Cisco VWIC3-2MFT-G703 2-Port G.703 Multiflex Trunk Voice/WAN Interface Card
Model Name : VWIC3-2MFT-G703
Brand : Cisco
Key Features:
- 2 T1/E1 ports: One unframed G.703, one framed G.704 (T1 or E1)
- Voice Support: PRI, CAS, R2 signaling for PBX/PSTN connectivity
- Data Support: HDLC, Frame Relay, PPP, MLPPP protocols
- Integrated CSU/DSU: No external hardware required
Channelized & Unchannelized modes - Drop-and-insert support: Mix voice and data over a single trunk
- Up to 48 T1 / 62 E1 voice channels
- Hot-swappable: For supported Cisco ISR platforms
- Compatible with: Cisco 1900, 2900, 3900 Series ISR routers
- Ideal for: Voice trunking, legacy PBX integration, WAN backup links, and VoIP migration
30 days Warranty
Condition : Refurbished
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- Description
- Specification
- Reviews
Cisco VWIC3-2MFT-G703 is a third-generation 2-port Multiflex Trunk Voice/WAN Interface Card, supporting both unframed G.703 and framed G.704 (T1/E1) connections.
It is ideal for organizations transitioning from traditional TDM to IP networks, offering both voice (PRI, CAS) and data (HDLC, PPP, Frame Relay) connectivity.
This module is compatible with Cisco ISR 1900, 2900, and 3900 Series routers and includes an integrated CSU/DSU for simplified deployments.
FAQ – Frequently Asked Questions for Cisco VWIC3-2MFT-G703
Q1: What is the difference between G.703 and G.704?
A: G.703 supports unframed E1 lines, while G.704 supports framed lines for channelized applications like PRI or CAS.
Q2: Can I use this card for both voice and data?
A: Yes. It supports voice (PRI, CAS) and data (HDLC, Frame Relay, PPP).
Q3: Does it require an external CSU/DSU?
A: No, it has an integrated CSU/DSU.
Q4: Which Cisco routers are compatible?
A: Cisco ISR 1900, 2900, and 3900 series routers.
Q5: What are typical use cases?
A: PSTN access, PRI trunking, voice/data over leased lines, and branch WAN integration.
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