Product Description

NIM-4FXO-N Cisco 4 Port Network Interface Module is a universal FXO interface module designed to provide PSTN connectivity for Cisco Integrated Services Routers (ISR). The NIM-4FXO-N Cisco 4 Port Network Interface Module enables businesses to connect analog trunk lines from the public switched telephone network (PSTN) to their IP-based communication systems.

The NIM-4FXO-N Cisco 4 Port Network Interface Module features four FXO ports, allowing integration of traditional analog lines into VoIP environments. This makes it an ideal solution for organizations transitioning from legacy telephony systems to modern unified communications while maintaining access to external phone lines.

Designed for flexibility and scalability, the NIM-4FXO-N Cisco 4 Port Network Interface Module is part of Cisco’s Universal Network Interface Module (NIM) portfolio. It integrates seamlessly with Cisco ISR 4000 Series routers, enabling voice gateway functionality, survivable remote site telephony (SRST), and backup PSTN connectivity.

The NIM-4FXO-N Cisco 4 Port Network Interface Module supports a wide range of voice applications, including inbound and outbound call routing, failover scenarios, and hybrid telephony deployments. It is commonly used in branch offices, enterprise environments, and distributed network architectures where reliable voice connectivity is essential.

Engineered for Cisco’s enterprise networking platforms, the NIM-4FXO-N Cisco 4 Port Network Interface Module delivers dependable performance and easy deployment. Its compact modular design allows for quick installation into compatible routers, enabling rapid expansion of voice capabilities.

Features

• NIM-4FXO-N Cisco 4 Port Network Interface Module with 4 FXO ports for PSTN connectivity
• Universal NIM module for Cisco ISR 4000 Series routers
• Supports analog trunk integration into VoIP systems
• Enables voice gateway functionality and SRST failover
• Ideal for hybrid telephony and branch office deployments
• Easy installation into compatible Cisco router slots

Q & A

Q: What does the NIM-4FXO-N Cisco 4 Port Network Interface Module do?
A: It provides four FXO ports to connect analog PSTN lines to Cisco ISR routers for voice communication.

Q: What is an FXO port used for?
A: FXO ports connect to the telephone company’s analog line, allowing calls to be made and received from the PSTN.

Q: Which routers support the NIM-4FXO-N?
A: It is designed for Cisco ISR 4000 Series routers that support NIM modules.

Q: Can this module be used for VoIP systems?
A: Yes. It allows integration of analog lines into VoIP and unified communications environments.