Cisco WIC-1B-S/T Cisco network interface module
Brand: Cisco | Category: Accessories & Components
SKU: CSC-WIC-1B-ST | Part #: WIC-1B-S/T | MPN: WIC-1B-S/T
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About the Cisco WIC-1B-S/T Cisco network interface module
The Cisco WIC-1B-S/T is a hot-swappable WAN Interface Card module designed for seamless installation into modular router platforms, enabling rapid deployment of ISDN connectivity without system downtime. This genuine Cisco network interface module delivers a single ISDN BRI S/T port with 2 B-Channels rated at 64 Kbps per channel and a D-Channel at 16 Kbps, aggregating to a maximum throughput of 128 Kbps when configured for Multilink PPP. The WIC-1B-S/T features an RJ-45 connector supporting the S/T reference point and is compatible with National ISDN-1, AT&T 5ESS, Northern Telecom DMS-100, and Euro-ISDN (ETSI NET3) switch types, making it suitable for diverse telecommunications environments across multiple regions.
Network engineers and IT infrastructure teams responsible for WAN edge connectivity rely on this module to establish redundant or primary ISDN dial connections in branch office and remote site deployments. The WIC-1B-S/T supports critical Cisco IOS features including Dial-on-Demand Routing (DDR), ISDN caller ID screening, and callback functionality, enabling cost-effective bandwidth management across legacy and hybrid networks. The card operates with PPP and Multilink PPP (MLP) WAN encapsulations and integrates directly into Cisco 1700, 2600, 2800, 3600, and 3700 series modular routers, providing organizations with a proven connectivity solution for existing installations.
Note that an external NT1 device is required when connecting to ISDN U-interface loops, and Cisco TAC support validation requires genuine Cisco hardware. Whether you are consolidating WAN interfaces, replacing legacy modules, or expanding ISDN capacity in your router fleet, Omnixon Global supplies authentic Cisco WIC-1B-S/T components backed by full manufacturer credentials. Contact our B2B sales team today to request a quotation and confirm availability for your deployment timeline.
Technical Specifications
| Brand | Cisco |
| Category | Accessories & Components |
| SKU | CSC-WIC-1B-ST |
| Part Number | WIC-1B-S/T |
| Condition | New |
| Interface | S/T |
| Manufacturer Part Number | WIC-1B-S/T |
| Module Type | WAN Interface Card (WIC) |
| Interface Type | ISDN BRI S/T |
| Number of Ports | 1 |
| B-Channels per Port | 2 |
| B-Channel Bandwidth | 64 Kbps per channel |
| D-Channel Bandwidth | 16 Kbps |
| Maximum Aggregated Bandwidth | 128 Kbps (Multilink PPP) |
| Connector Type | RJ-45 (S/T interface) |
| ISDN Reference Point | S/T |
| Supported Switch Types | National ISDN-1, AT&T 5ESS, Northern Telecom DMS-100, Euro-ISDN (ETSI NET3) |
| WAN Encapsulations | PPP, Multilink PPP (MLP) |
| Cisco IOS Feature Support | Dial-on-Demand Routing (DDR), ISDN caller ID screening, callback |
| Compatible Platforms | Cisco 1700, 2600, 2800, 3600, 3700 series modular routers |
| Form Factor | WIC card module |
| External NT1 Required | Yes (for connection to ISDN U-interface loops) |
| TAC Support Validation | Genuine Cisco hardware required for Cisco TAC support |
Frequently Asked Questions about Cisco WIC-1B-S/T Cisco network interface module
What does the Cisco WIC-1B-S/T Cisco network interface module do?
The Cisco WIC-1B-S/T Cisco network interface module is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.