Product Name Huawei TSB8 Part Numbe TSB8 Manufacture HUAWEI Application SDH Condition New Board Description Board Description N1SL64, N2SL64, N4SL64 1xSTM-64 optical interface board N1SLD4, N2SLD4 2xSTM-4 optical interface board N1SF64, N1SF64A, N4SF64 1xSTM-64 optical interface board (with the forward error correction (FEC) function) N1SLD4A 2xSTM-4 optical interface board N1SLD64and N4SLD64 2xSTM-64 optical interface board N1SLT1 12xSTM-1 optical interface board12xSTM-1 optical interface board 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 N1SLD16 2xSTM-16 optical interface board N1SL1, N2SL1 1xSTM-1 optical interface board N1SLQ16, N2SLQ16, N4SLQ16 4xSTM-16 optical interface board N1SL1A 1xSTM-1 optical interface board N1SF16 1xSTM-16 optical interface board (with the out-band FEC function) N1SLH1 16xSTM-1 signal processing board N1SLO16 8xSTM-16 optical interface board N1SEP1 2xSTM-1 line processing board when the interfaces are available on the front panel 8xSTM-1 line processing board when the interfaces are available on the corresponding interface board N1SL4, N2SL4, N1SL4A 1xSTM-4 optical interface board N2SLO1, N3SLO1 8xSTM-1 optical interface board N1SLQ4, N2SLQ4, N1SLQ4A 4xSTM-4 optical interface board N3SLQ41 4xSTM-4/STM-1 optical interface board N1EU08 8xSTM-1 electrical interface board N1OU08 8xSTM-1 optical/ electrical interface board (LC) N2OU08 8xSTM-1 optical interface board (SC) N1EU04 4xSTM-1 electrical interface board
