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Cisco

Cisco VWIC3-2MFT-T1-E1 | 2xT1/E1 Multiflex Trunk (MFT) Voice/WAN Interface Card | Channelized | Data/Voice

SKU:VWIC3-2MFT-T1-E1

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Description

Dual-port T1/E1 Multiflex Trunk interface card adding flexible voice and data WAN connectivity to compatible ISR platforms. Supports channelized operation for PRI/CAS, data framing, and clocking options, enabling branch voice trunks or routed WAN services. Ideal for PSTN interconnect, PBX integration, or legacy TDM WAN migration scenarios.

Features

- Two flexible T1/E1 ports on a single card
- Channelized operation for granular timeslot control
- Supports voice trunks (PRI/CAS) and routed data services
- Selectable framing and line coding options
- Ideal for PBX integration and PSTN interconnect

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Which router platforms support this card?
A: It is supported on ISR G2 platforms (1900/2900/3900) and select ISR 1800/2800/3800 models with appropriate IOS; always confirm in the hardware compatibility list.

Q: Can it be used for both voice and data?
A: Yes, it supports channelized T1/E1 for voice (PRI/CAS) and data services, subject to IOS features and DSP resources.

Q: What connector type is used?
A: Each port uses an RJ-48C interface for T1/E1.

Q: Does it include DSP resources?
A: No, DSP resources are provided by the host router (e.g., PVDM modules) when required for voice features.

Technical Specifications

- Interfaces: 2x T1/E1 Multiflex Trunk (RJ-48C)
- Modes: T1 or E1 selectable; channelized operation
- Voice: Supports PRI/CAS for PBX/PSTN connectivity (platform/IOS dependent)
- Data: Frame Relay/PPP and routed WAN options (IOS dependent)
- Framing: SF/ESF (T1), CRC4 (E1) and related options
- Line coding: B8ZS (T1), HDB3 (E1)
- Clocking: Network or internal
- Platforms: Compatible with ISR G2 (1900/2900/3900) and select ISR 1800/2800/3800 models (check compatibility matrix)
- Connectors: RJ-48C for T1/E1
- Use case: Branch voice trunks, PBX interconnect, legacy TDM WAN

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