Cisco NIM-4FXS 4-port Network Interface Module - FXS for ISR 4000 Series Routers NIM4FXS

Description:

The Cisco NIM-4FXS is a 4-port Foreign Exchange Station (FXS) network interface module designed for use with Cisco ISR 4000 Series routers. It enables analog voice connectivity for traditional telephone devices, such as analog phones, fax machines, and modems, within a VoIP infrastructure. This module is ideal for organizations transitioning to IP telephony while maintaining support for legacy analog endpoints. The NIM-4FXS supports features like echo cancellation, call progress tones, and T.38 fax relay, providing reliable and high-quality analog voice communication.

Technical Specifications:

Manufacturer: Cisco Systems
Model Number: NIM-4FXS
Product Type: Voice Interface Module
Compatibility: Cisco ISR 4000 Series Routers
Ports: 4 x FXS (RJ-11)
Voice Features: Echo cancellation, call progress tones, voice activity detection (VAD), comfort noise generation (CNG), T.38 fax relay
Signaling: Loop start, ground start
Protocols Supported: SCCP, SIP, MGCP
Power Requirements: Powered by host router
Operating Temperature: 32°F to 104°F (0°C to 40°C)
Dimensions: 3.6 x 6.9 x 0.8 in (9.1 x 17.5 x 2.0 cm)
Weight: Approx. 0.8 lbs (0.36 kg)