CISCO NIM-4FXS 4-port Network Interface Module FXS for ISR 4000 Series Routers

Cisco NIM-4FXS 4-Port FXS Network Interface Module

CISCO NIM-4FXS 4-port Network Interface Module FXS for ISR 4000 Series Routers

Cisco ISR 4000 NIM-4FXS 4 Port Network Interface Module -Same Day Shipping

Cisco NIM-2MFT-T1/E1, 1 Year Warranty and Free Ground Shipping

CISCO VIC3-4FXS/DID 4-PORT VOICE INTERFACE CARD - FXS AND DID