Cisco HWIC-8A High-Speed WAN Interface Card Module

The Cisco HWIC-8A High-Speed WAN Interface Card is an eight-port asynchronous serial expansion module for Cisco Integrated Services Routers, delivering dedicated serial connectivity for remote devices and out-of-band management. Designed for Cisco ISR platforms, it plugs into HWIC slots to add eight asynchronous serial ports for connections to modems, console servers, and legacy serial equipment in enterprise networks. It uses the high-density CAB-HD8-ASYNC connector and is installed as an internal router HWIC slot expansion to support router serial interfaces. Commonly deployed in corporate networks, telecommunications systems, and industrial environments where multiple serial links and device-management interfaces are required. Network administrators and systems integrators use this module to expand router interfaces, enable remote device monitoring, or replace existing serial interface modules. Specifications: Manufacturer Part Number (MPN) HWIC-8A; Brand Cisco; Product Type High-Speed WAN Interface Card (HWIC); Interface Ports 8 × asynchronous serial ports; Connector Type CAB-HD8-ASYNC (high-density); Data Communication Asynchronous serial; Form Factor HWIC expansion module; Compatibility Cisco Integrated Services Routers supporting HWIC slots; Cable Support CAB-HD8-ASYNC octal cable; Deployment Type Router serial interface expansion; Installation Internal router HWIC slot. Common replacements include HWIC-16A, NM-16A, and NIM-16A.