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

Cisco NIM-4FXS ISR 4000 Series 4x FXS Router Module

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, FXS-E and DID

Cisco NIM-ES2-4 ISR 4000 Series 4x Gigabit Ethernet RJ-45 Router Module

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