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The Boards Classification of the Huawei OSN 2500

The boards of the Huawei OSN 2500 are classified into SDH boards, PDH boards, data boards, WDM boards, and auxiliary boards according to the functions of the boards.

SDH Boards

The OptiX OSN 2500 supports the SDH boards that operate at the STM-16, STM-4, and STM-1 rates.

SDH boards that the OptiX OSN 2500 supports

Board Description Board Description
N1SL16, N2SL16, N3SL16 1xSTM-16 optical interface board N1SLQ1, N2SLQ1 4xSTM-1 optical interface board
N1SL16A, N2SL16A, N3SL16A 1xSTM-16 optical interface board N1SLQ1A 4xSTM-1 optical interface board
N1SF16 1xSTM-16 optical interface board with the out-band forward error correction (FEC) function R1SLQ1 4xSTM-1 optical interface board (divided slot)
N1SL4, N2SL4, N1SL4A 1xSTM-4 optical interface board N1SL1, N2SL1 1xSTM-1 optical interface board
R1SL4 1xSTM-4 optical interface board (divided slot) N1SL1A
N1SLQ4, N2SLQ4, N1SLQ4A 4xSTM-4 optical interface board R1SL1 1xSTM-1 optical interface board (divided slot)
N1SLD4, N2SLD4, N1SLD4A 2xSTM-4 optical interface board N1SEP1 2xSTM-1 line processing board when the interfaces are available on the front panel8xSTM-1 line processing board when the interfaces are available on the corresponding interface board
R1SLD4 2xSTM-4 optical interface board (divided slot) N2SLO1, N3SLO1 8xSTM-1 optical interface board
N1SLT1 12xSTM-1 optical interface board N3SLQ41 4xSTM-4/STM-1 optical interface board
N1OU08 8xSTM-1 optical/ electrical interface board (LC) N2OU08 8xSTM-1 optical interface board (SC)
N1EU04 4xSTM-1 electrical interface board N1EU08 8xSTM-1 electrical interface board

PDH Boards

The Huawei OSN 2500 supports the PDH boards that operate at different rates and have different impedances.

PDH boards that the OptiX OSN 2500 supports

Board Description Board Description
R1PD1, R2PD1 32xE1 service processing board N1PD3, N2PD3 6xE3/T3 service processing board
N1PQ1, N2PQ1 63xE1 service processing board N2PQ3 12xE3/T3 service processing board
N1PQM 63xE1/T1 service processing board N1DX1 DDN service accessing and converging board
N1PL3, N2PL3 3xE3/T3 service processing board N1DXA DDN service converging and processing board
N1PL3A 3xE3/T3 service processing board (The interfaces are available on the front panel.) N1SPQ4, N2SPQ4 4xE4/STM-1 electrical processing board
N2PL3A 3xE3/T3 service processing board (The interfaces are available on the front panel.) N1MU04 4xE4/STM-1 electrical interface board
N1D75S 32xE1 switching access board (75 ohms) N1D34S 6xE3/T3 switching access board
N1C34S 3xE3/T3 switching access board N1D12S 32xE1/T1 switching access board (120 ohms)
N1D12B 32xE1/T1 access board (120 ohms) N1DM12 DDN service interface board
N1TSB4 4-channel electrical interface protection switching board N1TSB8 8-channel electrical interface protection switching board

EoS/EoP Boards

The OptiX OSN 2500 supports EoS boards with the transparent transmission and switching functions.

EoS/EoP Boards that the OptiX OSN 2500 supports

Board Description Board Description
R1EFT4 4xFE transparent transmission board (divided slot) N1EMS4 4xGE and 16xFE transparent transmission and converging board
N1EFT8, N2EFT8 8xFE or 16xFE transparent transmission board N1EMS2 2xGE and 16xFE transparent transmission and converging board
N1EFT8A, N2EFT8A 8xFE transparent transmission board N1EGT2, N2EGT2 2xGE transparent transmission board
N1EFS0, N2EFS0, N4EFS0, N5EFS0 8xFE switching and processing board N1EFS0A 16xFE switching and processing board
N1EFS4, N2EFS4, N3EFS4 4xFE switching and processing board N1EGS4, N3EGS4, N4EGS4 4xGE switching and processing board
N2EGS2, N3EGS2 2xGE switching and processing board N1MST4 4-port multi-service transparent transmission board
N1EFF8, N1EFF8A 8x100M Ethernet optical interface board N1ETF8, N1ETF8A 8x100M Ethernet twisted pair interface board
N1ETS8 8×10/100M Ethernet twisted pair interface switching board
N1EFP0 8-port PDH-based Ethernet switching and processing board

ATM Boards

The Huawei Transmission OptiX OSN 2500 supports multiple ATM boards.

