Not in immediate stock. Direct ship from manufacturer, long lead times may apply due to material shortages
Asynchronous interface modules provide high-density terminal server functionality to Cisco® 4000 Series Integrated Services Routers (ISRs). Up to 200 terminal server connections can be supported on a single platform-eight more than are supported on the Cisco ISR G2.
Cisco 4000 Series Integrated Services Routers: