Industrial 2-Port Gigabit+2*SFP Unmanaged Switch(12-48V) UTP7202GE-POE Datasheet Manual Firmware ADVANTAGESProvide 2*10/100/1000Base-T Ethernet port and 2*1000Base-X SFP slots.Support max 200 meters of transmission distance with auto speed reduction.Support one-key fast ring, with self-healing time in 20ms.Support one-key broadcast storm prevention (BSP), preventing crash of the switches.Support one channel relay alarm output, fanless, wave metal shell, low power consumption design.Support installation of DIN rail and wall mounted, adapting to a variety of environments.Support IEEE802.3af/at, max PoE power output for single port is up to 30W.Support wide voltage input range from DC 12V to DC 48V.Support PoE watchdog, auto reboot the connected failure PD devices