Technicolor DCM476 - Digital Cable Modem DOCSIS 3.0 (w/updated STAC 2.50 firmware) DOCSIS 3.0 certified (As of 10/9/2013 all modems ship with Stac 2.50 firmware) 1 Gigabit Ethernet Port Reliable high-performance platform Advanced power management and power control Supports IPv4 and IPv6 (No telephone Jack)