Cisco NIM-4T 4-Port Serial WAN Network Interface Card NIM4T

Description:

The Cisco NIM-4T 4-Port Serial WAN Network Interface Module (NIM4T) is used in Cisco Integrated Services Routers to provide multiple serial WAN connections for enterprise and telecommunications network infrastructures. Commonly installed in Cisco ISR 4000 Series routers deployed in branch offices, service provider edge networks, and industrial communication systems where serial-based WAN connectivity is required. Network administrators, IT maintenance teams, and system integrators use this module for WAN interface expansion, legacy connectivity support, and replacement of existing serial interface cards in Cisco ISR router platforms.

Applications:

The Cisco NIM-4T module is used in enterprise and telecommunications networks where multiple serial WAN connections are required to support legacy communication systems, leased line connections, and specialized network equipment. It is commonly deployed in branch office routers, telecommunications infrastructures, and industrial communication environments where synchronous serial connectivity is still required. The module allows organizations to integrate legacy serial communication technologies with modern Cisco ISR routers while maintaining reliable data transmission across WAN links.

Technical Specifications:

• Manufacturer Part Number (MPN): NIM-4T
• Product Type: Serial WAN Network Interface Module
• Series Compatibility: Cisco ISR 4000 Series Integrated Services Routers
• Ports: 4 × Serial WAN ports
• Interface Type: Smart Serial connectors
• Supported Protocols: Synchronous and asynchronous serial communication
• Data Rate: Up to 8 Mbps per port (depending on configuration)
• Installation Type: Network Interface Module (NIM) slot installation
• Compatibility: Cisco ISR 4321, 4331, 4351, 4431, and 4451-X routers
• Management: Integrated with Cisco IOS XE router management
• Form Factor: Modular plug-in card
• Cooling: Passive cooling supported by router chassis airflow
• Typical Installation: Enterprise WAN routers, telecommunications infrastructure, and branch network communication systems

Common Replacements:

• Cisco NIM-2T Serial WAN Interface Module
• Cisco HWIC-4T 4-Port Serial WAN Interface Card
• Cisco NIM-1T Serial WAN Interface Module