Cisco SM-32A
Cisco SM-32A, IPU3AZACAB, 800-36936-02 32 port Asynchronous Module
The SM-32A is a single-wide service module with 32 asynchronous (async) ports at speeds up to 230.4 kbps. Asynchronous ports provide highly flexible connections that allow access to EIA-232 devices across a TCP/IP network. The SM-32A module significantly increases async port density support for Cisco 2900 and Cisco 3900/3900E Series Integrated Services Routers Generation 2 (ISR G2).