SSR1PIU is the power interface board for Huawei OSN1500B, provide power supply, lighting protection function and filtering function. -48V DC input, Part number is 03020GNW, 1+1 redundancy configuration as default. Provides the lightning protection function and reports the alarm indicating the failure of the lightning protection module. Provides one 50 W power interface for external devices. Provides –48 V ± 20% voltage for the FAN. Enhances the electromagnetic compatibility of the system. Provides 75-ohm clock input and output interfaces, and protects clock signals. Reports the board in-service alarm. Supports 1+1 hot backup.
