1. Enterprise Network Switch Modules Parts
  2. sku: 9289353545449792
  3. CISCO SM-X-16FXS/2FXO

CISCO SM-X-16FXS-2FXO Service Module Fxo SM-X-16FXS/2FXO

Sm-x-16fxs Cisco Sm-x-16fxs/2fxo Service Module 16fxs And 2 Fxo

( Brand: Cisco ), ( Manufacturer Part Number: SM-X-16FXS/2FXO ), ( Part Type: Module ), ( Connectors: Rj-11 ), ( Compatible Brand: Specifically Isr 4000 Series Routers, For Cisco ), ( Unit Type: Unit ), ( Number Of Ports: 18 ), ( Network Ports: Rj-11/analog Voice )

Review CISCO Sm-x-16fxs/2fxo Service Module 16fxs And Fxo

The Cisco SM-X-16FXS/2FXO Service Module is a versatile and feature-rich telephony solution designed for businesses seeking to enhance their voice communication infrastructure. This module, which is a part of Cisco's Survivable Remote Site Telephony (SRST) product line, is specifically engineered to support both Foreign Exchange Station (FXS) and Foreign Exchange Office (FXO) lines, making it an excellent choice for small to mid-sized enterprise branches or remote sites.

The 16FXS FXO Service Module accommodates 16 FXS ports and 2 FXO ports. Each FXS port can support a standard voice or modem application, enabling users to connect fax machines, analog telephones, or modems. The FXO ports, on the other hand, are designed for PSTN (Public Switched Telephone Network) connectivity, allowing businesses to make and receive calls from the PSTN.

One of the standout features of this module is its SRST functionality. In the event of a WAN link failure, the module can automatically switch to use the available PSTN lines for voice communication, ensuring that businesses remain connected to their customers and partners even during network downtime.

The 16FXS FXO Service Module also offers advanced call handling features such as call transfer, call hunting, call forwarding, and call waiting. These features allow businesses to optimize their call handling processes and improve overall productivity.

Additionally, this module is compatible with Cisco Unified Communications Manager (CUCM) and Cisco Unified Communications Manager Express (CME), providing seamless integration with existing voice communication systems. This ensures a smooth transition for businesses looking to upgrade their telephony infrastructure.

The Cisco SM-X-16FXS/2FXO Service Module is housed in a compact, 1RU form factor, making it an ideal choice for space-constrained environments. It also supports Power over Ethernet (PoE) for FXS ports, simplifying the cabling requirements and reducing the number of power outlets needed.

In summary, the Cisco SM-X-16FXS/2FXO Service Module is a powerful and flexible telephony solution that offers businesses the ability to support both FXS and FXO lines, advanced call handling features, and seamless integration with existing Cisco voice communication systems. Its compact design, compatibility with PoE, and SRST functionality make it an excellent choice for small to mid-sized enterprise branches or remote sites.

The Cisco SM-X-16FXS/2FXO Service Module is a telecommunications device that provides 16 FXS (Foreign Exchange Subscriber) ports and 2 FXO (Foreign Exchange Office) ports. This module is ideal for businesses and organizations that require a large number of analog voice lines for their telephone system. Here are some pros and cons of buying this service module:

Pros:

1. Supports a large number of analog voice lines: The SM-X-16FXS/2FXO Service Module provides 16 FXS ports and 2 FXO ports, making it suitable for businesses with a large number of voice lines.

2. High-density design: The compact design of the module allows for a high-density installation, saving rack space and reducing cabling requirements.

3. Advanced features: The module supports advanced features such as Caller ID, Call Waiting, and Call Forwarding, which can enhance the functionality of the telephone system.

4. Compatibility: The SM-X-16FXS/2FXO Service Module is compatible with various Cisco call manager software versions, making it a flexible solution for different telephony environments.

5. Reliability: Cisco is known for its high-quality and reliable products, which can ensure that the SM-X-16FXS/2FXO Service Module provides stable and consistent voice services.

Cons:

1. Cost: The SM-X-16FXS/2FXO Service Module can be expensive, especially for small businesses with limited budgets.

2. Complexity: The installation and configuration of the module can be complex, requiring specialized knowledge and resources.

