ARRIS TM604G Telephony Modem - Black. Condition is Used. 
Power cable is included.

Description:   
The TM604, the most deployed 4 line eMTA in the industry, delivers four lines of carrier-grade Voice over IP (VoIP), High-Speed Data access, and IPv6 support. An optional consumer replaceable Li-Ion battery pack ensures telephony and IP service during power outages. The TM604 maintains the same battery form factor as used in the TM602. Additionally, the TM604 offers full support for a variety of voice codecs, as well as multiple call signaling methods ? NCS, Legacy SIP, and Packet Cable 2.0 IMS. The ARRIS advanced diagnostics feature offers easy troubleshooting for Cable Operators providing unprecedented visibility and diagnostic tools to insure carrier grade voice services. Not available in retail. Please check with your service provider for availability.

DOCSISĀ® 2.0 and PacketCable? 1.1/1.5 and PacketCable 2.0 compliant design

High Speed Internet via 10/100 Base-T Ethernet

Up to four lines of carrier-grade VoIP

Support for IPv6 for both Cable Modem management and user data traffic

Simplified interoperability through PacketACE? configuration file editor

TM604G modem.