A
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
P
P
P
P
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
Power
A
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
P
P
P
P
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
Power
A
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
P
P
P
P
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
Power
A
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
P
P
P
P
S
L
C
1
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
Power
A
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
P
P
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
PSM Subscriber Cabinet Layout (Front View)PSM Subscriber Cabinet Layout (Front View)
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CM Cabinet Layout (Without CSM)CM Cabinet Layout (Without CSM)CM Cabinet Layout (Without CSM)CM Cabinet Layout (Without CSM)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Power D
Power D
S
Y
C
D
R
V
S
Y
Z
0
Power B
Power B
Power B
NETD19
NETD18
NETD17
NETD16
NETD15
NETD14
NETD13
NETD12
NETD11
NETD10
NETD9
NETD8
NETD7
NETD6
NETD5
NETD4
NETD3
NETD2
NETD1
NETD0
SNET1
SNET3
SNET4
SNET5
SNET6
SNET0
SNET2
CKG0
CKG1
MNET0
MNET1
S
Y
Z
1
D
R
V
MP
MP
MP
MP
MP
MP
MP
MP
MP
PP
MP
PP
MP1
MP0
CKG0
CKG1
D
T
0
MPMP0
D
T
1
D
T
2
D
T
3
D
T
4
D
T
5
D
T
6
D
T
7
MPMP1
MPMP2
MPMP3
MPMP4
MPMP5
MPMP6
MPMP7
CKG0
CKG1
D
T
0
MPMP0
D
T
1
MPMP1
D
T
2
MPMP2
D
T
3
MPMP3
D
T
4
MPMP4
D
T
5
MPMP5
D
T
6
MPMP6
D
T
7
MPMP7
MDRV
MSNM
MCTL
MCTL
MRIM
MRIM
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Power D
Power D
CM Cabinet Layout (with CSM)CM Cabinet Layout (with CSM)CM Cabinet Layout (with CSM)CM Cabinet Layout (with CSM)
S
Y
C
D
R
V
S
Y
Z
0
Power B
Power B
Power B
NETD19
NETD18
NETD17
NETD16
NETD15
NETD14
NETD13
NETD12
NETD11
NETD10
NETD9
NETD8
NETD7
NETD6
NETD5
NETD4
NETD3
NETD2
NETD1
NETD0
SNET1
SNET3
SNET4
SNET5
SNET6
SNET0
SNET2
CKG0
CKG1
MNET0
MNET1
S
Y
Z
1
D
R
V
MP
MP
MP
MP
MP
MP
MP
MP
MP
PP
MP
PP
MP1
MP0
MDRV
MSNM
MCTL
MCTL
MCCS
MCCS
CSMT
CSMT
CSMT
CSMT
CSM1 MP
CSM0 MP
MP
MP
MP
MP
MP
MP
MP
MP
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
S
T
B
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The Multi- ModuleThe Multi- ModuleThe Multi- ModuleThe Multi- Module
The Multi- Module Cabinet illustration DiagramThe Multi- Module Cabinet illustration Diagram
Optical Fiber
Cable
Central Rack :Central Module
CSM Module
PSM is the Same as
The Single Module in
Configuration, Except
NETD / MPMP is
Added.
Central Rack
#0 #1 #2
#4#3 #5
PSM1
#6 #7
RSM0
#9 #10
RSM1
#12 #13 #14
PSM1
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Important Concept:Important Concept:Important Concept:Important Concept:
---The Physical Address of A Device(SPN)---The Physical Address of A Device(SPN)
Format: It can describe the concrete position of a circuit in switch rack number_shelf number_board number_circuit serial number
Single module:control rack:#0,subscriber rack #1,subscriber rack#2Rack Number:
Multi -Module:
Central rack:#0,#1,#2
PSM/RSM:#3~#5
PSM/RSM:#6~#8
Shelf Number: #0~#5
Board Number: #1~#23
Circuit Serial Number: # 0~15
Example:
multi-module:
SPN:3_1_10_0 what’s the
meaning of it?
Example:
single module:
SPN:0_5_5_4
what’s the
meaning of it?
