Cisco NIM-2FXS/4FXOP Cisco 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module - For Voice - 2 x FXS/DID Network, 4 x FXO Network

Cisco 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module - For Voice - 2 x FXS/DID Network, 4 x FXO Network...