Cisco NIM-4FXO – 4-Port Universal FXO Network Interface Module (Refurbished)

The Cisco NIM-4FXO is a remanufactured 4-port Universal FXO (Foreign Exchange Office) Network Interface Module. Designed for Cisco 4000 Series ISRs, it enables direct connection to analog public switched telephone network (PSTN) lines, supporting voice and fax services for branch office environments.

✅ Key Features: Four FXO Ports: Provides connectivity for up to four analog PSTN lines. Universal FXO: Compatible with a wide range of analog line types. Voice & Fax Services: Supports analog voice calls and fax transmissions. ISR 4000 Series Compatible: Designed for seamless integration with Cisco 4000 Series Integrated Services Routers. PSTN Connectivity: Facilitates integration with traditional telephone infrastructure. Refurbished Quality: A tested and economical solution for extending analog voice capabilities to IP networks.