4-Port ISDN BRI NIM Module For Cisco Routers – High-Density VoIP & Backup Dial Support Cisco Module
4-Port ISDN BRI NIM Module For Cisco Routers – High-Density VoIP & Backup Dial Support Cisco Module
The Cisco NIM-4BRI-NT/TE is a 4-port ISDN BRI (Basic Rate Interface) Network Interface Module (NIM) designed for Cisco 4000 Series ISR routers. This high-density module enables reliable VoIP, video conferencing, and dial backup connectivity, making it ideal for enterprises requiring legacy ISDN support alongside modern IP networks.
Key Features & Benefits
✔ 4 ISDN BRI Ports (S/T Interface) – Supports NT (Network Termination) or TE (Terminal Equipment) mode for flexible deployment.
✔ High-Density ISDN Connectivity – Ideal for PBX integration, backup links, and legacy voice/data services.
✔ Cisco ISR Compatibility – Works with Cisco 4000 Series routers (e.g., ISR 4431, 4451) via NIM slot.
✔ Global Compliance – Meets ETSI (Europe) & ANSI (North America) ISDN standards.
✔ Reliable Dial Backup – Ensures business continuity when primary WAN links fail.
✔ VoIP & Legacy Support – Bridges traditional ISDN with modern IP telephony.
Technical Specifications
| Parameter | Details |
|---|---|
| Ports | 4 x ISDN BRI (S/T) |
| Interface Mode | NT or TE Selectable |
| Data Rate | 144 Kbps (2B+D) per port |
| Compatibility | Cisco 4000 Series ISR Routers |
| Standards | ETSI, ANSI, ISDN BRI (ITU-T I.430) |
| Power | Router-powered (no external PSU required) |
Ideal Use Cases
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ISDN-based VoIP & PBX systems
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Backup WAN links for critical networks
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Legacy banking/retail POS systems
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Video conferencing over ISDN
This Cisco NIM module ensures seamless integration of ISDN services into modern networks while maintaining Cisco’s enterprise-grade reliability. Upgrade your Cisco ISR router today with this high-performance 4-port BRI module for uninterrupted legacy connectivity.
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