Used Cisco NM-1A-OC3MM One-port ATM OC-3 Expansion Module

Used Cisco NM-1A-OC3MM One-port ATM OC-3 Expansion Module

The NM-1A-OC3MM ATM network modules are only supported on the 3600 Series. A maximum of one ATM OC-3 network module is recommended on the 3660, 3640, or 3620. There are no additional Flash or DRAM memory requirements, other then minimum memory requirements specified for the Cisco IOS 12.0(3)T Plus feature sets. The ATM NM-1A-OC3MM network modules are ideal for connecting directly to ATM fiber Wide Area Network (WAN) at large remote Branch office sites to a central site via public or privately owned ATM WAN; or to provide LAN connectivity to a co-located Cisco ATM Switch.