OSN 2500 Hardware Description ISSUE 1 30

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Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

OptiX OSN 2500 Hardware Description

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Page2

Contents

1. Product Introduction

2. Cabinet, Sub-rack

3. Boards

4. Common Network Elements and Configuration

5. Features


Product Introduction

Full name: OptiX OSN 2500 intelligent optical switching

system

Forms part of the OptiX OSN NG-SDH Series

Optical convergence or access switching system

OSN: Optical Switch Node

What is OSN What is OSN

25002500？？


Network ApplicationLong-Haul Back Bone

iManager T2000

OptiX BWS 1600G

OSN 3500/7500/9500OSN 3500 /7500/9500

OSN /1500

OSN 7500/9500

160 10G4010G

10G/2.5G

OptiX BWS 1600G

OSN 1500/3500

Core

Convergence

OSN 1500/MetroOSN

/MetroAccessOSN /Metro

10G/2.5G

10G

2500

2500

2500

OSN /15002500


System Architecture

SCC Unit

Timing Unit

Cross-connect Unit

High-order matrix

(VC-4)

Low-order matrix

(VC-12/VC-3)

LU

LU

TU

LU

LU

TU

Auxiliary Unit Management

interface

Auxiliary interface

External synchronization

interface

TU TU

Ethernet

PDH SAN/Video

ATM

STM-16

λ

STM-1

STM-4


Large Capacity and Multi-services Access

STM-1/4/16VC-4-4c/ 8c/16c

West

SDH unit

Cross-connect matrix higher-order (20G) lower-order (5G/20G)

Ethernet Interface

unit

East

FE/GE

Large cross-Large cross-connect capacityconnect capacity

Multi-granularity Multi-granularity cross-connect cross-connect

capacity capacity PDH

Interface unit

E1/T1/E3/T3/E4

Other Interface

unit

ATM

STM-1/4/16VC-4-4c/ 8c/16c

SDH unit

Large and multi-services access

capacity


Contents



3. Boards


5. Features


Cabinet

W

H

D

ETSI 300/600 Cabinet

(mm)

Weigh

t (kg)

Max. number of

mounted sub-

racks

600 (W) x 300 (D) x

2000 (H)55 2

600 (W) x 600 (D) x

2000 (H)79 2

600 (W) x 300 (D) x

2200 (H)60 3

600 (W) x 600 (D) x

2200 (H)84 3

600 (W) x 300 (D) x

2600 (H)70 4

600 (W) x 600 (D) x

2600 (H)94 4


Indicators and Power Consumption Cabinet Indicators

Power Consumption and Fuse

IndicatorColor

Status

Description

PowerOn Cabinet is powered ONOff Cabinet is OFF

Critical alarm

On Critical alarmOff No critical alarm

Major alarmOn Major alarmOff No major alarm

Minor alarmOn Minor alarmOff No minor alarm

Power consumption/

sub-rack (W)

Fuse capacity/

sub-rack (A)

400 15


Power Distribution Unit

NEG2(-)

INPUT

RTN2(+)RTN1(+) NEG1(-)

2 3 4 5

ON

OFF20A32A 32A 20A

ON

OFF

1 2 3 4

1 6

1 2 3 4

20A32A 32A 20A

OUTPUT OUTPUTA B

1. Power socket (left)

2. Power cable RTN1(+)

3. Power cable RTN2(+)

4. Power cable NEG1(–)

5. Power cable NEG2(–)

6. Power socket (right)A: Supply for Left Power interface From Left, the 1st switch supplies the lower sub-rack

B: Supply for Right Power interface The 1st & 2nd switches are mainly for OptiX OSN 7500/3500


Sub-rack

Service slot area

SEI (Auxiliary Unit)

Interface slot area

FAN Unit

Core Unit

SAP (Auxiliary Unit)

Dimensions (mm) 447 (W) x 295 (D) x 472 (H)

Weight (kg)17 (not including boards and

fans)

PIU


Sub-rack (Cont.)

Slot Assignment, Access capacity & Relation

SLOT3

SLOT2

SLOT1

SLOT4

Fiber routing panel

SLOT 22PIU

SLOT 25PIU

SLOT 23FAN

SLOT 24FAN

SLOT17

SLOT16

SLOT15

SLOT18

SLOT8

2.5G

SLOT9

2.5G

SLOT10

2.5G

SLOT11

2.5G

SLOT12

2.5G

SLOT13

1.25G

SLOT14

SLOT5

622M

SLOT6

622M

SLOT7

2.5G

6 1, 2

7 3, 4

1215,

16

1317,

18622 M x 2 1.25 G1.25 G x 1 1.25 G2.5 G x 6 15 GFuture use 1.25 G

Access capacity: 18.75 G


Sub-rack (Cont.)

Slot Assignment capacity

SLOT3

SLOT2

SLOT1

SLOT4

Fiber routing panel22PIU

25PIU

SLOT 23FAN

SLOT 24FAN

SLOT17

SLOT16

SLOT15

SLOT18

SLOT8

2.5G

SLOT9

2.5G

SLOT10

2.5G

SLOT11

2.5G

SLOT12

2.5G

SLOT13

1.25G

SLOT14

SAP

SLOT5

622M

SLOT6

622M

SLOT7

2.5G

SLOT3

SLOT2

SLOT1

SLOT4

Fiber routing panel22PIU

25PIU

SLOT 23FAN

SLOT 24FAN

SLOT17

SLOT16

SLOT15

SLOT18

SLOT19

622M

SLOT5

622M

SLOT20

622M

SLOT6

622M

SLOT21

1.25G

SLOT7

1.25G

SLOT8

2.5G

SLOT9

2.5G

SLOT10

2.5G

SLOT11

2.5G

SLOT12

2.5G

SLOT13

1.25G

SLOT14

SAP

split

6 2

20 1

7 4

21 3


Contents



3. Boards


5. Features


Contents

3. Boards

3.1 SDH Unit

3.2 PDH Unit

3.3 Ethernet Unit

3.4 ATM Unit

3.5 MST Unit

3.6 WDM Unit

3.7 Core Unit

3.8 Auxiliary Unit


Boards

Board Appearance and type

Processing with Interface

Processing

Interface


SDH Unit

Board Full nameSlots

AvailableModule available

Connector

type

SF16

1 x STM-16 processing

with optical interface

board (FEC)

7, 8, 11 ~ 13

Fixed wavelength outputSF16: Ve-16.2c, Ve-16.2d, Ve-16.2f

LC

SL16 (A)



board

Fixed wavelength output, I-16,

S-16.1, L-16.1, L-16.2, L-

16.2Je, V-16.2Je (with BA), U-

16.2Je (with BA and PA)

SLQ4



board

5 ~ 8, 11 ~ 13 I-4, S-4.1, L-4.1, L-4.2, Ve-4.2 SLD4



board

SL4



board

Signal processing with optical interface board


SDH Unit (Cont.)

