Description
The Cisco NM-30DM is a high-density digital modem network module designed for Cisco 2600 and 3600 series routers, offering robust remote access capabilities through its 30 integrated digital modems. Housed in a compact, rack-mountable form factor, the NM-30DM is ideal for branch offices or enterprise environments requiring scalable dial-in connectivity. Its modular design allows for easy integration into existing Cisco infrastructure, providing a cost-effective solution for expanding remote access services. The front panel features status LEDs for each modem channel, simplifying monitoring and troubleshooting.
This network module supports 30 simultaneous dial-in or dial-out connections over digital ISDN PRI lines, making it suitable for high-volume remote access demands. It utilizes onboard DSPs (Digital Signal Processors) to manage modem functions, reducing the load on the host router’s CPU. The NM-30DM is compatible with a wide range of Cisco IOS software features, including AAA, RADIUS, and TACACS+ authentication protocols. When purchasing used, buyers should verify that the module has been tested and includes all necessary components, such as modem cards and interface connectors, to ensure full operational functionality.

