... the device temperature, etc. ( only for 8 port POE)2. The entire device or any single port reset ( only for ... VCC-) : RJ-45 pin 3,6,7,8Data (1,2,3,6)ProtocolsCSMA/CDPower supply External Power Adaptor (POE04)(100V ... -240V AC 50Hz-60Hz, DC48V/ 2.5A)Internal power adaptor (POE08)(200V-240V AC 2A ... -10°C ~+ 50°C 5%~95% Non-condensing Factory price 10/100M POE power switch 4 port