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by Cisco
Product Line: Cisco ISR 4000 Series Routers
Product Type: Network Module
Original price $0.00 - Original price $244.00
Original price
$0.00 - $244.00
Current price $244.00
Title: Used

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Product Description

The Cisco SM-D-72FXS is a network module designed to work with the Cisco ISR 4000 Series Routers. It offers a high-density analog voice and fax interface for small to medium-sized businesses. With its 72 FXS ports, it can support up to 72 analog phones or fax machines.

Key Feature for the SM-D-72FXS

1. 72 FXS ports
2. Support for both loop-start and ground-start signaling
3. Support for G.711 and G.729a voice codecs
4. Support for fax pass-through and T.38 fax relay
5. Power over Ethernet (PoE) support for powering connected devices
6. Hot-swappable module for easy installation and maintenance

Product Review

The Cisco SM-D-72FXS is a voice/fax module designed for use with the Cisco 2900 and 3900 series integrated services routers. It supports up to 72 analog phone or fax devices and provides advanced voice features, such as echo cancellation and call forwarding. It is a reliable and cost-effective solution for businesses that need to integrate analog phone lines into their VoIP infrastructure.


The Cisco SM-D-72FXS is a service module designed for use with the Cisco ISR G2 2900 and 3900 series routers. It provides 72 FXS ports, each of which can support loop-start, ground-start, and station-magnitude-compansion signaling. The module is hot-swappable, meaning it can be inserted or removed from the router without powering it down. The SM-D-72FXS supports both TDM and VoIP voice signaling, as well as a range of codecs including G.711, G.729a, G.723.1, and G.726. It also includes a number of features designed to support high-quality voice transmission, such as echo cancellation, voice activity detection, and comfort noise generation. This service module is an excellent option for organizations that need to support a large number of analog voice devices, such as phones, faxes, and modems, within their network infrastructure. It provides a cost-effective and scalable solution that can be easily integrated into existing Cisco router environments.

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