Cisco NIM-2FXS/4FXO Analog Voice Network Interface Module, 1 Year Warranty

Cisco NIM-2FXO 2-Port FXO Voice Interface Module for ISR 4000 Routers

CISCO NIM-4FXO 4-port Network Interface Module VOICE FXO ISR4000 Series Routers

Genuine Cisco 2-port FXO Network Interface Module NIM-2FXO

Cisco VWIC2-1MFT-G703 Trunk Voice WAN Interface Module

CISCO NIM-2FXS/4FXO 2-Port FXS 4-Port FXO ISR Router Voice Fax Interface Module

Cisco NIM-2FXS/4FXO Network Interface Module Analog voice network interface card

Adtran Analog VIM Voice Interface Module 1202692G1