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SUMMARYSUMMARYSUMMARYSUMMARY
The main features of the system is The main features of the system is
modularized system structure , fully modularized system structure , fully
distributed control mode ,and the voice distributed control mode ,and the voice
channel and the message channel are channel and the message channel are
separated . separated .
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SUMMARYSUMMARYSUMMARYSUMMARY
The Voice Channel and the Message Channel Between Nearby Switching Modules
MDM 2 T-Network
PSM
28 HWs2 NETD 2 NETD 7 S-Network
CABLE Central Module
2 MPMP 2 HWs
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SUMMARYSUMMARYSUMMARYSUMMARY
T-Network DT RLM DTRIM SNM
RSM Optical Transmission Central Module
MPMP
The Voice Channel and the Message Channel Between Remote Switching Modules
MPMP MDM
120 TS for Voice
The TS16 of the First PCM of DT RLM is Used to Send the Inter-Module Message
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SUMMARYSUMMARYSUMMARYSUMMARY
The System Clock in Single ModuleThe System Clock in Single Module
The network synchronization clock comes from the superior clock The network synchronization clock comes from the superior clock
source, and generates the working clock and then, the CKG drive the source, and generates the working clock and then, the CKG drive the
clock, to provide the system working clock for the various units. clock, to provide the system working clock for the various units.
So ,we can say ,in this case ,the CKG have two functions: one So ,we can say ,in this case ,the CKG have two functions: one
is generate the working clock, another is drivingis generate the working clock, another is driving..
The Clock System for the Multi-Module SystemThe Clock System for the Multi-Module System
The central module SYZ gets synchronized with the superior clock to
generate working clock. Next the CKG of each PSM respectively
synchronizes or drives them. For nearby modules and the central
module, CKG acts merely as the clock driving board. But the CKG
of the remote module has the same functions of that of the single
module.
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SUMMARYSUMMARYSUMMARYSUMMARY
S
Y
C
S
Y
Z
S
Y
Z
D
R
V
D
R
V
MPMP
D
T
C
K
G
C
K
G
D
T
C
K
G
C
K
G
D
T
C
K
G
C
K
G
Central ModuleNearby Remote
To Superior Office
Clock of Central Rack
Clock of Central Rack
Reference Clock
Reference Clock
Reference Clock
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Physical Address and Logical AddressPhysical Address and Logical Address
Physical Address:Physical Address:
Rack No._Shelf No._Board No._Circuit Serial No.Rack No._Shelf No._Board No._Circuit Serial No.
Logical Address:Logical Address:
Module No._Sub-Node No._Intra-Node Serial No.Module No._Sub-Node No._Intra-Node Serial No.
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RSM CM PSM
Background Network DiagramBackground Network DiagramBackground Network DiagramBackground Network Diagram
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The Operator Hierarchy Management Interface
Operation IntroductionOperation IntroductionOperation IntroductionOperation Introduction
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The Login Interface Introduction
Operation IntroductionOperation IntroductionOperation IntroductionOperation Introduction
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Man-Machine Interface Man-Machine Interface Man-Machine Interface Man-Machine Interface
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Supervision Diagram 1 the Module MonitorSupervision Diagram 1 the Module MonitorSupervision Diagram 1 the Module MonitorSupervision Diagram 1 the Module Monitor
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The Supervision Diagram 2 The Module Rack StatusThe Supervision Diagram 2 The Module Rack StatusThe Supervision Diagram 2 The Module Rack StatusThe Supervision Diagram 2 The Module Rack Status
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Commands StructureCommands StructureCommands StructureCommands Structure
Copying Call Tickets
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Commands StructureCommands StructureCommands StructureCommands Structure
Creating No.7 Signaling Link
The SLK Serial No. is 0
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Commands StructureCommands StructureCommands StructureCommands Structure
Creating No.7 Signaling Link
The SLK Serial No. is 0
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Commands StructureCommands StructureCommands StructureCommands Structure
Creating Route
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Commands StructureCommands StructureCommands StructureCommands Structure
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Commands StructureCommands StructureCommands StructureCommands Structure
Creating Trunk Group Circuit
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Commands StructureCommands StructureCommands StructureCommands Structure
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GOOD - BYEGOOD - BYE