1Power over Ethernet219" Rack Mounting3Wide Temperature Use Model YS4802GS-P8 PoE Port 48*10/100/1000Mbps PoE Port PoE Standard IEEE802.3af/at;15.4W/30W Total PWR / Input Voltage 800W (100-240V) Ethernet Port Feature 10/100/1000Base-T(X) automatic detection, full/half Duplex MDI/MDI-X adaptive Switching Capacity 56Gbps (non-blocking) Forwarding Rate 41.66Mpps MAC 8K Buffer Memory 4M Network Protocol IEEE802.3 10BASE-T; IEEE802.3i 10Base-T; IEEE802.3u 100Base-TX; IEEE802.3ab 1000Base-T; IEEE802.3z 1000base-X; IEEE802.3u 100Base-FX; IEEE802.3x. Power Supply Built in switching power supply, AC100~240V 50-60Hz Dimension (inch) 17.3 x 11 x 1.7 in Weight (lbs) 9 lb Protection IEC61000-4-2(ESD): ±8kV contact discharge, ±15kV air discharge IEC61000-4-5(Lightning protection/Surge): Power:CM±4kV/DM±2kV; Port: ±4kV Installation Method Desktop type, 19-inch 1U cabinet installation Operation TEMP / Humidity -10~+55°C:5%~90% RH non condensing 24 PoE Gigabit Switch