Cisco NIM-2FXS/4FXO 2 FXS + 4 FXO Ports for ISR Routers Voice Interface Module (New Sealed)

The Cisco NIM-2FXS/4FXO is a versatile voice interface module designed to extend analog voice capabilities on Cisco Integrated Services Routers (ISR). It features a combination of 2 FXS (Foreign Exchange Station) ports and 4 FXO (Foreign Exchange Office) ports, enabling seamless integration between IP-based telephony systems and traditional analog devices or PSTN lines.This module allows organizations to connect analog phones, fax machines, and PBX systems (via FXS ports) while also linking to external telephone lines provided by service providers (via FXO ports). It is ideal for businesses transitioning to VoIP while maintaining compatibility with legacy telephony infrastructure.Designed for flexibility and scalability, the NIM-2FXS/4FXO supports voice gateway functionality, making it suitable for branch offices, enterprise networks, and hybrid communication environments. It ensures reliable voice communication with clear signal quality and stable performance.The module is hot-swappable and integrates seamlessly with Cisco ISR platforms, allowing easy deployment and maintenance without network downtime. Built with Cisco’s enterprise-grade standards, it delivers dependable performance, durability, and long-term reliability for voice networking solutions.

🔹 Bullet Points:

2 FXS + 4 FXO PORTS: Supports connection of analog devices and PSTN lines in one module

ANALOG TO VOIP INTEGRATION: Bridges traditional telephony systems with IP-based networks

FXS PORT FUNCTIONALITY: Connects analog phones, fax machines, and PBX systems

FXO PORT FUNCTIONALITY: Interfaces with external telephone lines from service providers

ISR ROUTER COMPATIBILITY: Designed for Cisco Integrated Services Routers

VOICE GATEWAY CAPABILITY: Enables VoIP and PSTN connectivity in enterprise environments

HOT-SWAPPABLE DESIGN: Allows installation and replacement without downtime

ENTERPRISE-GRADE RELIABILITY: Ensures stable voice communication and consistent performance

FLEXIBLE DEPLOYMENT: Ideal for branch offices and hybrid communication setups

CISCO TRUSTED QUALITY: Built for durability, scalability, and long-term operation