VWIC3-1MFT-T1/E1 Multiflex Voice WAN Interface Card for ISR Routers
Product Overview
The Cisco VWIC3-1MFT-T1/E1 is a single-port, multiflex voice/WAN interface card that supports both T1 and E1 networks. It is designed to integrate data, voice, and video in a single branch-office router, making it ideal for scalable WAN deployments and unified communications. This card offers flexibility by allowing dynamic configuration of T1 or E1 operation modes without hardware replacement.
Product Features
Supports both T1 and E1 network interfaces with software-configurable selection
Designed for Cisco ISR and ISR G2 router platforms
Provides voice, video, fax, and data integration over IP networks
Supports channelized and unchannelized modes
Compatible with multiple Cisco voice gateway applications
Simplifies WAN connectivity with a single hardware SKU
Product Specifications
| Specification | Detail |
| Product Model | VWIC3-1MFT-T1/E1 |
| Interface Type | Multiflex Voice/WAN T1/E1 |
| Port Count | 1 Port |
| Supported Modes | T1, E1 |
| Form Factor | Cisco VIC/WIC Slot Compatible |
| Channel Support | Up to 24 channels for T1, 30 for E1 |
| Compatibility | Cisco 1900, 2900, 3900 ISR routers |
| Application | Voice Gateway, Data WAN, Video Conferencing |
| Software Configurable | Yes (T1 or E1 mode via IOS command) |
Similar Models Comparison Table
| Model | Ports | Interface Type | Supported Modes | Platform Compatibility |
| VWIC3-1MFT-T1/E1 | 1 | T1/E1 | T1, E1 | ISR G2 Routers |
| VWIC3-2MFT-T1/E1 | 2 | T1/E1 | T1, E1 | ISR G2 Routers |
| VWIC2-1MFT-T1/E1 | 1 | T1/E1 | T1, E1 | ISR Routers |
| VWIC2-2MFT-T1/E1 | 2 | T1/E1 | T1, E1 | ISR Routers |
| NM-HDV2-2T1/E1 | 2 | T1/E1 | T1, E1 | NM Slot Routers |
Latest Models in the Same Series
| Model | Ports | Interface Type | T1/E1 Support | Enhanced Features |
| NIM-1MFT-T1/E1 | 1 | T1/E1 | Yes | For Cisco ISR 4000 Series |
| NIM-2MFT-T1/E1 | 2 | T1/E1 | Yes | High-Density Support |
| NIM-4MFT-T1/E1 | 4 | T1/E1 | Yes | Advanced DSP Support |