SF16

SF16

STATACTPROGSRV

CLASS 1

LASERPRODUCT

OUT

IN

4 indicators 4 indicators

LC Connector LC Connector

Indicator Status Color Description

STAT

Board Status

On, green Board works normally.

On, red Board hardware fails.

Off Board is powered off.

ACT

Board Activation

On, green Board is activated/configured.

Off Board is not activated/configured.

CLASS 1LASER

PRODUCT


SDH Unit (Cont.)

Indicator description

Indicator Status Color Description

PROG

Board Software

On, greenUpload of board software to FLASH or the FPGA upload is normal, or the board software initialization is normal.

On for 100ms and off for 100ms alternatively, green

Board software is being uploaded to FLASH or FGPA.

On for 300ms and off for 300ms alternatively, green

Board software is initializing, and is in BIOS boot stage.

On, redBoard software in FLASH or the FPGA configuration is lost, resulting in upload and initialization failure.

Off No power supply.

SRV

Service Alarm

On, green Service is normal and no service alarm occurs.

On, red Critical or major alarm occurs to service.

On, yellow Minor or remote alarm occurs to service.

Off No service configured or no power supply.


SDH Unit (Cont.)

SL16

SL16

STATACTPROGSRV

CLASS 1

LASERPRODUCT

OUT

IN

SL16A

SL16A

STATACTPROGSRV

CLASS 1

LASERPRODUCT

OUT

IN

CLASS 1LASER

PRODUCT

SFP Module SFP Module

SLQ4

SLQ4

STATACTPROGSRV

CLASS1

LASER

PRODUCT

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4 IN4

SLD4

SLD4

STATACTPROGSRV

CLASS1

LASER

PRODUCT

OU

T1 IN

1O

UT

2IN2

SL4

SL4

STATACTPROGSRV

CLASS1

LASER

PRODUCT

OUT

IN


SDH Unit (Cont.)

Board Full name Slots AvailableModule

available

Connector

type

SLT112 x STM-1 processing with

optical interface board

5 ~ 8, 11 ~ 13 I-1, S-1.1, L-1.1,

L-1.2, Ve-1.2LC

SLO18 x STM-1 processing with


SLQ14 x STM-1 processing with


SL11 x STM-1 processing with




SDH Unit (Cont.)

SLT1

SLT1

STATACTPROGSRV

CLASS1

LASER

PRODUCT

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4IN4

OU

T5

OU

T6

OU

T7

OU

T8

OU

T9

OU

T1

0IN

5IN

6IN

7IN

8IN

9IN

10O

UT

11

OU

T1

2IN

11

IN1

2SLQ1

SLQ1

STATACTPROGSRV

CLASS1

LASER

PRODUCT

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4IN4

SL1

SL1

STATACTPROGSRV

CLASS1

LASER

PRODUCT

OUT

IN

SLO1

SLO1STATACTPROGSRV

OU

T1IN

1O

UT2

IN2

OU

T3IN

3O

UT4

IN4

OU

T5

OU

T6

OU

T7

OU

T8

IN5

IN6

IN7

IN8

CLASS1

LASERPRODUCT

CLASS 1LASER

PRODUCT


SDH Unit (Cont.)

Boar

dFull name Slots Available

Connector

type

SEP1


with electrical interface

board

5~8,11~17 SMB

Boar


SEP8 x STM-1 processing

board6,7,12, 13

Boar


Connector (Interface)

type

OU088 x optical signal access

board

1~4, 15~18

LC/SC (I-1 and S-1.1)

EU088 x electrical signal access

boardSMB

EU044 x electrical signal access

boardSMB

Boar


TSB8Tributary Switch Board for 8

signals1,17

Signal processing with electrical interface board

Signal processing

Interface

TPS


SDH Unit (Cont.)

SEP1

No need for interface board

SMB interfaces on the front panel are used

Can be inserted in all line slots

SEP Need interface board: EU08, OU08, EU04

SMB interfaces on the front panel are inhibited


SDH Unit (Cont.)

EU08

EU08

OU

T1

IN1

OU

T2

IN2

OU

T3

IN3

OU

T4

IN4

OU

T5

IN5

OU

T6

IN6

OU

T7

IN7

OU

T8

IN8

EU04

EU04

OU

T1

IN1

OU

T2

IN2

OU

T3

IN3

OU

T4

IN4

OU08

OU08

IN8

IN7

OU

T8

OU

T7

OU

T6

IN6

OU

T5

IN5

OU

T4

IN4

OU

T3

IN3

OU

T2

IN2

OU

T1

IN1

OU08

OU08

OU

T4

IN4

OU

T3

IN3

OU

T2

IN2

OU

T1IN

1O

UT

8IN

8O

UT

7IN7

OU

T6

IN6

OU

T5IN

5

SEP1

SEP1

STATACTPROGSRV

AO

UT

AIN

BO

UT

BIN

TSB8

TSB8

SLH1

SLH1

STATACTPROGSRV

CLASS 1LASER

PRODUCT


SMB connector

SMB connector

SC connector SC connector


SDH Unit (Cont.)

Functions of SL16

……STM-

16

16 X VC4

OH and AU-PTR

processing

Send to SCC

Collect Alarm and performance S

en

d to

Cro

ss-c

on

nect

un

it


SDH Unit (Cont.)

Features of SL16

Fixed wavelength output

Automatic laser shutdown (ALS) function

Swappable optical module (SFP)

Support VC-4-4c, VC-4-8C and VC-4-16c

services

Inloop and outloop function

Setting and querying of the REG working

mode

1 Last six digits of BOM2 Internal number3 Board version4 Board name5 Board characteristic number


SDH Unit (Cont.)

Optical port parameters of SL16

Optical interface

type (Board

characteristic #)

I-16 (01)

S-16.1 (02)

L-16.1 (03)

L-16.2 (04)

L-16.2Je (02)

V-16.2Je (BA) (03)

U-16.2Je (BA+PA) (04)

Wavelength (nm) 1310 1310 1310 1550 1550 1550 1550.12

Distance (km)0 ～2

2 ～15

15 ～40

40 ～80

80 ～100

80 ～140

140 ～ 170

Launched power

(dBm)

-10~-3

-5~0 -2~3 -2~3 5~7 14 17

Receiver sensitivity

(dBm)-18 -18 -27 -28 -28 -28 -34

Receiver overload

(dBm)-3 0 -9 -9 -9 -9 -10


SDH Unit (Cont.)Common alarms of SDH unit

Alarm level

Color

Alarm name Alarm reason

Critical R_LOS Receiver can not receive STM-N signal normally.

Major

MS_AIS Critical alarm e.g. R_LOS happens.

AU_AIS

Critical alarm e.g. R_LOS happens.

Wrong service configuration

Faulty SDH board

POWER_ABNORMAL

Power module of the line board fails.

