The CVD31T is fully compliant with DOCSIS 3.0 and is backwards compatible with DOCSIS 2.0, 1.1 and 1.0. It incorporates QoS for high real time VoIP and Video performance.
The modem delivers customer data through one 10/100/1000 Ethernet LAN port and one USB 2.0 Client port. The CVD31T is fully compliant with DOCSIS 3.0 for remote management and provisioning. Post-installation, it is easily managed with SNMP.
| CVD31T Features | |
| General | |
| Availability: | discontinued |
| LAN / WAN Connectivity | |
| WAN throughput: |
152 Mbps |
| WAN throughput upstream: |
108 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: |
 |
| USB port(s): |
1 for client PCs |
| USB port type: | USB 2.0 |
| RJ-11 FXS VoIP phone ports: | 2 |
| Router | |
| NAT routing: |
|
| Multihomed: |
|
| Port forwarding: |
|
| Port triggering: |
|
| DHCP server: |
|
| DHCP client: |
|
| DNS proxy: |
|
| UPnP: |
|
| Routing Protocols: |
RIP v1 (static routing, RFC 1058) RIP v2 (dynamic routing, RFC1389) |
| Cable Modem | |
| DOCSIS compliance: |
DOCSIS 1.0 DOCSIS 1.1 DOCSIS 2.0 DOCSIS 3.0 |
| VoIP | |
| VoIP Protocols: | T.38 (Fax over IP) |
| VoIP Audio Codecs: |
G.711 (PCM) G.723.1 G.726 G.728 G.729 (a/b) |
| VoIP Voice Features: |
Echo Cancellation (G.165/G.168) Adaptive Jitter Buffer 3-way conferencing Caller ID Call transfer Call forward Voice Activity Detection (VAD) Voicemail |
| VPN | |
| IPSec | |
| IPSec passthrough: |
|
| PPTP | |
| PPTP passthrough: |
|
| Device Management | |
| Default IP address: | 192.168.0.1 |
| Default admin username: | admin |
| Default admin password: | password |
| Administration: |
Web-based (LAN) Remote configuration (WAN) Quick Setup Wizard Telnet / CLI SSH TFTP (RFC 1350) |
| Firmware upgradeable: |
|
| Configuration backup/restore: |
|
| Event log: |
|
| Misc hardware info | |
| SNMP support: | SNMP v.2 |
| NTP client: |
|
| Links | |
| Product page: | http://netgear.com/ |
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