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by Cisco
Product Line: Cisco Network Interface Modules (NIM)
Product Type: Interface Module
Original price $0.00 - Original price $322.00
Original price
$0.00 - $322.00
Current price $322.00
Title: Used

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Product Description

The Cisco NIM-4FXS is a network interface module designed for use with Cisco ISR 4000 Series routers. It provides four analog FXS ports, allowing you to connect traditional analog telephony equipment to your network. The module also supports many important voice features such as voice activity detection and echo cancellation. With the NIM-4FXS, you can easily connect legacy telephony equipment to your modern IP network, allowing you to leverage the latest network technologies while still supporting older equipment.

Key Feature for the NIM-4FXS

1. Four analog FXS ports 
2. Voice activity detection 
3. Echo cancellation 
4. Caller ID support 
5. Busy-out and call-in-progress 
6. Loop-start and ground-start signaling support

Product Review

The Cisco NIM-4FXS is a network interface module that offers four FXS ports for connecting analog telephones or fax machines to a Cisco ISR platform. It features a high level of compatibility and interoperability with various Cisco routers and switches, making it a versatile and flexible solution for small and medium-sized businesses. Its small form factor and plug-and-play installation also make it easy to use and install.


The Cisco NIM-4FXS is a network interface module designed to provide analog phone connectivity to Cisco Integrated Services Routers (ISRs). It features four Foreign Exchange Station (FXS) ports, enabling it to connect up to four analog phones or fax machines to the network. The NIM-4FXS is designed to support a variety of voice protocols, including Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), and H.323. This flexibility allows it to be easily integrated into different network environments and used with a range of IP PBX systems. The module is built with advanced voice features, including echo cancellation, voice activity detection, and comfort noise generation. These features help to ensure high-quality voice transmission and improve the overall user experience. The NIM-4FXS also supports Power over Ethernet (PoE) technology, enabling it to deliver power to connected analog devices without the need for additional power sources. This feature simplifies installation and reduces the overall cost of the system. In terms of management, the NIM-4FXS can be configured and managed through Cisco's Integrated Services Router (ISR) command-line interface (CLI) or through Cisco Configuration Professional, a web-based graphical user interface (GUI) tool. Overall, the Cisco NIM-4FXS is a reliable and efficient network interface module that provides analog phone connectivity to Cisco Integrated Services Routers. Its advanced voice features, support for multiple voice protocols, and PoE technology make it a suitable choice for businesses that require analog phone connectivity in their network environments.

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