Minor

MS_RDI

Opposite station receives the R_LOS, R_LOF or MS_AIS signalFaulty receiver at the opposite node or transmitter at the local node

HP_RDI

Opposite node receives such alarms as AU_AIS and AU_LOP.Faulty receiver at the opposite node or transmitter at the local node

LOOP_ALM Software inloop or outloop is being performed.


SDH Unit (Cont.)Common performance events of SDH unit

Performance name Performance meaning

RSBBE Regenerator section block of background error

MSBBE Multiplex section block of background error

MSFEBBE Multiplex section far end block of background error

HPBBE High-order path block of background error

HPFEBBE High-order path far end block of background error

AUPJCHIGH Count of positive AU pointer justifications

AUPJCLOW Count of negative AU pointer justifications

RPLCUR Current value of input optical power

RPLMAX Maximum value of input optical power

RPLMIN Minimum value of input optical power

TPLCUR Current value of output optical power

TPLMAX Maximum value of output optical power

TPLMIN Minimum value of output optical power


SDH Unit (Cont.)

Board Full nameSlots

availableModule available

Connect

or type

R1SLD

4

2 x STM-4

processing with

optical interface

board

7,21

I-4, S-4.1, L-4.1, L-4.2,

Ve-4.2

LC

R1SL4

STM-4 processing

with optical

interface board

5~7,19~21R1SLQ

1

4 x STM-1

processing with

optical interface

boardI-1, S-1.1, L-1.1, L-1.2,

Ve-1.2

R1SL1

STM-1 processing

with optical

interface board



SDH Unit (Cont.)

R1SL4

R1SL4

OU

T

STAT

ACT

PROG

SRV

IN

R1SLD4

R1SLD4

STAT

ACT

PROG

SRV

IN1

OU

T1

OU

T2 IN

2

R1SLQ1

R1SLQ1

STAT

ACT

PROG

SRV

OU

T1 IN

1O

UT

2O

UT

3O

UT

4IN

2IN

3IN

4

R1SL1

R1SL1

STAT

ACT

PROG

SRV

OU

TIN

CLASS 1LASER

PRODUCT



PDH Unit

Boar

d Full name

Slots

available

Connecto

r type

SPQ4 4 x E4/STM-1 processing board

6, 7, 12, 13 -PD3 6 x E3/T3 processing board

PL3 3 x E3/T3 processing board

PL3A3 x E3/T3 processing with electrical interface

board

5 ~ 8, 11 ~

13

SMB

MU0

44 x E4/STM-1e signal access board

1, 3, 15, 17D34S6 x E3/T3 signal access bridging and

switching board

C34S3 x E3/T3 signal access bridging and

switching board

PDH boards


PDH Unit (Cont.)

SPQ4/MU04

MU04

MU04

OU

T1

IN1

OU

T2

IN2

OU

T3

IN3

OU

T4

IN4

SPQ4

SPQ4

STATACTPROGSRV

IndicatorsIndicators

SMB connector SMB connector


PDH Unit (Cont.)

PL3A

PL3A

STATACTPROGSRV

OU

T1IN

1O

UT

2IN2

IN3

OU

T3

D34S

D34S

OU

T4IN

4O

UT

5 IN5

OU

T6 IN

6O

UT

1IN

1O

UT

2 IN2

OU

T3IN

3

C34S

C34S

OU

T1IN

1O

UT

2 IN2

OU

T3IN

3

PD3

PD3

STATACTPROGSRV

PL3

PL3

STATACTPROGSRV

IndicatorsIndicatorsSMB connector SMB connector


PDH Unit (Cont.)

Boar

d Full name

Slots

available

Connecto

r type

PQM 63 x E1/T1 signal processing board 5 ~ 7, 12,

13 -PQ1 63 x E1 signal processing board

PD1 32 x E1/T1 signal processing board5 ~ 7, 19 ~

21

D75S32 x 75 Ω E1 signal access bridging and

switching board

1 ~ 4, 15 ~

18

DB44D12S

32 x 120 Ω E1/100 Ω T1 signal access bridging

and switching board

D12B32 x 120 Ω E1/100 Ω T1 signal access bridging

board

PDH boards


PDH Unit (Cont.)

D12B

17～

24

9～1

61～

82

5～3

2

D12B

D12S

D12S

17～

24

9～1

61～

82

5～3

2

D75S

D75S

17～

24

9～1

61～

82

5～3

2

PQM

PQM

STATACTPROGSRV

PQ1

PQ1

STATACTPROGSRV

Indicators Indicators

DB44 DB44

PD1

STATACTPROGSRV


PDH Unit (Cont.)

Functions of PQ1 S

en

d to

Cro

ss-c

on

nect

un

it

1 X VC4

Send to SCC

Collect Alarm and

performance

63 X E1

LPOH and TU-PTR processing

E1


PDH Unit (Cont.)

Features of PQ1

Interface Type: 75Ω or 120Ω

Support Inloop and outloop functions

Support Warm and Cold reset

Support TPS function


PDH Unit (Cont.)

Common alarms of PDH unit

Alarm

level

Colo

rAlarm name Alarm reason

Major

ALM_SUBCARD_AB

N

The interface board and the processing

board are mismatched

T_ALOS No E1 service is accessed

TU_AIS

Critical alarm e.g. R-LOS happens

Wrong service configuration

Faulty PDH board

MinorLP_RDI

Opposite node receives such alarms as

TU_AIS and TU_LOP

LP_REI LPBBE happens on the opposite node


PDH Unit (Cont.)

Common performance of PDH unit


LPBBE Low-order path block of background error

LPFEBBE Low-order path far end block of background error

LPES Low-order path errored second

LPFEES Low-order path far end errored second

TUPJCHIGH Count of positive TU pointer justifications

TUPJCLOW Count of negative TU pointer justifications


Ethernet Unit

Board Full nameSlots available

Interface typeConnector type

EGS4

4 x GE with L2 switching processing with interface board

5 ~ 8, 11 ~ 13

1000BASE-SX/LX/ZX LC

EGS2

2 x GE with L2 switching processing with interface board


EGT2

2 x GE transparent transmission processing with interface board


EMS4

4 GE + 16 x FE with L2 switching processing with interface board

1000BASE-SX/LX/ZX, 100Base-FX (From interface board)

RJ-45, LC

Ethernet boards


Ethernet Unit (Cont.)

