The Cisco NIM-1MFT-T1/E1 is a 1-port Multiflex Trunk Voice/Data Network Interface Module used to enable T1 or E1 WAN connectivity on Cisco ISR 4000 Series routers. This module is ideal for businesses that require integrated voice and data services, PRI signaling, or leased-line WAN connections.
With support for channelized, fractional, and clear-channel configurations, it offers flexible deployment options for voice gateways, VoIP migration, PBX integration, and enterprise WAN access. The module also supports Cisco Unified Communications, voice DSP resources, and advanced QoS mechanisms to maintain high call quality and reliable data performance.
This interface card is widely used in branch offices, service provider networks, call centers, and enterprise voice systems requiring stable and scalable T1/E1 connectivity.
⚙️ Technical Specifications
| Feature | Details |
|---|---|
| Model | NIM-1MFT-T1/E1 |
| Ports | 1 × T1/E1 RJ-48C interface |
| Compatibility | Cisco ISR 4000 Series (ISR 4321, 4331, 4351, 4431, 4451) |
| Supported Line Types | T1, E1 |
| Channelization | Channelized / Fractional / Clear-Channel |
| Voice Support | PRI, CAS, Unified Communications compatible |
| Signaling Protocols | ISDN PRI, QSIG, CAS |
| Typical Usage | WAN Connectivity, PBX Trunking, VoIP Gateway Integration |
| Hot-Swappable | Yes (Field Replaceable Unit) |
| Common Applications | Call Centers, Branch WAN, Unified Communications Gateways |
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