1-Port Serial HWIC Front Panel
2-Port Serial WAN Interface Card
8-Port Asynchronous/Synchronous High-Speed WAN Interface Card.
1-Port Serial HWIC Front Panel
1-Port Serial HWIC Front Panel, RF
2-Port Serial WAN Interface Card
2-Port Serial WAN Interface Card, RF
1-Port Serial WAN Network Interface Card
2-Port Serial WAN Network Interface Card
4-Port E/M Network Interface Module, spare
4-Port Serial WAN Network Interface Card
Network Module Adapter for SM Slot on Cisco 2900, 3900 ISR
