Cisco WIC-1B-S/T-V3 ISDN BRI WAN Interface Card

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

Overview

The Cisco WIC-1B-S/T-V3 is a single-port ISDN BRI WAN Interface Card designed to expand connectivity options across a wide range of Cisco Integrated Services Routers. It allows businesses to add reliable ISDN BRI access without sacrificing other network expansion needs.

Built for mixed-media network environments, this module helps administrators optimize slot usage while maintaining stable WAN connectivity for backup, remote access, and legacy connectivity.

Key Features

• Single ISDN BRI S/T interface
• Optional NT1 support for flexible deployments
• Compact WAN Interface Card form factor
• Preserves router expansion slot capacity
• Designed for mixed-media network modules

Technical Specifications

Device Type: WAN Interface Card

Model: WIC-1B-S/T-V3

Interface: 1 × ISDN BRI (S/T)

Form Factor: Plug-in WIC

Weight: 2.4 oz

Dimensions: 0.7 × 3.1 × 4.4 in (H × W × D)

Compatibility: Cisco 1700, 1800, 2600XM, 2800, 3700, and 3800 Series Routers

Cisco Part Number: WIC-1B-S/T-V3

Use Cases

This interface card works best in branch offices and legacy network environments where ISDN BRI remains essential for WAN access or failover connectivity. It supports backup links for critical locations, remote office communications, and transitional networks migrating from ISDN to modern WAN technologies. Network administrators also deploy it to maximize router flexibility without committing full network module slots to BRI connectivity.

Why Choose Cisco WIC-1B-S/T-V3 

• Adds ISDN BRI without redesigning router hardware
• Ideal for backup and legacy WAN connections
• Optimizes expansion slot usage
• Proven compatibility across multiple Cisco router families
• Factory-sealed Cisco hardware for reliability

FAQs

What type of ISDN interface does this card support?

It supports a single ISDN BRI S/T interface, with optional NT1 functionality.

Can this card be used in mixed-media network modules?

Yes. It integrates seamlessly into mixed-media environments.

Is this suitable for backup WAN connectivity?

Yes. Many organizations use it as a reliable backup or failover WAN link.

Which Cisco routers support this card?

It is compatible with Cisco 1700, 1800, 2600XM, 2800, 3700, and 3800 Series routers.

Does it consume a full network module slot?

No. Its compact WIC design helps preserve valuable expansion space.