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Home Networking Router, Security, NPB Routers Cisco WIC-1B-S/T-LL 1-Port ISDN BRI WAN Interface Card - S/T, Low Latency for Cisco 1603/1604 Routers

Cisco WIC-1B-S/T-LL 1-Port ISDN BRI WAN Interface Card - S/T, Low Latency for Cisco 1603/1604 Routers

Cisco WIC-1B-S/T-LL 1-Port ISDN BRI WAN Interface Card - S/T, Low Latency for Cisco 1603/1604 Routers

Brand:

Cisco

Specifications

Product Description:

The Cisco WIC-1B-S/T-LL is a 1-Port ISDN BRI WAN Interface Card designed to provide reliable and low-latency ISDN connectivity for Cisco 1600 series routers, including the Cisco 1603 and 1604 models. The "LL" in the model number stands for Low Latency, making this card ideal for delay-sensitive applications such as voice, video conferencing, and real-time data transmission.
This ISDN BRI interface supports S/T mode, offering enhanced flexibility for connecting to NT1 devices or ISDN networks using external NT1s. Engineered for business-class networking, the card enables remote offices and small businesses to establish cost-effective, high-performance WAN connections with fast call setup and high reliability.
Built with Cisco’s quality assurance and compatibility in mind, this interface card integrates seamlessly into your Cisco router, delivering enterprise-grade performance, robust security, and ease of configuration using Cisco IOS software.

Specifications:

Brand: Cisco Systems
Model: WIC-1B-S/T-LL
Product Type: WAN Interface Card (WIC)
Interface Type: ISDN BRI (S/T)
Number of Ports: 1 x ISDN BRI S/T
Compatibility: Cisco 1603, Cisco 1604, and other Cisco 1600 series routers
Latency Type: Low Latency (LL) – optimized for real-time applications
Connector Type: RJ-45
Protocols Supported: ISDN BRI, PPP, HDLC
Configuration: Managed via Cisco IOS
Power: Draws power from the router chassis
Operating Temperature: 0°C to 40°C
Form Factor: Internal router module (WIC slot)
Certification: Cisco OEM certified

Features:

1-Port ISDN BRI (S/T): Enables digital WAN connectivity using Basic Rate Interface (BRI) over an S/T interface
Low Latency Performance: Optimized for time-sensitive data like VoIP and video communication
Seamless Integration with Cisco Routers: Compatible with Cisco 1603, 1604, and other 1600-series routers
High-Speed WAN Access: Suitable for remote offices or branch network setups
Secure and Reliable ISDN Connections: Supports PPP/HDLC protocols with authentication
Cisco IOS Management: Full configuration support using Cisco's trusted network OS
Easy Installation: Installs directly into router WIC slot with minimal setup
Versatile ISDN Application Support: Supports data, voice, and video traffic over WAN

Why Choose the Cisco WIC-1B-S/T-LL?

The Cisco WIC-1B-S/T-LL is an ideal solution for businesses needing dependable ISDN WAN connectivity with minimal latency. Whether you're enabling remote office communication, deploying VoIP, or setting up real-time video conferencing, this card delivers the performance and stability you need.
Its compatibility with Cisco 1603 and 1604 routers ensures a secure fit within legacy network environments while providing modern performance benefits. Backed by Cisco’s trusted engineering, this interface card offers ease of deployment, low operational cost, and optimized latency control—a critical feature for mission-critical applications.

Features

Brand:

Cisco

Warranty:

1 Year

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