Product Description
The NIM-8MFT-T1/E1= is an 8-port multifunction T1/E1 WAN interface module from Cisco designed for Cisco ISR 4000 Series routers. It provides high-density connectivity for branch offices, service providers, and enterprises needing multiple T1 or E1 leased lines for voice, data, and PRI services.
Supporting both channelized and fractional T1/E1 configurations with integrated CSU/DSU functionality, this module simplifies WAN deployment while maintaining legacy telecom integration alongside modern IP routing.
Model Type
8-Port Multiflex T1/E1 WAN Interface Module
Category
Networking – Router WAN Expansion Modules
Key Features
Eight T1/E1 Ports — Each port is software-configurable for T1 or E1, supporting channelized data, fractional circuits, or PRI voice.
Voice & Data Support — Enables simultaneous voice and data traffic over T1/E1 circuits.
Integrated CSU/DSU — Eliminates the need for external CSU/DSU hardware, reducing deployment complexity.
Software-Configurable — Managed through Cisco IOS XE for WAN routing, signaling, and voice integration.
High Reliability — Enterprise-grade WAN connectivity for multiple concurrent circuits.
Compact NIM Form Factor — Fits directly into ISR 4000 NIM slots, providing high port density in a single module.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Model | NIM-8MFT-T1/E1= |
| Ports | 8× T1/E1 multifunction ports |
| WAN Types | T1, E1, fractional, channelized, PRI |
| CSU/DSU | Integrated |
| Compatibility | Cisco ISR 4000 Series routers |
| Management | Cisco IOS XE |
| Installation | Internal NIM slot |
Typical Use Cases
Branch Office WAN Deployment — Connect multiple leased T1/E1 circuits for data and voice.
Service Provider Edge — High-density WAN connectivity for managed network services.
Legacy Voice & Data Integration — Maintain PRI and fractional T1/E1 links alongside modern IP routing.
High-Density Remote Offices — Consolidate multiple T1/E1 connections into a single module.
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