3. Power Consumption: The module consumes a significant amount of power, which can increase the overall power consumption of the telephone system.

4. Limited Expansion: The module provides a fixed number of ports, which may limit the ability to expand the telephone system in the future.

Conclusion:

The Cisco SM-X-16FXS/2FXO Service Module is a powerful and feature-rich solution for businesses and organizations that require a large number of analog voice lines. Its high-density design, advanced features, and compatibility with various Cisco call manager software versions make it a versatile option for telephony environments. However, its cost, complexity, power consumption, and limited expansion may be drawbacks for some organizations.

Recommendation:

If your organization requires a large number of analog voice lines and can afford the cost and complexity of the Cisco SM-X-16FXS/2FXO Service Module, then it is a recommended option due to its reliability, advanced features, and compatibility with various Cisco call manager software versions. However, if your organization has a limited budget or only requires a few voice lines, then you may consider alternative solutions with lower costs and simpler installation processes.

Details:

PSTN backup connectivity. Branch office telephony solutions. Ideal For: Enterprise voice deployments. Cisco SM-X-16FXS/2FXO:: SM-X-16FXS/2FXO Service Module - High-density voice interface card designed for ISR 4000 Series Integrated Services Routers.

Key Features: model: SM-X-16FXS/2FXO. Fax server connections. Legacy analog device connectivity. 2x FXO Foreign Exchange Office ports for connecting to PSTN lines or PBX trunk.

Unified Communications integration. Applications: Connects traditional analog phone and fax machines to modern IP-based voice networks, provides PSTN fail over connectivity, enables smooth migration from legacy PBX systems VoIP infrastructure. Port Configuration:16x FXS Foreign Exchange Station ports for connecting analog phone, fax machines, and other station devices. This module provides analog voice connectivity for enterprise telephony and unified communications deployments.

part #: smx16fxs2fxo prices

  • $361.45-$650.00

specifications switchchunk:

  • brand: Cisco
  • mpn: Sm-x-16fxs/2fxo
  • part type: Module
  • connectors: Rj-11
  • compatible brand: Specifically Isr 4000 Series Routers, For Cisco
  • unit type: Unit
  • number of ports: 18
  • network ports: Rj-11/analog Voice

offer switchchunk:

  • options: Ship-to-home
  • best offers: True
  • started: January 17, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 3

returns switchchunk:

  • policy: No Returns

general switchchunk:

  • condition: Open box
  • Enterprise Networking, Servers > Switches Hubs > Switch Modules

payments switchchunk:

  • wallet: Google-pay
  • credit card: Diners-club
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shipping switchchunk:

  • carrier: UPS, FedEx, USPS
  • transit: 10-16 Days
  • service: UPS Ground Saver, FedEx Ground Economy, USPS Media Mail, USPS Ground Advantage
  • type: Calculated
  • class: Economy, Standard
  • cost: $16.50

seller switchchunk:

  • city: Houston, Texas
  • # reviews: 3703
  • rating: 100.0%
part type: module, connectors: rj-11, compatible brand: specifically isr 4000 series routers, for cisco, unit type: unit, number of ports: 18, network ports: rj-11/analog voice,
category: computers > enterprise networking, servers > switches hubs > switch modules, sku: 9289353545449792,

Cisco SM-X-16FXS-2FXO Is Similar To:

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5 offers $361.45–$650.00 USD
  • Offer #1: $499.90 price + $0.00 shipping estimate = $499.90* total. Quantity Available: 10.FREE SHIPPING
  • Offer #2: $361.45 price + $44.35 shipping estimate = $405.80* total.+$44.35 shipping
  • Offer #3: $650.00 price + $10.36 shipping estimate = $660.36* total.+$10.36 shipping
  • Offer #4: $900.00 price + $300.00 shipping estimate = $1200.00* total. Good condition.+$300.00 shipping
  • Offer #5: $100.00 price + $0.00 shipping estimate = $100.00* total. This Unit has had its Serial Number covered for security. Type: Network Interface Module.FREE SHIPPING

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