... size, high capacity, 2 built-in PONs in main board, supports 8 PONs by 4 hot-swappable slots, full load ... power in, builds dual power redundant hot backup with -48Vdc on main board.l Hardware features Equipment parametersDimension440mm (W) * 385mm (D) ... support maximum 14 aggregation groups, support port mirroring based on output interfaceVLANSupport IEEE 802.1Q VLAN, support 4K concurrent ...