HUAWEI PIUB SSN1PIUB 03020TLF OSN3500 and OSN7500 Power interface unit Product Desription: HW SSN1PIUB Board is a power interface board, which mainly provides a power input interface for Opt Ix OSN 3500 devices. The PIUB board can be inserted in slot 27 and slot 28 of the subrack. PIUB board indicators include mechanical indicators, power consumption, and input voltage. Provides the lightning protection function and reports the alarm that indicates a surge protection failure. Reports the board in-position alarm. Supports 1+1 hot backup. Any one PIUB can supply power to an entire subrack. SSN1PIUB is the power interface board for HW OSN3500 and OSN 7500, provide power supply, lighting protection function and filtering function. -48V DC input, Part number is 03020TLF, 1+1 redundancy configuration as default. Specification: Panel interface Screen printing Interface type Purpose PWR RTN(+),NEG(-) Double OT terminal Provide an interface for 48V / -60V DC power input PWS PS1,PS2 Four-core socket Provide two 50W power output, can supply power for COA front view Pin Purpose NO. 1 48V/-60V 2 48V/-60V 3 Ground 4 Undefined Product details: If you are interested, please let us know the specific model. We will provide the best service and the best price! Pr