2x Lockable 5-pin terminal blocks for PoE power input (all models) 2x Lockable 3-pin terminal blocks for DC power input (DC models) 1-2x AC power input (1x for non-redundant/-MR models; 2x for -R mod

L2 Switch Core, 4x10G SFP Uplinks, 3 Module Slots, 1x 100~220 VAC;2x 48~57 VDC PoE pwr input

L2 Switch Core, 4x10G SFP Uplinks, 3 Module Slots, 2x 48~57 VDC Poe power input,2x 48~57 DC CPU

L2 Switch Core, 4x10G SFP Uplinks, 3 Slots, 1x 100~220VAC, 1x 48~57 VDC in; 2x 48~57VDC PoE in

L2 Switch Core, 4x10G SFP Uplinks, 3 Module Slots, 2x 100~220VAC; 2x 48~57VDC PoE input

L2 Switch Core, 4x1G SFP Uplinks, 3 Module Slots, 1x 100~220 VAC; 2x 48~57 VDC PoE power input

L2 Switch Core, 4x1G SFP Uplinks, 3 Module Slots, 2x 48~57 VDC Poe power input, 2x 48~57 DC CPU