Cisco T1 WAN Interface Card WIC-1DSU-T1-V2

BRAND NEW. FULL CISCO WARRANTY INCLUDED. MANUFACTURED BY CISCO. FROM CHICAGO COMPUTER SUPPLY

Overview

The Cisco WIC-1DSU-T1-V2 WAN Interface Card provides integrated T1 and fractional T1 connectivity for Cisco branch and enterprise routers. It combines a fully managed CSU/DSU and WAN interface into a single, compact module, eliminating the need for external line-interface equipment and simplifying deployment.

As an enhanced version of the original WIC-1DSU-T1, this module supports additional features while maintaining proven reliability and performance. It enables organizations to connect remote offices, extend WAN infrastructure, and maintain circuit-based connectivity while reducing hardware complexity and improving operational efficiency.

Key Features

• Integrated CSU/DSU for T1 and fractional T1 connectivity
• Supports N × 64 kbps or N × 56 kbps data rates
• Wet T1 support for extended deployment flexibility
• Fully managed interface with built-in diagnostics
• Plug-in WIC form factor for simple installation
• Designed for Cisco Integrated Services Routers

Technical Specifications

Device Type: WAN Interface Card
Model: WIC-1DSU-T1-V2
Interface: 1 × T1 / Fractional T1 WAN
Integrated Functions: CSU/DSU
Data Rates: N × 64 kbps or N × 56 kbps (N = 1 to 24)
Form Factor: Plug-in Module
Standards Compliance: ANSI T1.403, AT&T Publication 62411
Dimensions: 0.8 in × 3.1 in × 4.8 in
Manufacturer: Cisco
UPC: 882658028472

Use Cases

The Cisco WIC-1DSU-T1-V2 works best in branch offices, enterprise WAN environments, and service-provider-connected locations that rely on T1 or fractional T1 circuits. It enables secure communication between headquarters and remote sites while supporting mission-critical applications, including voice, data transfer, and remote system access. Organizations deploy this module to maintain legacy WAN infrastructure, simplify circuit management, and ensure reliable connectivity without the need for external CSU/DSU devices.

Why Choose This Module

• Eliminates the need for external CSU/DSU hardware
• Improves reliability by reducing failure points
• Supports flexible fractional T1 bandwidth scaling
• Preserves investment in existing T1 infrastructure
• Trusted Cisco hardware for enterprise WAN deployments

FAQs

What does the WIC-1DSU-T1-V2 provide?

It provides a fully integrated T1 and fractional T1 WAN interface with built-in CSU/DSU functionality.

What is the benefit of an integrated CSU/DSU?

It simplifies deployment, reduces hardware complexity, and allows unified management through the router.

Does this module support fractional T1 connections?

Yes. It supports configurable fractional T1 bandwidth using N × 64 kbps or N × 56 kbps channels.

Which routers are compatible with this module?

It is compatible with several Cisco Integrated Services Routers, including 1the 700, 2600XM, and 3700 series. 

Is this a genuine Cisco product with a warranty?

Yes. It is genuine Cisco hardware, factory-sealed, and includes full Cisco warranty coverage.