| 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 | 
 
               
    