Cisco Fourth-Generation Voice/Fax Network Interface Module NIM-2FXS

BRAND NEW. FACTORY SEALED. FULL CISCO WARRANTY INCLUDED. MANUFACTURED BY CISCO. FROM CHICAGO COMPUTER SUPPLY

Overview

The Cisco NIM-2FXS is a fourth-generation analog voice and fax Network Interface Module built for Cisco 4451-X Integrated Services Routers. It provides two FXS ports that allow direct connection of analog phones and fax machines to a modern VoIP-enabled network.

Designed to simplify voice deployments, this module includes a built-in digital signal processor. It removes the need for a separate PVDM on the router while delivering reliable echo cancellation and consistent call quality. It is an ideal solution for organizations modernizing voice infrastructure without replacing existing analog devices.

Key Features

• Two FXS ports for analog phones and fax machines
• Built-in DSP eliminates the need for external PVDM
• Supports the reuse of existing analog voice devices
• Echo cancellation up to 128 ms for clear calls
• Hot-swappable design for supported Cisco routers
• Genuine Cisco hardware with full warranty

Technical Specifications

Manufacturer: Cisco

Product Type: Voice / Fax Network Interface Module

Model: NIM-2FXS

Interfaces: 2 x FXS

Form Factor: Plug-in module

DSP: Integrated

Echo Cancellation: Up to 128 ms

Compatibility: Cisco 4451-X Integrated Services Router

UPC: 00882658634499

Use Cases

The NIM-2FXS is ideal for branch offices, call centers, and enterprise environments that need to connect analog phones or fax machines to a VoIP-enabled Cisco router. It supports gradual VoIP migration while preserving investments in legacy analog equipment.

Why Choose the NIM-2FXS

• Simplifies analog-to-VoIP migration
• Preserves existing phones and fax devices
• Reduces hardware complexity with built-in DSP
• Delivers enterprise-grade voice reliability
• Backed by Cisco manufacturing and warranty

FAQs

What is the Cisco NIM-2FXS used for?

It connects analog phones and fax machines directly to Cisco 4451-X routers using FXS ports.

How many devices can connect to this module?

Up to two analog devices can connect, one per FXS port.

Does the NIM-2FXS require a PVDM?

No. It includes a built-in digital signal processor.

Is this module suitable for VoIP environments?

Yes. It enables analog devices to operate within a VoIP-enabled network.

Is this product new and covered by warranty?

Yes. It is brand new, factory sealed, and includes the full Cisco warranty.