EGS4

EGS4

STAT

ACT

PROG

SRV

CLASS 1

LASER

PRODUCT

OU

T1

IN1

OU

T2

IN2

OU

T3

IN3

OU

T4

IN4

LINK ACT

EGS2

EGS2

STATACTPROGSRVLINK1ACT1

ACT2LINK2

CLASS 1

LASERPRODUCT

OU

T1IN

1O

UT

2IN2

EGT2

EGT2

STATACTPROGSRVLINK1ACT1

ACT2LINK2

CLASS 1

LASERPRODUCT

OU

T1IN

1O

UT

2IN

2

EMS4

EMS4

STAT

ACT

PROG

SRV

CLASS 1

LASER

PRODUCT

OU

T1IN

1O

UT

2IN

2O

UT

3IN

3O

UT

4IN

4

LINK ACT

Indicato

r

Colo

rStatus Description

LINK1

OnLink is

established

OffLink is not

established

ACT1

Flashin

gData exchanged

OffNo data being

exchanged

CLASS 1LASER

PRODUCT

SFP ModuleSFP Module



Board

Full nameSlots available

Interface type

Connector type

EFS4 4 x FE with L2 switching processing with interface board

5 ~ 8, 11 ~ 13

10Base-T/

100Base-TX RJ-45

EFS0 8 x FE with L2 switching processing board

6, 7, 12, 13 - -

EFT8 8 (16) x FE transparent transmission processing with interface board

7, 12, 13(5 ~ 8, 11 ~ 13)

10Base-T/ 100Base-TX

RJ-45

EFT4 4 x FE transparent transmission processing with interface board

5 ~ 7, 19 ~ 21

10Base-T/ 100Base-TX

RJ-45

ETF88 x FE twisted pair signal access

board

1, 3, 15, 17

10Base-T/

100Base-TX RJ-45

ETS88 x FE twisted pair signal access

switching board

10Base-T/

100Base-TX RJ-45

EFF8 8 x FE optical signal access board 100Mbit/s-FX LC

Ethernet boards



EFS4

EFS4

STATACTPROGSRV

FE1

FE2

FE3

FE4

EFS0

EFS0

STATACTPROGSRV

ETS8

ETS8

FE

1F

E2

FE

3F

E4

FE

5F

E6

FE

7F

E8

EFT8

EFT8

STATACTPROGSRV

FE1

FE2

FE3

FE4

FE5

FE6

FE7

FE8

ETF8

ETF8

FE

1F

E2

FE

3F

E4

FE

5F

E6

FE

7F

E8

EFF8

EFF8

LINK ACT

12345678

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4IN

4O

UT

5IN5O

UT

6IN6

OU

T7IN

7O

UT

8IN8

CLASS 1

LASERPRODUCT

CLASS 1LASER

PRODUCT

EFT4

STATACTPROGSRV

FE

1F

E2

FE

3F

E4

RJ 45 connectorRJ 45 connector

LC connectorLC connector



Function

EVPL/EVPLAN Service

QoS

Resilient Packet Ring Function

Weighted fair algorithm and three service

levels

Auto discovery of topology

Wrap and steering protection

Board

Full nameSlots available

Interface type

Connector type

EGR22 x GE RPR processing with interface board

6, 7, 12, 13 1000Mbit/s-SX/LX

LC

EMR0

1 GE + 4 (12) x FE RPR processing with interface board

5 ~ 8, 11 ~ 13

10/100Mbit/s-TX, 1000Mbit/s-SX/LX

RJ-45, LC

EMR0

EMR0

STAT

ACT

PROG

SRV

LINK

ACT

CLASS 1

LASER

PRODUCT

OU

T1IN

1

FE1

FE2

FE3

FE4

EGR2

EGR2

LINK1ACT1

ACT2LINK2

STATACTPROGSRV

CLASS 1

LASER

PRODUCT

OU

T1 IN

1O

UT

2IN2

GE PORTSFP ModuleGE PORTSFP Module

FE PORTRJ 45 connector

FE PORTRJ 45 connector



Function of EFS4 S

en

d to

Cro

ss-c

on

nect

un

it

8 X VC4

Send to SCC

Collect Alarm and

performance

4 X FE

FE GFP

N×VC12/VC3VC-12-Xv(x≤63), VC-3-Xv(x≤12)



Features of EFS4

Supports bandwidth auto-sensing

Supports MPLS

Supports LCAS

Supports Port based flow control

Supports receiving and transmitting Ethernet testing frame

Supports inloop at Ethernet port and inloop and outloop at

VC3 level

Supports port level Ethernet performance monitoring

Supports EPL/EPLAN/EVPL/EVPLAN services and QoS



Common alarms of Ethernet unit

Alarm

levelColor Alarm name Alarm reason

Critical HARD_BAD Faulty board hardware

ETH_LOS Interrupted Ethernet link

MajorTU_AIS_VC3 Interrupted contiguous VC3-xc

PROTOCOL_MM Mismatched encapsulation protocol

Minor

LP_RDI_VC3TU_AIS_VC3 happens in the opposite

node

LCAS_BAND_

DECREASED VC-Trunk bandwidth decreases



Common performance events of Ethernet unit


DropOv Number of packet losses is over upper alarm thresholdDropUd Number of packet losses is under lower alarm threshold

RxBadOctOv Number of the bytes of bad packets received is over upper alarm threshold

RxBadOctUd Number of the bytes of bad packets received is under lower alarm threshold

TxBadOctOv Number of the bytes of bad packets transmitted is over upper alarm threshold

TxBadOctUd Number of the bytes of bad packets transmitted is under lower alarm threshold

ColOv Number of detected conflicts is over upper alarm threshold ColUd Number of detected conflicts is under lower alarm threshold


ATM Unit

ATM boards

Board Full name

Slots

availab

le

Interface typeConnecto

r type

ADL41 x STM-4 ATM processing

with interface board

7,8,11,

12, 13

S-4.1, L-4.1, Ve-

4.1, L-4.2

LC

ADQ14 x STM-1 ATM processing

with interface board

Ie-1, S-1.1, Ve-

1.2, L-1.2, L-1.1

IDL4

1 x STM-4 ATM/IMA

processing with interface

board

S-4.1, L-4.1, L-

4.2, Ve-4.2

IDQ1

4 x STM-1 ATM/IMA


board

Ie-1, S-1.1, L-1.2,

Ve-1.2, L-1.1


ATM Unit (Cont.)

IDQ1

IDQ1

STATACTPROGSRV

CLASS 1

LASER

PRODUCT

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4IN4

ADL4

ADL4

STATACTPROGSRV

CLASS 1

LASER

PRODUCT

IN1

OU

T1

SFP CONNECTORADQ1

ADQ1

STATACTPROGSRV

CLASS 1

LASER

PRODUCT

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4IN4

IDL4

IDL4

STATACTPROGSRV

CLASS 1

LASER

PRODUCT

IN1

OU

T1

CLASS 1LASER

PRODUCT


ATM Unit (Cont.)

Function of ADQ1

4 X ATM

8X

VC4

Mapper

VC-12, VC-4, VC-4-Xv

ATM

Sen

d to

Cro

ss-c

on

nect

un

it

Send to SCC

Collect Alarm and

performance


ATM Unit (Cont.)

Features of ADQ1

Supports CBR, rt-VBR, nrt-VBR and UBR

Supports QoS

ATM switching capability: 1.25 Gbit/s

Max. uplink bandwidth: 8 VC-4, or 12 VC-3 + 4 VC-4

E3 traffic can be received from PDH board

Supports ATM multicast connection

Supports VP-Ring and VC-Ring

Uni-directional/bidirectional 1+1 and 1:1 board protection

Supports inloop and outloop


ATM Unit (Cont.)

