D-Link DVG-2016S, Rack mounting, Power, G.711, G.723.1, G.726, G.729A, DHCP, PPPoE, PPTP, Telnet, IEEE 802.3, IEEE 802.3u, 0.1 Gbit/s D-Link DVG-2016S. Mounting type: Rack mounting, LED indicators: Power. Voice codecs: G.711, G.723.1, G.726, G.729A. Supported network protocols: DHCP, PPPoE, PPTP, Telnet. Networking standards: IEEE 802.3, IEEE 802.3u, Data transfer rate: 0.1 Gbit/s, Supported data transfer rates: 10Mbit/s. Power requirements: 90 - 260V, 50/60Hz, Input voltage: 90 - 260 V, Input frequency: 50/60 Hz