Cisco NIM-1CE1T1-PRI Module : E1/T1 PRI Support , ISDN Voice & Data , For ISR Routers
The Cisco NIM-1CE1T1-PRI= is a high-performance Network Interface Module (NIM) designed for ISDN Primary Rate Interface (PRI) connectivity, supporting both E1 (2.048 Mbps) and T1 (1.544 Mbps) standards. Ideal for enterprise voice, call centers, and service providers, this module ensures reliable PRI voice and data transmission with seamless integration into Cisco ISR 4000 series routers (such as ISR 4431, 4451, and 4321).
Key Features & Benefits
✔ Dual E1/T1 PRI Support – Flexible deployment in global telecom environments with software-selectable E1 or T1 mode.
✔ ISDN PRI for Voice & Data – Supports 30 B-channels (E1) or 23 B-channels (T1) + 1 D-channel, enabling high-density VoIP, UC, and video conferencing.
✔ Enterprise-Grade Reliability – Features CRC4 (E1) and B8ZS/AMI (T1) encoding, along with advanced diagnostics for stable connectivity.
✔ Optimized for Cisco ISR Routers – Fits into NIM slots on Cisco 4000 series ISRs, offering scalable PRI solutions.
✔ QoS & Low Latency – Enhances voice/video traffic with hardware-accelerated PRI signaling.
Technical Specifications (Parameters)
| Feature |
Specification |
| Interface Type |
E1/T1 PRI (ISDN) |
| Data Rate |
E1: 2.048 Mbps / T1: 1.544 Mbps |
| Channels |
E1: 30B+1D / T1: 23B+1D |
| Line Coding |
E1: CRC4 / T1: B8ZS or AMI |
| Compatibility |
Cisco ISR 4000 series (e.g., 4431, 4451) |
| Standards |
ITU-T G.703/G.704, ANSI T1.403 |
Ideal Use Cases
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PBX & VoIP Gateways – Connect legacy phone systems to IP networks.
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Call Centers – High-density ISDN PRI for inbound/outbound calls.
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Service Providers – E1/T1 aggregation or backup links.
Why Choose This Cisco Module?
The NIM-1CE1T1-PRI= delivers carrier-class reliability, easy scalability, and seamless integration with Cisco ISR routers—making it a cost-effective solution for migrating from traditional ISDN to modern IP communications.
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Cisco NIM-1CE1T1-PRI Module : E1/T1 PRI Support , ISDN Voice & Data , For ISR Routers Images
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