Sterling PoE Power Supplies are ideal for PoE injectors or switches that need 24V including IP cameras, IP phones, Wi-Fi APs, and 802.3af devices, for use in remote offices, dorm rooms, and hotel rooms. Strongly-built 8 - 56V 30 - 120W power supply with AC cord comes with 7 different options. Its 6 to 16-port rackmount PoE Injector with 650mA per port takes power from the power supply and adds it to the Ethernet data cable (Cat5, Cat5e, Cat6) to your device, powering up to 600ft. from the PoE device. PoE Texas EdgePower 24V, 72W is a UNMS monitored and managed DC power supply with integrated 12V battery backup. Created for a 24V power system, its DIN Rail UPS can back-up up to 40A of current while the 20A redundancy module is used for the redundant operation of the 24V system. ISP Supplies is a certified distributor of PoE Texas offering its certified PoE Power Supplies at cost-efficient prices.