Cisco 4 Port Network Interface Module Card – Refurbished NIM-4FXS

CONDITION: RE-MADE IN THE USA™ Refurbished

Part Number: NIM-4FXS

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Product Description

Cisco NIM-4FXS 4-Port Network Interface Module (Refurbished) is a voice interface module designed for integration with Cisco ISR 4000 Series routers, providing reliable analog connectivity for enterprise communication systems. This module enables the connection of analog devices such as phones, fax machines, and paging systems through four FXS (Foreign Exchange Station) ports.

The Cisco NIM-4FXS 4-Port Network Interface Module (Refurbished) is ideal for businesses transitioning to VoIP while maintaining support for legacy analog equipment. It allows seamless integration into unified communications environments, helping extend the life of existing infrastructure.

Built as part of Cisco’s fourth-generation NIM architecture, this module offers improved scalability and performance compared to earlier interface cards. Its compact internal form factor installs directly into ISR routers, eliminating the need for external adapters while maintaining a clean and efficient deployment.

Refurbished units are tested, cleaned, and verified to meet operational standards, offering a cost-effective alternative to new hardware—often delivering significant savings while maintaining performance and reliability.


Features

  • Cisco NIM-4FXS includes 4 FXS ports for analog device connectivity
  • Compatible with Cisco ISR 4000 Series routers
  • Supports analog phones, fax machines, and paging systems
  • Enables VoIP migration while maintaining legacy systems
  • Compact internal module design for clean installation
  • Refurbished and tested for enterprise reliability

Q&A Section

Q: What does an FXS port do?
A: FXS ports provide dial tone, battery current, and ringing voltage to analog devices like phones and fax machines.

Q: What routers support the NIM-4FXS?
A: It is designed for Cisco ISR 4000 Series routers.

Q: Can this be used for VoIP systems?
A: Yes, it enables analog devices to connect to VoIP systems through the router.

Q: What does refurbished mean for this module?
A: Refurbished units are tested, cleaned, and verified for functionality, often including a warranty depending on the vendor.

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