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Arris Touchstone TM822G

details: DOCSIS 3.0 8x4 Ultra-High Speed Telephony Modem
hardware type: Cable Modem
date added: 2011-10-27
updated: 2017-07-30
The TM822G is a DOCSIS 3.0/ EuroDOCSIS 3.0 cable modem with VoIP capabilities. It allows downstream speeds of up to 300Mbps.

This modem supports loop diagnostics for remote testing and troubleshooting of in-house wiring. It provides a variety of VoIP features, such as Adaptive Jitter Buffer and Echo Cancellation.

The TM822G Telephony Modem may optionally include a Lithium-Ion battery to provide
backup in the event of a local power loss. The battery backup is not intended to take the place of AC power.
 Touchstone TM822G Features
 Availability: discontinued
 LAN / WAN Connectivity
 WAN throughput: 343 Mbps
 WAN throughput upstream: 122 Mbps
 WAN ports: 1
 WAN port(s) type: Coax F-connector
 LAN ports: 1
 LAN ports type: Gigabit Ethernet (RJ-45)
 LAN ports auto cross-over: yes
 RJ-11 FXS VoIP phone ports: 2
 Cable Modem
 DOCSIS compliance: DOCSIS 3.0
EuroDOCSIS 3.0
 DOCSIS channels (down x up): 8x4 (304 Mbit/s)
 PacketCable: PacketCable 1.0/1.1 (VoIP)
PacketCable 1.5 (VoIP)
 VoIP Protocols: SIP v2 (RFC 3261)
 VoIP Audio Codecs: G.711 (PCM)
 VoIP Voice Features: Echo Cancellation (G.165/G.168)
Adaptive Jitter Buffer
 Device Management
 Default IP address:
 Administration: Web-based (LAN)
 Firmware upgradeable: yes
 Diagnostic functions: yes
 Misc hardware info
 Chipset: Intel Puma 5
 Product page:

Please use the Add Comment function below to review devices you have used (please be descriptive). If you find an error in our database, or have additional information about the product, please
  User Reviews/Comments:
by anonymous - 2013-03-05 15:36
does this modem have firewall settings?
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