ATM boards that the OptiX OSN 2500 supports

Board Description Board Description
N1ADQ1 4xSTM-1 ATM service processing board N1ADL4 1xSTM-4 ATM service processing board
N1IDQ1, N1IDQ1A 4xSTM-1 ATM service processing board N1IDL4, N1IDL4A 1xSTM-4 ATM service processing board

RPR Boards

The OptiX OSN 2500 supports multiple RPR boards.

RPR Boards that the OptiX OSN 2500 supports

Board Description Board Description
N2EGR2 2xGE ring processing board N2EMR0 12xFE and 1xGE ring processing board

Cross-Connect Boards and System Control Boards

The OptiX OSN 2500 supports the SCC unit, cross-connect unit, and line unit integrated boards that are at different rates.

SCC unit, cross-connect unit, and line unit integrated boards that the OptiX OSN 2500 supports

Board Description
Q2CXL1, Q3CXL1 1xSTM-1 SCC unit, cross-connect unit, timing unit, and line unit integrated board
Q2CXL4, Q3CXL4 1xSTM-4 SCC unit, cross-connect unit, timing unit, and line unit integrated board
Q2CXL16, Q3CXL16 1xSTM-16 SCC unit, cross-connect unit, timing unit, and line unit integrated board
Q5CXLLN 1xSTM-16/STM-4/STM-1 SCC unit, cross-connect unit, timing unit, and line unit integrated board
Q5CXLQ41 4xSTM-4/STM-1 SCC unit, cross-connect unit, timing unit, and line unit integrated board

Auxiliary Boards

The OptiX OSN 2500 supports auxiliary boards such as the system auxiliary interface board and fan board.

Auxiliary boards that the OptiX OSN 2500 supports

Board Description Board Description
Q1SAP, Q2SAP System auxiliary processing unit N1FAN Fan board
Q1SEI Signal extended interface board

WDM Boards

The OptiX OSN 2500 supports WDM boards such as the optical add/drop multiplexing board and wavelength conversion board.

WDM boards the OptiX OSN 2500 supports

Board Description Board Description
TN11CMR2 2-channel optical add/drop multiplexing board N1MR2B 2-channel optical add/drop multiplexing board
TN11CMR4 4-channel optical add/drop multiplexing board N1MR2C 2-channel optical add/drop multiplexing board
TN11MR2 2-channel optical add/drop multiplexing board N1LWX Arbitrary bit rate wavelength conversion board
TN11MR4 4-channel optical add/drop multiplexing board N1FIB Filter isolating board
N1MR2A 2-channel optical add/drop multiplexing board

Microwave Boards

The OptiX OSN 2500 supports microwave boards such as the microwave IF board and microwave power board.

Microwave boards that the OptiX OSN 2500 supports

Board Description
N1IFSD1 Dual-port IF board
N1RPWR 6-channel ODU power board

Optical Amplifier Boards and Dispersion Compensation Boards

The OptiX OSN 2500 supports multiple optical amplifier boards.
Optical amplifier boards that the OptiX OSN 2500 supports

Board Full Name Board Full Name
N1BPA, N2BPA Optical booster and pre-amplifier board N1RPC01 Forward Raman driving board (external)
N1BA2 Optical booster amplifier board N1RPC02 Backward Raman driving board (external)
N1COA, 61COA, 62COA Case-shaped optical amplifier TN11OBU1 Optical booster amplifier board

Power Boards

The OptiX OSN 2500 supports power boards such as the UPM and power interface board.

Power boards that the OptiX OSN 2500 supports

Board Description
UPM Uninterruptible power module
Q1PIU and Q1PIUA Power interface board

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