The Netonix WISP Switch model WS-12-250-AC is designed specifically for the WISP industry with a rugged chassis and extended operating temperature range. It features a simple yet powerful user interface providing the software features WISPs need in a switch. Managed Passive POE Switch with 110 / 220 VAC 250 Watt Power Supply, (12) Gbps POE Ports, and (2) SFP Uplink Ports. Highest density of PASSIVE POE ports per cubic inch on the market for those small equipment boxes. The only switch line on the market that can deliver 1.5A of 24V or 48V on all 4 pairs (24VH and 48VH). The only switch line on the market that has current sensors on all passive POE ports.