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Description
The Cisco Fourth-Generation T1/E1 Multiflex Trunk Voice and WAN Network Interface Modules (NIMs) support data and voice applications on the Cisco 4451-X integrated services routers. These cards combine WAN-interface-card (WIC), voice-interface-card (VIC), ISDN Primary Rate Interface (PRI), dial-access integration, and channelized-data (CE1T1) functions to provide unparalleled flexibility, versatility, and investment protection through their many uses. Customers who choose to integrate data and voice in multiple steps preserve their investment in a T1/E1 WAN interface. The T1/E1 modules contain an onboard Cisco Packet Voice Digital Signal Processor Module 4 (PVDM4) slot, which requires a fourth-generation PVDM4 module. A PVDM4 on the T1/E1 module is necessary for the voice features. The PVDM4 also provides for echo cancellation of up to 128-ms echo-tail length for demanding network conditions.
Specifications
| Product Description | 2 port Multi-flex Trunk Voice/Channelized Data T1/E1 Module |
| Number of Ports | 2 |
| Clear-Channel Data | Yes |
| MFT Packet Voice | Yes |
| Unstructured E1 (G.703) Support | Yes |
| Channelized Data | Yes |
| Dimensions (H x W x D) | 1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) |
| Weight | 0.42 lb (191g) |
| Environmental | Operating temperature: 0 to 50C (32 to 122F)
Storage temperature: -20 to +65C (-4 to 148F) Relative humidity: 10 to 85% noncondensing operating; 5 to 95% noncondensing, nonoperating |
| T1 Compliance (partial list) | TIA-968-A
CS-03 Jate ANSI T1.403 |
| E1 Compliance (partial list) | TBR4, TBR12, and TBR13
ITU-T G.703, G.704, G.823, and I.431 S016 (Australia) |
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