... .Rich uplink interfaces 4.Good scalability 5.High density V1600C 1U Height OLT Special Features1. Highest integration level in industry, 1U ... switch whichever power broke down, no service interruption.5. Hot-swappable components, all PON/Ethernet interfaces, module/card in ... module supports 220Vac power in, builds dual power redundant hot backup with -48Vdc on main board.Hardware feature Equipment ...