Common alarms of ATM unit

Alarm

level

Colo

r

Alarm

nameAlarm reason

Critica

l

VPAISMore critical alarms e.g. R_LOS happens.

The faulty ATM board

VCAISMore critical alarms e.g. R_LOS happens.

The faulty ATM board

Major

VPRDIThe VPAIS is reported on the opposite node ATM

board

VCRDIThe VCAIS is reported on the opposite node ATM

board

LCD The cell heads are lost


ATM Unit (Cont.)Common performance of ATM unit


VC3BBE VC3 block of background error

VC3ES VC3 errored second

VC3FEBBE VC3 far end block of background error

VC3FEES VC3 far end errored second

ATM_INGCELL Number of input cells in ATM link

ATM_EGCELL Number of output cells in ATM link

ATM_CORRECTED_HCSERRNumber of corrected cells with HCS error at ATM interface

ATM_UNCORRECTED_HCSERRNumber of uncorrected cells with HCS error at ATM interface

ATM_RECV_CELL Number of cells ATM interface received

ATM_RECV_IDLECELL Number of idle cells ATM interface received

ATM_TRAN_CELL Number of cells ATM interface transmitted


MST Unit

Board Full name Slots available Connector

MST4

4 x multi-service

transparent transmission


board

5-8,11-13 LC

Service type Rate Remarks

GE 1000 Mbit/s Data service

FC50 531.25 Mbit/s Storage Area Network (SAN)

FC100/FICON 1062.5 Mbit/s SAN service

FC200 2125 Mbit/s SAN service

ESCON 200 Mbit/s SAN service

DVB-ASI 270 Mbit/s Video service


MST Unit (Cont.) Features of MST unit

Total uplink bandwidth 2.5G

Supports GFP-T encapsulation

Inloop and outloop function at the client

side

Distance extension function for ports 1

and 2

SFP Modules

MST4

MST4

STATACTPROGSRV

OU

T1IN

1O

UT

2IN2

OU

T3IN

3O

UT

4IN4

SFP CONNECTOR

Services SDH

sideClient side

FC100 3000km 40km

FC200 1500km 20km


MST Unit (Cont.)

Function

Mu

lti-Serv

ices

16X

VC4

GFP-T

VC-4-4c/8c/16c

SAN

Sen

d to

Cro

ss-c

on

nect

un

it

Send to SCC

Collect Alarm and

performance


WDM Unit

Board Full name Slots availableConnector type

LWXArbitrary bit rate wavelength conversion processing with interface board 5-8,11-13

LCMR2A2-channel optical add/drop multiplexing board

MR2B 5 ~ 7,19 ~ 21

MR2C 1 ~ 4, 15 ~ 18

MR2MR2

LWXLWX

OLA

MUX DEMUX

OAOA

OTUOTU

STM-1

STM-4

STM-16

STM-1

STM-4

STM-16


WDM Unit (Cont.)

LWX

LWX

LWX

STATACTPROGSRV

CLASS 1LASER

PRODUCT

TX

RX

OU

T1IN

1O

UT

2IN2

InterfaceTyp

eDescription

IN1/IN2

LC

Receives signals from the optical add/drop

multiplexing board

OUT1/OUT2Sends signals to the optical add/drop multiplexing

board

TX Sends service signal to client-side equipment

RXReceives the service signal from client-side

equipment


WDM Unit (Cont.)

Features of WDM unit

LWXLWXOCh

•SDHSDH

•PDHPDH

•FE FE

•ATMATM

•FICOFICONN

•FCFC

•SDHSDH

•PDHPDH

•FE FE

•ATMATM

•FICOFICONN

•FCFC

Alarm and performance event process ALS function 3R function Channel spacing: 100 GHz

1+1 inter-board hot backup protection Support inloop/outloop Bit rate: 10Mbit/s ~ 2.7 Gbit/s at client side


WDM Unit (Cont.)Board type Protection Description

Dual-fed signal selection

LWX

Intra-board

protection Optical channel protection with one board

Single-fed single receiving

LWX

Inter-board

protection 1+1 inter-board hot backup protection

ProtectionOTU

Workingchannel

Protectionchannel

Working OTU

Coupler

Client-sideequipment

Working

channel

Protection channel

OTU

Client-sideequipment


WDM Unit (Cont.)

MR2A/MR2C

Function Adding/dropping two adjacent channels

Operating wavelength ranging 1535.82 nm ~ 1560.61 nm

Channel spacing is 100 GHz

MR2A

MR2A

CLASS 1LASER

PRODUCT

OU

TAO

1A

O2M

IM

OD

O2

DO

1IN

Interfac

e

Typ

eDescription

A01–A02

LC

Access two channels of service signal

added locally.

D01–D02 Drop two channels of service signal locally.

INReceive two channels of multiplexed

signal.

OUT Send two channels of multiplexed signal.

MO/MI

Concatenation interface, through which

multiple MR2A/MR2C boards can be

concatenated.


WDM Unit (Cont.)

Drop1 Drop2

Add1 Add2

Out

In

MI

MO

MR2A/MR2C

An OTM with two channels

Drop1 Drop2

Add1 Add2

Out

In

MI

MO

Drop1 Drop2

Add1 Add2

Out

In

MI

MO

An OTM with four channels

MR2A/MR2C

MR2A/MR2C

In Out

MI MO

Drop1

Add1

Add2

Drop2

MR2A/MR2C LWXLWX

OADM station with two channels


WDM Unit (Cont.)

Common alarms of WDM unit

Alarm

level

Colo

rAlarm name Alarm reason

Critical

R_LOS Receive loss of signal

IN_PWR_HIGH Input power is too

high

IN_PWR_LOW Input power is too low

LSR_WILL_DIE Laser will be out of

work

Major

OUT_PWR_HIGH Output power is too

high

OUT_PWR_LOWOutput power is too

low

LASER_SHUT The laser is shut down

Minor SPEED_OVER The too high signal

rate


WDM Unit (Cont.)

Common performance of WDM

unit Performance name Performance meaning

LSOOPMAX Maximum value of laser output optical power

LSOOPMIN Minimum value of laser output optical power

LSOOPCUR Current value of laser output optical power

LSIOPMAX Maximum value of laser input optical power

LSIOPMIN Minimum value of laser input optical power

LSIOPCUR Current value of laser input optical power

LSTMPMAX Maximum value of laser working temperature

LSTMPMIN Minimum value of laser working temperature

LSTMPCUR Current value of laser working temperature


Core Unit

FunctionCross-connect Unit

Timing Unit

SCC Unit

Line unit

Board

name

Slot

availab

le

High-order

cross-connect

capacity

Low-order

cross-

connect

capacity

Line unit

Connector (Interface/module)

type

CXL16

9,10 20G 5G (20G)

STM-16 SFP

I-16, S-16.1, L-16.1, L-16.2

CXL4STM-4 SFP

S-4.1, L-4.1, L-4.2, Ve-4.2

CXL1STM-1 SFP

S-1.1, L-1.1, L-1.2, Ve-1.2


Cross-Connect Unit

High-order cross-connect matrix (20G)

SDH unit

Ethernet unit

Multi-Granularity: VC12/VC3/VC4/VC-4-xc

PDH unit

Low-order cross-connect matrix (5G/20G)

Flexible service cross-connect, loopback, multicast and broadcast

Send to SCC

Collect Alarm and performance


Cross-Connect Unit (Cont.)

