Huawei SSR2AUX is a system auxiliary interface board for Huawei OSN1500B. The AUX can be used on the OptiX OSN equipment series to provide various management interfaces and auxiliary interfaces.
Huawei SST1IXCSA is an infinite cross-connect and synchronous timing board, that provides service grooming and clock input/output functions in the OptiX OSN 7500 system.
Huawei SST1PSXCSA Board is a super dual planar crossover clock board for OSN Series and provides functions such as service scheduling and clock input and output in the OptiX OSN system.