Cisco HWIC-1B-U ISDN BRI WAN Interface Card

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

Overview

The Cisco HWIC-1B-U is a high-speed WAN interface card designed to provide ISDN BRI U connectivity for Cisco Integrated Services Routers. It enables secure and reliable WAN communication for branch offices, remote sites, and enterprise networks that rely on ISDN infrastructure.

This module integrates directly with compatible Cisco routers, enabling organizations to expand WAN connectivity without deploying external equipment. It delivers dependable performance for data transmission, WAN backup connectivity, and remote network access, making it a trusted solution for legacy and hybrid network environments.

Key Features

• Single ISDN BRI U WAN interface port
• Supports reliable WAN connectivity over ISDN networks
• HWIC plug-in module for fast installation
• Enables backup WAN and remote connectivity
• Designed for Cisco Integrated Services Routers
• Cisco genuine hardware with enterprise-grade reliability

Technical Specifications

Manufacturer: Cisco
Model: HWIC-1B-U
Device Type: High-Speed WAN Interface Card
Form Factor: Plug-in Module
Interface Type: ISDN BRI U
Connector Type: RJ-49C
Ports: 1 × ISDN BRI WAN
Compatibility Slot: 1 × HWIC Slot
Connectivity Technology: Wired
UPC: 00882658159480

Use Cases

The Cisco HWIC-1B-U is widely used in branch offices and enterprise environments that require dependable ISDN WAN connectivity. It enables organizations to establish primary or backup WAN links, ensuring continuous communication between remote locations and the central infrastructure. Businesses deploy this module to support secure data transfer, maintain network uptime during primary link failures, and enable reliable remote access in legacy or hybrid networking environments where ISDN infrastructure remains active.

Why Choose Cisco HWIC-1B-U 

• Provides stable and secure ISDN WAN connectivity
• Ideal for backup WAN and branch office deployments
• Seamless integration with Cisco ISR platforms
• Preserves compatibility with ISDN-based infrastructure
• Trusted Cisco hardware supplied by Chicago Computer Supply

FAQs

What does the Cisco HWIC-1B-U module do?

It provides a single ISDN BRI WAN interface for Cisco routers to enable WAN connectivity.

What type of networks use this module?

It best works in branch offices and enterprise environments with ISDN WAN infrastructure.

Can this module be used for backup WAN connectivity?

Yes. It is frequently deployed as a backup WAN interface to ensure network continuity.

Is this module compatible with Cisco Integrated Services Routers?

Yes. It is best for Cisco ISR platforms that support HWIC expansion modules.

Is this a genuine Cisco product with a warranty?

Yes. It is factory-sealed Cisco hardware and includes full warranty coverage from Chicago Computer Supply.