ISFG42 is 4 ports PoE switch for DIN rail, without power supply unit, dedicated to supply IP cameras in IEEE 802.3af/at. standard. Automatic detection of any devices powered in PoE/PoE+ standard is enabled at 1 – 2 ports of switch. Power supply: 12÷57VDC (possibility of redundant supplying). Number of ports: 4 ports (2xPoE + 2xSFP). PoE supply: 2 ports 10/100/1000 Mb/s – IEEE 802.3af/at, 48÷57VDC / 30W/port (PoE+). Outlets: SFP UPLINK: 2 ports 10/100/1000 Mb/s – for recorder / switch / computer installation. Dimensions: W=30, H=128, D=112 [+/-2mm]. 30W/port – maximum power of a single PoE port. 50W – maximum total power for all PoE ports. supported protocols and standards: IEEE802.3, 802.3u, 802.3x, CSMA/CD, TCP/IP. Port sockets: RJ45, SFP. Surface mounted DIN – color black RAL 9005. Possibility of redundant power supply. Power supply unit is not included. Recommended: NDR-75-48.