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Cisco

Cisco VWIC3-4MFT-T1-E1 | 4x T1/E1 MFT RJ-48C, Nx64k channelized, ISDN PRI/PPP/FR; T1 ESF/B8ZS | E1 CRC4/HDB3; EHWIC for ISR G2

SKU:VWIC3-4MFT-T1-E1

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Description

Add four flexible T1/E1 trunks to ISR G2 routers with a third‑gen Multiflex Trunk card. Use for data (PPP/Frame Relay/HDLC) or voice (ISDN PRI/CAS) with channelized Nx64 kbps services and robust clocking options. Designed for reliable branch WAN and voice trunk aggregation in a single slot.

Features

- Four independent T1/E1 trunks in a single slot
- Flexible data and voice deployment on the same hardware
- Channelized Nx64 kbps for fractional services
- Robust clocking options for telco interoperability
- Investment protection with third‑generation VWIC performance

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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Technical Specifications

Technical Specifications

- Ports: 4 x T1/E1 (RJ-48C, balanced 120Ω)
- Line rates: T1 1.544 Mbps; E1 2.048 Mbps
- Channelization: Nx64 kbps (T1: up to 24 timeslots; E1: up to 31 timeslots)
- Framing/coding: T1 ESF/SF with B8ZS/AMI; E1 G.704 with CRC4, HDB3
- Protocols: PPP, MLPPP, Frame Relay, HDLC; Voice: ISDN PRI/CAS (requires router DSPs)
- Modes: Data (WIC) and Voice (VWIC) operation
- Clocking: Line or internal
- Connector: RJ-48C (120Ω); 75Ω E1 via external balun (optional)
- Form factor: VWIC3/EHWIC
- Platform support: Designed for ISR G2 1900/2900/3900 series (check specific router compatibility)
- Serviceability: Online Insertion and Removal (OIR) on supported platforms

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