12-AP WLAN CONTROLLER NM FOR CISCO 2800/3800 SERIE
Two-Slot Voice/fax Network Module-Spare
2-PORT CHANNELIZED E1/T1/ISDN-PRI NETWORK MODULE
NIM-2MFT-T1/E1= Cisco Fourth-Generation Multi-flex Trunk ...
2FXO= 2-port Network Interface Module
NIM-1GE-CU-SFP= Cisco WAN Network Interface Module