VWIC3-1MFT-T1/E1 Cisco 1 port T1/E1 Multiflex Trunk VWIC Card

Cisco VWIC3-1MFT-T1/E1 - Single-Port Multiflex Voice/WAN Interface Card

The Cisco VWIC3-1MFT-T1/E1 is a next-generation multiflex voice/WAN interface card that provides a single configurable port supporting T1 or E1 connectivity. Designed for Cisco Integrated Services Routers (ISR G2 and ISR 4000 Series), it enables flexible deployment of voice, data, and WAN services on a single platform. This module is ideal for enterprises and service providers seeking cost-effective, scalable integration of digital voice and WAN circuits.

🔧 Key Specifications

• Device Type: Multiflex Voice/WAN Interface Card
• Ports: 1 (configurable for T1 or E1)
• Supported Interfaces: Channelized T1/E1, ISDN PRI, and data WAN services
• Compatibility: Cisco ISR G2 (1900, 2900, 3900) and ISR 4000 Series routers
• Voice Support: Integrated voice and data over T1/E1 circuits
• Data Support: Frame Relay, PPP, HDLC, and channelized data services
• PRI Support: ISDN PRI trunking for PBX and PSTN integration
• Scalability: Multiple VWIC3 modules can be installed for higher density
• Form Factor: Internal router expansion slot
• Standards Compliance: FCC Class B, UL certified

🧩 Ideal Use Cases

• Enterprise branch offices requiring integrated voice and WAN connectivity
• Deployments needing ISDN PRI trunking for PBX integration
• Channelized data services over T1/E1 circuits
• Hybrid environments consolidating voice and data on Cisco ISR platforms

⚙️ Licensing & Expansion
The VWIC3-1MFT-T1/E1 operates as a plug-in module for supported Cisco ISR platforms. No additional licensing is required beyond standard Cisco IOS support. Expansion is achieved by adding multiple VWIC3 modules to increase port density and service flexibility.