Product Type | Network Interface Module |
Form Factor | Plug-in Module |
Weight | 0.5 lb |
Power Requirements | Powered via router chassis |
Compatible Platforms | Cisco 4000 Series Integrated Services Routers |
Module Type | Multiflex Trunk Voice/Clear-Channel Data Module |
CISCO NIM-4MFT-T1/E1 4-Port Multiflex T1/E1 Module


Key Benefits

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- Optimized for Cisco 4000 Series routers, ensuring seamless platform integration
- Integrated DSU/CSU reduces the need for external equipment, lowering overall cost and complexity
- Ideal for government and enterprise use cases due to TAA compliance and high port-density
Product Overview
The CISCO NIM-4MFT-T1/E1 is a 4-port Multi-flex Trunk voice/data module for T1/E1 lines, offering plug-in simplicity for Cisco 4000 Series routers. With support for fractional and full T1/E1 circuits and built-in managed DSU/CSU functions, it ensures versatile and reliable WAN connectivity. Engineered for compact deployments, this SNMP-enabled module measures just 3.5” x 7.24” x 1.25” and meets TAA compliance criteria, making it ideal for federal and enterprise-grade infrastructures.
Specifications
Product Overview
Cloud Management & Licensing
Remote Management Protocol | SNMP |
Management Interface | Cisco IOS via router CLI |
License Required | No license required for base functionality |
Cloud Enablement | Managed via Cisco DNA Center (if integrated with compatible platform) |
Compliance & Origin
TAA Compliant | Yes |
Country of Origin | Mexico / United States |
Certifications | UL, CSA, FCC Part 15 Class A, CE, VCCI |
RoHS Compliant | Yes |
MTBF | 325,000 hours |
Interfaces
Ports Quantity | 4 |
Interface Type | T1/E1 |
Port Type | RJ-48C (1 per port) |
Line Encoding | AMI, B8ZS, HDB3 |
Framing Formats | SF, ESF, CRC4, Non-CRC4 |
Data Transfer Rate per Port | 1.544 Mbps (T1) / 2.048 Mbps (E1) |
Transmission Type | Circuit-switched |
Supported T1/E1 Modes | Channelized T1/E1, Clear Channel T1/E1 |
Integrated CSU/DSU | Yes |
Maximum Aggregate Throughput | 8.192 Mbps (for full-capacity E1) |
Physical & Environmental
Width | 3.5 in |
Depth | 7.24 in |
Height | 1.25 in |
Operating Temperature | 32°F to 104°F (0°C to 40°C) |
Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
Operating Humidity | 10% to 85% (non-condensing) |
Storage Humidity | 5% to 95% (non-condensing) |
Advanced Security Features
Built-in WAN Security | Supports secure voice and data over T1/E1 when paired with appropriate router configurations |
Encryption Support | Encrypts voice and data traffic when used with Cisco router security features |
Secure Management | Supports SNMPv3 with encryption for secure monitoring |