Description:

The Cisco NIM-16A Asynchronous Serial Interface Expansion Module is used in Cisco Integrated Services Router 4000 Series platforms to provide additional asynchronous serial connectivity for network management and legacy device communication. Commonly installed in enterprise branch routers, network infrastructure control systems, and remote management environments requiring multiple serial interface connections. Maintenance teams, network administrators, and system integrators use this module for router interface expansion, infrastructure upgrades, or replacement of existing serial communication modules.

Applications:

The Cisco NIM-16A Asynchronous Serial Interface Expansion Module is used in enterprise and service provider networks to support communication between routers and serial-based devices such as console servers, legacy equipment, and remote management systems. Commonly deployed in enterprise branch offices, telecommunications environments, and industrial network infrastructures where asynchronous serial interfaces provide connectivity for monitoring, configuration, and control of network devices. Maintenance teams, network engineers, and system integrators install this module to expand router interface capabilities, support system upgrades, and replace aging serial interface modules.

Technical Specifications:

• Manufacturer: Cisco
• Manufacturer Part Number (MPN): NIM-16A
• Product Type: Network Interface Module
• Series: Cisco ISR 4000 Series NIM Modules
• Interface Type: Asynchronous Serial Interface
• Total Ports: 16 asynchronous serial ports
• Channel Support: 4-channel async serial interface groups
• Connector Type: High-density serial interface connectors
• Compatibility: Cisco Integrated Services Routers 4000 Series
• Form Factor: Internal router expansion module
• Installation Type: NIM slot installation
• Application Support: Console connectivity and serial device communication
• Enclosure: Cisco modular hardware design

Common Replacements:

• Cisco NIM-8A Asynchronous Serial Interface Module
• Cisco NIM-4A Asynchronous Serial Interface Module
• Cisco HWIC-16A Asynchronous Serial Interface Card