2.5G line unit

PDH unitStandby

2.5G line unit

Ethernet unit

PDH unit

Ethernet unit

2.5G line unit

2.5G line unitCross-connec

tCross-connec

t

Active


Cross-Connect Unit (Cont.)

Indicat

or

Colo

rDescription

STAT

Board works normally

Board hardware fails

Board is powered off

ACTX Cross-connect unit is in active status

Cross-connect unit is in standby status

CXL16

CXL16STATACTXACTCPROGSRVXSRVLSYNCALMC

CLASS 1

LASER

PRODUCT

OU

TIN

RESET

ALM CUT

CXL4


CLASS 1LASER

PRODUCT

RESET

ALM CUT

OU

TIN

CXL1


CLASS 1LASER

PRODUCT

RESET

ALM CUT

OU

TIN

Logical unit GXCL (5G) EXCL (20G)


Timing Unit Function

Process 2 x 2048 kHz or 2048 kbit/s external timing signals

Supply 2 x 2048 kHz or 2048 kbit/s timing signals

Process SSM protocol Non-synchronization status message (SSM) mode

Standard SSM mode for clock signal quality

Extended SSM mode for clock ID

Indicato

rColor Description

SYNC

Clock works in Normal mode

Clock works in hold-over or free-run

mode


Cross-Connection & Timing Unit Common alarms of Cross-Connect and

Timing unit Alarm level

Color

Alarm name Alarm reason

Major

BUS_ERR Chip of the cross-connect board is damaged

Damaged backplane bus

APS_INDI MSP switching happens

TEMP_OVER Ambient temperature is too high.

W_OFFLINE Ejector lever on the front panel is rotated to the open position.

Minor

EXT_SYNC_LOS Physical interface signal of the external clock source is lost.

CLOCK_ENTER_NO_TRACE_MODE

Clock working mode changes from locked into holdover or free-run.

Warning

APS_FAILMultiplex section protection switching fails.

MS node information is lost or set incorrectly

SWITCH_DISABLE Board switching is disabled

OTH_BD_STATUS Another board pulled out or plugged in


System Control & Communication Unit

SDH unit

Other unit

PDH unit

Cross-connect unit

NMS

Other NE

DCC

Commands

Collect Alarm and performance


System Control & Communication Unit (Cont.)

CXL1


CLASS 1LASER

PRODUCT

RESET

ALM CUT

OU

TIN

Alarm cut switch (short and long press)

Alarm cut switch (short and long press)

Reset boardReset board

Active SCC unit ACTC ( )

Standby SCC unit ACTC ( )

To warm reset board, press RESET

To cut buzzer temporarily, press ALMC for 1 second ( )

To cut buzzer permanently, press ALMC for 3 seconds ( )

To re-enable buzzer, press ALMC for 1 second ( )

Logical unit SCC GSCC (with ASON)


System Control & Communication Unit (Cont.) Functions of SCC unit

Service configuration, grooming and monitoring

Collects alarm and performance events

Supports NE ID setting by software

1+1 hot backup

Extended ECC

Controls cabinet indicators and fans

3 Housekeeping alarm inputs and 1 alarm outputs


System Control & Communication Unit (Cont.) Extended ECC function

Ring A

NMS

L< 50mEthernet port

Ethernet port

Ring B


System Control & Communication Unit (Cont.) Four databases on the SCC

MDB

Issued dataIssued data

FDB0FDB1

Save manually or periodically every 30 mins

DRDBBoards in running status

Success

verifyNE in

installing status

Fail DRDBAutomatically saves the successfully verified data.If power fails, the data in DRDB will be lost.

FDB0, FDB1Manually or periodically saves the data. Enduringly saves data and does not need battery.

MDBAutomatically saves the current data in dynamic RAM.If power fails, the data in MDB will be lost.


System Control & Communication Unit (Cont.) Common alarms of SCC unit

Alarm


Critical NESTATE_INSTALL NE is in the installing state.

Major

MSSW_DIFFERENT Software in the master and slave SCC are

mismatched

WRG_BD_TYPE Inserted board and the configured board

are mismatched

NESF_LOST Host software is lost.

POWER_ABNORMAL

Faulty power resource, e.g. the 3.3V power

module of the SCC or AUX, and the 3.3V

backup power module, and 2 channels of –

48V

POWER_FAIL Too low battery voltage on the SCC


Line Unit STM-1

S-1.1, L-1.1, L-1.2, Ve-1.2

STM-4 S-4.1, L-4.1, L-4.2 and Ve-4.2

STM-16 I-16, S-16.1, L-16.1 and L-16.2

Automatic laser shutdown (ALS) function

Swappable optical module (SFP)

Support VC-4-4c, VC-4-8C and VC-4-16c services

Inloop and outloop function CXL16


CLASS 1

LASER

PRODUCT

OU

T IN

RESET

ALM CUT

CXL4


CLASS 1LASER

PRODUCT

RESET

ALM CUT

OU

TIN

CXL1


CLASS 1LASER

PRODUCT

RESET

ALM CUT

OU

T IN


Auxiliary Unit

Board Board name

System Auxiliary Process SAP

System Extended Interface SEI

Power Interface Board PIU

Booster Amplifier Board BA2

Pre-amplifier Board BPA

Fan unit FAN

Uninterruptible Power Modules UPM


System Auxiliary Process unit－ SAP Function

Inserted in slot 14

Provides NM interface

Process environmental alarms

Provides drive current for cabinet indicators

Process orderwire bytes

Monitor -48V power supply for Overvoltage

and undervoltage Provide and monitor +3.3 V power centralized

backup function for each board (secondary

power 1:N protection)

NM port

COM test port

Q1SAP

Q1SAP

ETH

COM

STATPROG

PWRA

PWRC

PWRB


System Extended Interface Unit －SEI

CLK1 CLK2PHONEF&f

F1OAM

LAMP2

LAMP1

ALMO2ALMO1

ALMI2ALMI1 S1 S2 S3 S4 V1 V2

CLKO1 CLKO2 CLKI1 CLKI2

ALMO1/2: Alarm outputALMI1/2: 8 x Environment alarm input

LAMP1/2: Cabinet indicator outputOAM: X.25 OAMF1: Co-directional data 64 Kbit/sS1 ~ S4: Serial 1 ~ 4 broadcast data

F&f: LCTPHONE: OrderwireCLK1/2: 120 Ω Ext clock input/output 1/2V1/2: NNI Audio/Signaling

CLKO1/2: 75 Ω Ext clock output 1/2 CLKI1/2: 75 ΩExt clock input 1/2


Power Interface Board － PIU

Function

Access power

Lightning protection

Enhance the electro magnetic compatibility (EMC) of the

system by filtering and shielding the power supply.

