Product overview
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.
Applications
These modules provide highly flexible connections that allow access to EIA-232 ports across a LAN or WAN.
The asynchronous interface modules for the 4000 Series ISRs are specifically designed for terminal server use. This capability allows for out-of-band management of console ports, giving the network operator full console access to a network of remote devices from a central location.
The asynchronous interface modules for the Cisco 4000 Series ISRs do not support Serial Line Internet Protocol (SLIP) or Point-to-Point Protocol (PPP). Asynchronous routing and data encapsulation features are thus not supported.