null
Cisco Systems

Cisco WIC-1B-U ISDN BRI U WAN Interface Card 800-01834 73-7542-01 Router

(No reviews yet) Write a Review
SKU:
37158
MPN:
WIC-1N-U
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
2.00 LBS
Shipping:
Calculated at Checkout
  • Cisco WIC-1B-U ISDN BRI U WAN Interface Card 800-01834 – angled top view showing PCB components and front bracket
  • Cisco WIC-1B-U ISDN BRI U WAN Interface Card – reverse PCB view showing power components, transformer, and edge connector
  • Cisco WIC-1B-U front bracket close-up showing RJ-45 ISDN BRI U port, B1/B2 channel indicators, NT1 label, and installation notice
  • Cisco WIC-1B-U PCB detail showing main controller ICs, capacitors, and WIC edge connector
$20.00
Was: $50.00
Current Stock: 11

Sold Out

Description

Cisco WIC-1B-U ISDN BRI U WAN Interface Card 800-01834 73-7542-01 Router

This is an ISDN BRI U WAN Interface Card (WIC) module for Cisco routers. It provides a single ISDN BRI U interface with built-in NT1 termination, delivering 2 Bearer channels and 1 Data channel for ISDN connectivity.

Specifications & What's Included

  • Model: WIC-1B-U (MPN 800-01834, Secondary 73-7542-01)
  • Interface: 1 x RJ-45 ISDN BRI U port with built-in NT1
  • ISDN Channels: 2B+1D
  • Compatible with Cisco 1700, 2600, 2600XM, 3600, 3700 series routers
  • Form Factor: WIC module with bracket
  • Card only — no cables or documentation included

Applications

ISDN BRI U WAN interface cards were standard for branch office and remote router connectivity in the 1990s and 2000s. This module plugs into Cisco modular routers to add ISDN circuit connectivity for backup WAN links or primary connectivity in areas where broadband was unavailable. ISDN BRI U is the European standard variant with integrated NT1 termination.

Condition: Used
This Cisco WIC-1B-U ISDN BRI U WAN Interface Card (MPN 800-01834) was pulled from a working environment where it was in active use. It has been inspected and appears to be in good condition. The PCB looks clean with no visible damage, the RJ-45 ISDN port appears intact, and the front bracket and mounting hardware are present. Normal light handling wear is visible on the board. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
View AllClose

Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
View AllClose

Additional Information

Brand:
Cisco
Model:
WIC-1B-U
MPN:
800-01834
Secondary Model:
73-7542-01
SKU:
37158
Type:
ISDN BRI U WAN Interface Card (WIC)
Interface Type:
ISDN BRI U (NT1 built-in)
Number of Ports:
1 x RJ-45 ISDN BRI U port
Connector Type:
RJ-45
Compatible With:
Cisco 1700, 2600, 2600XM, 3600, 3700 series routers
Form Factor:
WIC (WAN Interface Card) module
Protocol:
ISDN BRI
NT1 Included:
Yes — built-in NT1 (U interface)
ISDN Channels:
2B+1D (2 Bearer channels + 1 Data channel)
Condition:
Used – Pulled from Working Environment
Seller Notes:
Card only; no cables or documentation included
Country/Region of Manufacture:
Taiwan
Condition Notes:
Cisco WIC-1B-U ISDN BRI U WAN Interface Card (800-01834) pulled from a working environment and inspected. PCB is clean, RJ-45 port intact, bracket present. Good used condition. Card only — no cables included.
View AllClose