Relationship between Huawei SLD64 board feature codes and optical interface types and optical interface indicators Board Feature Code Optical interface type description SSN1 SLD6401?SSN4SLD6401 01 1-64.1 2km STM-64 dual-fiber bidirectional optical interface SSN1SL D6402? SSN4SLD6402 02 |S-64.2b 40km STM-64 dual-fiber bidirectional optical interface SSN4SLD6403 03 P1L1-2D2 80km STM-64 dual-fiber bidirectional optical interface Huawei SSN4SLD6402 Board Product Overview Huawei SSN4SLD6402 Board is 2xSTM-64 optical interface board (SLD64 for short) supports receiving and sending 2 STM-64 optical signals, overhead processing and multiplex section protection and other functions and features. The Huawei SLD64 board consists of a photoelectric conversion module, a MUX / DEMUX module, an SDH overhead processing module, a logic control module, and a power module. Huawei SSN4SLD6402 Board is a line board, which can be used to receive and send 2 STM-64 optical signals on OptiX OSN7 500 / 0SN3500 series devices. Through this board, Huawei SLD64 sends the received optical signal to the crossover side after O / E conversion, and sends the electrical signal at the crossover side after E / O conversion. SDH line boards can form a ring network or a chain network in the system.
