3com Router 1-Port OC-3 ATM SML FIC 155Mbit/s networking card

Router 1-Port OC-3 ATM SML FIC Provides an ATM OC-3 Single-Mode Long-Reach Connection
These Flexible Interface Cards (FICs) provide a variety of expansion options that enhance 3Com Router 6040 or Router 6080 performance to optimize network operation. Customize the network to meet business needs.
Provides one port of Asynchronous Transfer Mode (ATM) single-mode, long reach connectivity
Facilitates scalable and secure network operation
Maximizes LAN and WAN reach and distance
For use in 3Com Router 6040 and 3Com Router 6080