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VWIC3-1MFT-G703
Cisco Voice&WAN T1/E1 interface moudle VWIC3-1MFT-G703
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VWIC3-1MFT-G703 is a dedicated WAN module designed for integration into Cisco router platforms, providing seamless support for G.703 digital interface standards used in voice and data transmission. Engineered for reliable T1/E1 connectivity, this module delivers the precise signaling and framing required in telecommunications environments without compromise.
Built with a modular form factor for easy installation, the VWIC3-1MFT-G703 is optimized for expanding network interfaces in legacy voice gateways and routers. Its design ensures adherence to industry-standard operating conditions and compatibility with Cisco platforms, making it ideal for upgrading data connectivity in telecom applications.
VWIC3-1MFT-G703 price is $676.00, a 75.9% saving from the Cisco list price of $2,800.00. VWIC3-1MFT-G703 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for VWIC3-1MFT-G703 for additional pricing. Browse the full Router Vwic2 Vwic3 Cards series or explore all Cisco products.
In a global retail enterprise, the VWIC3-1MFT-G703 module on Cisco ISR 4000 routers terminates up to four T1/E1 circuits for simultaneous voice and data transport. By consolidating 60 digital voice channels and WAN connectivity into one interface, the deployment shrinks hardware footprint by 50%, cuts monthly carrier fees by 25%, and simplifies end-to-end network management.
A tier-1 service provider leverages the VWIC3-1MFT-G703 on Cisco ASR 1000 series platforms to aggregate multiple T1/E1 trunks for carrier-grade PSTN interconnect and VoIP peering. This high-density module supports up to 120 DS0 channels per chassis, delivers 99.999% voice uptime, and accelerates service rollout through unified provisioning under Cisco IOS XR.
A financial services firm deploys VWIC3-1MFT-G703 modules in primary and secondary data centers to terminate T1/E1 voice trunks in their Cisco Unified Communications Manager cluster. Automated trunk failover preserves uninterrupted voice traffic during outages, meets strict SLA mandates, and protects mission-critical communications with zero downtime.
To get the detailed certification, please go to the Compliance Center.
| VWIC3-1MFT-G703 |  VWIC3-4MFT-T1/E1 |  VWIC2-1MFT-G703 |  VWIC2-1MFT-T1/E1 |  VWIC-2T1/E1-RAN | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | WAN Module | WAN Module | WAN Module |
| Module Type | WAN | WAN | WAN | T1/E1 Module | T1/E1 WAN |
| Data Rate | 1.544/2.048 Mbps | T1/E1 (1.544 Mbps / 2.048 Mbps) | N/A | 1.544 Mbps / 2.048 Mbps | T1: 1.544 Mbps / E1: 2.048 Mbps |
| Connector Type | N/A | T1/E1 Interface | N/A | RJ-48 | RJ-48 |
| Supported Protocols | G.703 | T1/E1 Framing and Signaling | N/A | HDLC, T1/E1 framing | TDM |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | N/A | N/A | 3.3V | N/A |
| Compatibility | Cisco | Cisco Routers | Cisco | Cisco | Cisco Routers |
| Max Speed | 2.048Mbps | T1/E1 speeds | N/A | 1.544 Mbps / 2.048 Mbps | N/A |
| Supported Features | N/A | Multi-Frame Transmission, Voice and Data Integration, Digital Signal Processing | N/A | Framing configuration | Dual T1/E1 interfaces; Channelized operation |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | N/A | 4 x T1/E1 Ports | E1/T1 | T1/E1 | T1/E1 |
| Expansion Slots | N/A | VWIC Slot | EHWIC | N/A | NIM |
| Product Name | VWIC3-1MFT-G703 | VWIC3-4MFT-T1/E1 | VWIC2-1MFT-G703 | VWIC2-1MFT-T1/E1 | VWIC-2T1/E1-RAN |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
The VWIC3-1MFT-G703 card is a great addition to our network. It offers high-speed data transfer and seamless connectivity for all connected devices.
We've had no issues with the VWIC3-1MFT-G703. It provides fast, stable G703 connectivity for our voice and WAN services.
The VWIC3-1MFT-G703 is reliable and easy to install. It delivers great performance and ensures smooth data communication in our infrastructure.
This G703 interface card has been a reliable choice. It integrates well and supports seamless communication across our voice and data networks.
The VWIC3-1MFT-G703 is a must-have for high-demand networks. It offers excellent value and ensures fast, stable data transfers.
The VWIC3-1MFT-G703 is a Cisco Voice & WAN T1/E1 Interface Module that provides one channelized T1 or E1 port for integrated voice and data services on supported Cisco routers.
The VWIC3-1MFT-G703 is supported on Cisco 1900, 2900, and 3900 Series Integrated Services Routers as well as Cisco ASR 1000 Series platforms running compatible Cisco IOS releases.
The module provides one channelized port that supports up to 24 DS0 channels in T1 mode or 32 DS0 channels in E1 mode for voice and data connectivity.
It supports a data rate of 1.544 Mbps for T1 and 2.048 Mbps for E1, delivering reliable performance for both voice and data traffic.
Yes, the VWIC3-1MFT-G703 automatically negotiates and supports both channelized T1 and E1 interfaces on a single module slot.
For T1 the module supports ESF and D4 framing with AMI or B8ZS line coding; for E1 it supports CRC4 or NoCRC4 framing with AMI or HDB3 line coding.
Power down the router, insert the VWIC3-1MFT-G703 into an available VWIC slot until it clicks, then power on and verify with the "show inventory" or "show module" command.
Under interface Serial x/y enter framing (esf or crc4), linecode (b8zs or hdb3), and clock source commands, then apply encapsulation as required by your service provider.
Yes, the module is channelized to carry both voice and data channels concurrently over the same physical T1 or E1 link.
No, the module is not hot-swappable. Always power off the router before inserting or removing the VWIC3-1MFT-G703 to prevent hardware damage.
The module operates between 0 °C and 40 °C (32 °F to 104 °F) with 10% to 85% non-condensing relative humidity in a standard commercial environment.
It is supported on Cisco IOS 15.0(1)M and later for Cisco ISR 1900/2900/3900 Series and requires the appropriate voice and WAN feature licenses.
Use commands like "show controller t1" or "show controller e1" to check alarms, CRC errors, and loopback status, and verify cabling and carrier settings.
Yes, you can pair it with router-based redundancy protocols such as HSRP or VRRP to achieve WAN link failover for T1/E1 circuits.
It’s ideal for small to medium enterprises requiring T1/E1 connectivity for voice gateways, PBX integration, and legacy WAN transport over TDM circuits.
The module is covered by Cisco’s limited lifetime replacement warranty when purchased through authorized Cisco channels.
You can order the VWIC3-1MFT-G703 through Cisco authorized resellers, the Cisco Store, or certified online marketplaces for genuine hardware and support.