4-port voice/fax expansion module - FXO Cisco Router Network Module
4-port voice/fax expansion module - BRI (NT and TE) Cisco Router Network Module
1 16 port 10/100 EtherSwitch NM Cisco Router Network Module
1 16 port 10/100 EtherSwitch NM with 1 GE (1000BaseT) port Cisco Router Network Module
ATM OC3 module with single POM (SFP) slot Cisco Router Network Module
1-Port T3/E3 ATM network Module Cisco Router Network Module
1 10/100 Ethernet 1 4/16 Token-Ring 2 WAN Card Slot NM Cisco Router Network Module
1 10/100 Ethernet with 2 WAN Card Slot Network Module Cisco Router Network Module
1-Port Fast Ethernet Network Module, FX Only Cisco Router Network Module
1 Port GE Network Module Cisco Router Network Module
One port T3/E3 network module Cisco Router Network Module
Cisco IP VSAT Satellite WAN Network Module Cisco Router Network Module
2 port 10/100 Ethernet with 2 WAN Card Slot Network Module Cisco Router Network Module
2 WAN Card Slot Network Module(no LAN) Cisco Router Network Module
32 port Asynchronous Module Cisco Router Network Module
4-Port Serial Network Module Cisco Router Network Module
8 port channelized T1/E1 and PRI network module Cisco Router Network Module
Blank Network Module Panel Cisco Router Network Module
One-slot IP Communications Voice/Fax Network Module Cisco Router Network Module