The Dterm IP Gig Adapter is switch independent. If the standard IP terminal ITR-xx-3, ITH-3 or ITN-3 terminal operates on the switch, the adapter on the terminal will function. - Two Gigabit (10/100/1000 Mbps) Ethernet ports (RJ45 connection). - One 10/100 Mbps port for the IP Phone. - Power-over-Ethernet (PoE) for the LAN port (802.3af IEEE). - Auto selectable power source for either PoE or external DC supply. - Static QoS setting. The phone port automatically gets high priority classification. (802.1p) - Plug and Play connectivity - FCC Class A, CSA, CE certifications - All ports support MDI/MDIX