Protect the power interface from damage caused by

misconnection.

1+1 hot backup protection


Power Interface Board － PIU (Cont.)

Interfac

e

Description

PWS 50 W power output interface,

supplying power for COA or HUB

PWR –48 V power access interface

PIU

PWS

RTN(+)

PWR

NEG(-)


Booster Amplifier Board －BA2

Tx BA Rx

Output optical power + 13 ~ + 15 dBm + 15 ~ +17 dBm

Input/Output optical power detection

Input optical power -6 ~ +3 dBm


Booster Amplifier Board － BA2 (Cont.)

BA2

BA2

STATACTPROGSRV

OU

T1

OU

T2

IN1

IN2

IN1/2 (dBm)Output 1

(dbm)

Output 2

(dbm)

–6 ~ +3

+13 ~ +15 -

+15 ~ +17 -

+13 ~ +15 +13 ~ +15

+15 ~ +17 +15 ~ +17

+13 ~ +15 +15 ~ +17

1/ 2 BA modulesLC connector

1/ 2 BA modulesLC connector

Specifications

CLASS 1LASER

PRODUCT


Booster Amplifier Board － BA2 (Cont.) Function

2 channel power amplification

Used on TX side

Fixed output optical power

Used for 1530 ~ 1565 nm signals

Reports laser performance parameter

ALS function

Automatic control of laser temperature and optical

power of the EDFA module


Pre-Amplifier Board － BPA

Tx PA Rx

Detects the input/output optical power

Gain 22 dB

Receiver sensitivity -38 dBm


Pre-Amplifier Board － BPA (Cont.)

BPA

BPA

STATACTPROGSRV

PO

UT

BO

UT

BIN

PIN

BIN

(dBm)

BOUT

(dBm)

PIN

(dBm)

POUT

(dBm)

-6 ~ +3 +13 ~ +15 -10 ~ -37 +11 ~ -16

- +15 ~ +17 - -

Port 1:BA module LC connector

Port 1:BA module LC connector

Port 2:PA moduleLC connector

Port 2:PA moduleLC connector

CLASS 1LASER

PRODUCT

Specifications


Pre-Amplifier Board － BPA (Cont.) Function

1-channel power amplification

1-channel pre-amplification

Fixed output optical power

Improving the receiver sensitivity to –38 dBm

BA used for 1530 ~ 1565 nm signals

PA used for 1550.12 nm signals

ALS function

Reports performance parameter


Case-based Optical Amplifier －COA

1 2 3 4 5 6 7

8 9 10

11

1. ID DIP switch2. Running

indicator

3. Alarm

indicator4. RS232-1

5. RS232-2 6. MONITOR-1 7. MONITOR-28. IN input optical

port

9. OUT output optical

port10. Power switch 11. –48 V power interface


Case-based Optical Amplifier －COA (Cont.) External installation

Types 61COA

Only one EDFA module

Can work as BA (+14 dBm or +17dBm), PA (with the receiver

sensitivity of –38 dBm ) or LA

62COA Raman amplifier with good noise performance

used in the RX (with the receiver sensitivity of –39 dBm)

Ultra long hop transmission for a single span (>170 km )


Amplifier Unit

Common alarms of Amplifier unit

Alarm


Critical

IN_PWR_FAIL No input signal

IN_PWR_HIGH Input power is too high

IN_PWR_LOW Input power is too low

OUT_PWR_ABN Abnormal output power

PUM_COOL_ALARM Faulty EDFA module


Amplifier Unit

Common performance of Amplifier unit


EDRPLAVG Current value of input optical power

EDRPLMAX Maximum value of input optical power

EDRPLMIN Minimum value of input optical power

EDTMPCUR Current value of environment temperature

EDTMPMAX Maximum value of environment temperature

EDTMPMIN Minimum value of environment temperature

EDTPLCUR Current value of output optical power

EDTPLMAX Maximum value of output optical power

EDTPLMIN Minimum value of output optical power


FAN Unit

FAN Unit


FAN Unit (Cont.)

Function

Support hot swapping

Intelligent speed adjustment

Indicator Color Description

STAT

Fan operates normally.

Fan, fan power board or FANA is

abnormal.

Fan is turned off due to low temperature.

Alarm level Color Alarm name Alarm reason

Major FAN_FAIL Faulty fan

Fan is power off


Uninterruptible Power Modules －UPM Functions of UPM

Convert AC 110/220V to DC -48V

Height 1U

Consists of converter and battery

Power feedback is 2 x 270W

Can be installed in 19 inch cabinet

Display CAU in T2000 NMS

Capacity of the battery is 40Ah


Uninterruptible Power Modules －UPM (Cont.)

1: AC input 2: AC-DC Converter, ventilation 3: Communication interface4: Battery input 5,6: Power feed interface

AC100~240 ALMRUN

RS232

1 32

ALM Vout ALM Vout

4

5 6

BAT-

BAT+

48V+

48V-

LOAD1 LOAD2

CAUTION!DO NOT INVERT POLARITY

注意极性防止反接

BAT


Questions

How many types of boards are there in OptiX OSN

2500?


SummaryUnit Constituent board Function

SDH

unit

Processing with

optical interface

board

SL16, SLQ4, SLD4, R1SLD4,

SL4, R1SL4, SLT1, SLQ1,

R1SLQ1, SL1, R1SL1, SEP1Access and process STM-N

signals and concatenated

optical signals.

Implement TPS protection.

Interface board EU08, OU08, EU04

Protection switching

boardTSB8

PDH

unit

Processing with

electrical interface

board board

SPQ4, PD3, PL3, PQ1, PQM,

PD1

Access and process E1,

E1/T1, E3/T3, E4/STM-1

electrical signals.

Implement TPS protection.Interface boardMU04, D34S, C34S, D75S,

D12S, D12B

Ethern

et unit

Processing with

optical/electrical

Interface/

Processing board

EGS2, EGT2, EMS4, EFS0,

EFS4, EFT8, EFT4

Access and process FE, GE

signals.

Implement TPS protection

Interface board ETF8, EFF8, ETS8


Summary (Cont.)Unit Constituent board Function

Ethernet interface unit (RPR)

Processing with Interface board

EMR0, EGR2Access and process FE, GE signals. Support RPR and conduct TPS protection for Ethernet signals. Implement TPS protection.Interface board ETF8, EFF8, ETS8

ATM interface unitADL4, ADQ1, IDQ1, IDL4

Access and process STM-4, STM-1 ATM signal.

