1-Port Multiflex T1/E1 WAN Network Interface Module
Product Description
The NIM-1MFT-T1/E1= is a single-port multifunction T1/E1 WAN interface module from Cisco designed for Cisco ISR 4000 Series routers. It provides flexible connectivity to T1 or E1 leased lines for data and voice services, making it ideal for branch offices, service providers, or enterprises that require reliable WAN connectivity.
This module supports both channelized and fractional T1/E1 configurations and integrates CSU/DSU functionality, allowing organizations to maintain legacy WAN circuits while leveraging modern IP routing and voice deployments.
Model Type
1-Port Multiflex T1/E1 WAN Interface Module
Category
Networking – Router WAN Expansion Modules
Key Features
Single T1/E1 Port — Connects to T1 or E1 WAN circuits with flexible configuration options.
Voice and Data Support — Handles channelized data, fractional T1/E1, and PRI voice circuits.
Integrated CSU/DSU — Removes the need for external CSU/DSU devices, simplifying deployment.
Software-Configurable Operation — Configurable via Cisco IOS XE for data and voice routing.
High Reliability — Enterprise-grade WAN connectivity for branch and remote offices.
Compact NIM Form Factor — Fits directly into ISR 4000 NIM slots for seamless integration.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Model | NIM-1MFT-T1/E1= |
| Ports | 1× T1/E1 multifunction port |
| WAN Types | T1, E1, channelized/fractional, PRI |
| CSU/DSU | Integrated |
| Compatibility | Cisco ISR 4000 Series routers |
| Management | Cisco IOS XE |
| Installation | Internal NIM slot |
Typical Use Cases
Branch Office WAN Connectivity — Connect to leased T1/E1 circuits for reliable data and voice.
Legacy Voice Integration — Maintain PRI or fractional T1/E1 circuits while migrating to VoIP.
Service Provider Edge — Flexible WAN connectivity for managed services.
Small/Remote Office Deployment — Reduces need for external CSU/DSU or additional WAN devices.
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