WDM unit

MR2A, MR2B,MR2C

Provide add/drop multiplexing of any two adjacent wavelengths.

LWX

Implement conversion between client signaling wavelengths of any rate (10 Mbit/s to 2.7 Gbit/s NRZ code signal) and those wavelengths complying with G.692 standard.

Core unit CXL1, CXL4, CXL16

Implement cross connection and provide the equipment with system clock.Provide interface for connecting the equipment with the NM system and process the overhead of SDH signals. Support intelligent feature.Provides the optical interface.


Summary (Cont.)Unit

Constituent

boardFunction

Power input unitPIU

Provide power supply and protect the

equipment against abnormal power

Inter-board communication and

power backup unit SEI

Implement centralized power backup

function and provide auxiliary interfaces

externally (F1, alarm and external clock)

Fan unit FAN Dissipate heat for the system

Other

functional

units

Optical booster

amplifier boardBA2, BPA Amplify or pre-amplify the optical power

Case-based optical

amplifier

61COA and

62COA

Amplify the optical power and installed in

the cabinet


Contents



3. Boards


5. Features


Contents

4. Common network elements

4.1 Terminal multiplexer (TM)

4.2 Add and drop multiplexer (ADM)

4.3 Multi-add and drop multiplexer (MADM)

4.4 Regenerator (REG)


Terminal multiplexer

TM

Low rate signalsPDH: E1/T1, E3/T3, E4SDH: STM-1eDATA: FE, GE, ATM, ...

High rate signalsSDH: STM-1/4/16/64


TM

configuration

Tributary unit Line unit

50 x E1s STM-16

4 x E3s

D75S

Slot2

D75S

Slot1

Slot4

Fiber routing panel

SLOT 22PIU

SLOT 25PIU

SLOT 23FAN

SLOT 24FAN

Slot17

Slot16

Slot15

Slot18

Slot8

CXL16

Slot9

CXL16

Slot10

Slot11

Slot12

Slot13

SAP

Slot14

Slot5

PQ1

Slot6

PD3

Slot7

D34S

Slot3

OptiX OSN

2500

Terminal multiplexer (Cont.)


Add and drop multiplexer

ADM




ADM

configuration

Tributary unit Line

unit

50 x E1s STM-

16

4 x E3s

D75S

Slot2

D75S

Slot1

Slot4

Fiber routing panel

SLOT 22PIU

SLOT 25PIU

SLOT 23FAN

SLOT 24FAN

Slot17

Slot16

Slot15

Slot18

Slot8

CXL16

Slot9

CXL16

Slot10

Slot11

Slot12

Slot13

SAP

Slot14

Slot5

PQ1

Slot6

PD3

Slot7

D34S

Slot3

OptiX OSN

2500

Add and drop multiplexer (Cont.)


Multi-add and drop multiplexer

MADM




Multi-add and drop multiplexer (Cont.) MADM configuration

Tributary unit Line unit

50 x E1s STM-16

4 x E3s STM-4

D75S

Slot2

D75S

Slot1

Slot4

Fiber routing panel

SLOT 22PIU

SLOT 25PIU

SLOT 23FAN

SLOT 24FAN

Slot17

Slot16

Slot15

Slot18

SLD4

Slot8

CXL16

Slot9

CXL16

Slot10

Slot11

Slot12

Slot13

SAP

Slot14

Slot5

PQ1

Slot6

PD3

Slot7

D34S

Slot3

OptiX OSN

2500


Regenerator OptiX OSN 2500REG

High rate signalsSDH: STM-64, STM-16, STM-16 (FEC)

3R: Re-amplify, Re-shaping, Re-timing


OptiX OSN 2500REG configuration

Regenerator (Cont.)

Slot2

Slot1

Slot4

Fiber routing panel

SLOT 22PIU

SLOT 25PIU

SLOT 23FAN

SLOT 24FAN

Slot17

Slot16

Slot15

Slot18

SL64

Slot8

CRG

Slot9

CRG

Slot10

SL64

Slot11

SF16

Slot12

SL16

Slot13

SAP

Slot14

Slot5

SL16

Slot6

SF16

Slot7

Slot3

OptiX OSN

2500

CRG:

Timing signal

System control

&

communication


OptiX OSN 2500REG fiber connection

Regenerator (Cont.)

Fiber connection for one REG

Fiber connection for multi-REGs


Contents



3. Boards


5. Features


Equipment ProtectionItems protected Protection scheme

E1/T1 processing card 1:N (N 4) TPS

E3/T3 processing card 1:1 TPS (2 Groups)

E4/STM-1 processing card 1:1 TPS (2 Groups)

FE processing board 1:1 TPS (2 Groups)

Core unit 1+1 hot backup protection

-48V power interface card 1+1 hot backup protection

3.3V card power supply 1:N centralized hot backup protection

* The OptiX OSN 2500 can support two TPS groups of different types of services at the same time.


Equipment Protection (Cont.)

1:4 TPS of E1/T1 board

2 groups 1:1 TPS for

E3/T3/E4/STM-1(e)/FE board

SLOT1

SLOT2

SLOT3

SLOT4

SLOT5

P

SLOT6

W

SLOT7

W

SLOT8

SLOT9

CXL

SLOT10

CXL

SLOT11

SLOT12

W

SLOT13

W

SLOT14

SAP

SLOT15

SLOT16

SLOT17

SLOT18

SLOT1

TSB

SLOT2

SLOT3

SLOT4

SLOT5

SLOT6

P

SLOT7

W

SLOT8

SLOT9

CXL

SLOT10

CXL

SLOT11

SLOT12

W

SLOT13

P

SLOT14

SAP

SLOT15

SLOT16

SLOT17

TSB

SLOT18


Equipment Protection (Cont.)

Fans

The mutual backup of power supplies for the fans

Automatic fan speed adjustment

Once one fan modules goes faulty, the other one will operate at

their full speed.

Turns off the fans at low temperature

Abnormality-Specific Board Protection

Check function of application program and data

Over-voltage and under-voltage protection

Board temperature check


Network Level Protections

Protections Types

Linear MSP1+1 MSP

1:N (1 ≤ N ≤ 14) MSP

MSP ring

2-fiber bidirectional MSP ring

2-fiber unidirectional MSP ring

4-fiber bidirectional MSP ring

Mesh Protection Intelligent function

SNCP

Dual node interconnection (DNI)

Fiber-Shared Virtual Path Protection

MS-Shared Optical Path Protection

RPR

VP-Ring/VC-Ring Protection


Intelligent Features

Service level agreement (SLA)

Topology automatic discovery function

Automatic end-to-end service configuration

Support mesh networking and protection

Traffic engineering


Resilient Packet Ring (RPR)

Topology automatic discovery function

Fair algorithm

3 service levels


Summary

Product Introduction

Cabinet, Sub-rack and Boards

Common Network Elements and Configuration

Features

Thank youwww.huawei.com

Documents

OSN 2500 Hardware Description ISSUE 1 30