United States$5,000,000+
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I
Ira Langford
5
16FXS/2FXO voice module delivers excellent analog voice clarity and reliability.
SM-X-16FXS/2FXO
High Density Analog Voice Module for ISR4K - 16FXS and 2FXO
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Name:
SM-X-16FXS/2FXO
- Description:
- High Density Analog Voice Module for ISR4K - 16FXS and 2FXO
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728056946
- Condition:
- Warranty:
- 3
- List Price:
$5,309.00
- Price:
$2,452.0053.8% off
Quantity:
1
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SM-X-16FXS/2FXO Overview
SM-X-16FXS/2FXO is a specialized voice interface module designed to integrate legacy telephony with modern VoIP solutions. Engineered with 16 FXS ports and 2 FXO ports, this module provides reliable analog voice connectivity using standard RJ-11 connectors while supporting key telephony protocols, ensuring smooth bridging between PSTN and IP-based communications systems.
Optimized for deployment in unified communications, call centers, and VoIP gateways, the SM-X-16FXS/2FXO boasts a modular form factor for easy installation in network chassis and supports advanced telephony features such as Caller ID and Loop Supervision. Its design caters specifically to organizations looking to enhance voice communication capabilities while maintaining compatibility with established telephony infrastructures.
SM-X-16FXS/2FXO price is $2,452.00, a 53.8% saving from the Cisco list price of $5,309.00. SM-X-16FXS/2FXO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SM-X-16FXS/2FXO for additional pricing. Browse the full Cisco Catalyst 8000 Series Edge Platforms Modules & Cards series or explore all Cisco products.
SM-X-16FXS/2FXO Specifications
- Product Type
- Voice Interface Card
- Module Type
- FXS/FXO Module
- Data Rate
- N/A
- Connector Type
- RJ-11
- Supported Protocols
- SIP/SS7
- Form Factor
- Modular
- Operating Temperature
- N/A
- Storage Temperature
- N/A
- Input Voltage
- N/A
- Compatibility
- Telephony systems, VoIP gateways
- Max Speed
- N/A
- Supported Features
- 16 FXS ports, 2 FXO ports, Caller ID, Loop Supervision
- Power Consumption
- N/A
- Interface Ports
- FXS/FXO
- Expansion Slots
- NIM
- Product Name
- SM-X-16FXS/2FXO
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 SM-X-16FXS/2FXO |  NIM-PVDM-128 |  NIM-16A |  UCS-E180D-M3/K9 |  NIM-VAB-M | |
|---|---|---|---|---|---|
| Compatibility | Telephony systems, VoIP gateways | Cisco / Juniper / Arista | Cisco / Juniper / Arista | Cisco UCS | Cisco, Juniper, Arista, Dell, HP |
| Connector Type | RJ-11 | SFP+ | RJ-45 | SFP+ | SFP+ |
| Data Rate | N/A | 40Gbps | 1G/10G | 10Gbps | 10Gbps |
| Depth | N/A | N/A | 6.0 inches | N/A | 4.5 inches |
| Expansion Slots | NIM | NIM | NIM | N/A | NIM |
| Form Factor | Modular | Modular (PCIe) | Modular | Modular | PCIe |
| Height | N/A | N/A | 0.5 inches | N/A | 1.0 inches |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | FXS/FXO | SFP+ | Ethernet | Ethernet | Ethernet |
| Max Speed | N/A | 40Gbps | 10Gbps | 10Gbps | 10Gbps |
| Module Type | FXS/FXO Module | NIM | Ethernet | Ethernet Module | WAN Module |
| Operating Temperature | N/A | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | 15W | N/A | 15W |
| Product Name | SM-X-16FXS/2FXO | NIM-PVDM-128 | NIM-16A | Cisco UCS-E180D-M3/K9 | NIM-VAB-M |
| Product Type | Voice Interface Card | Network Module | Network Module Card | Network Module / Network Card | Network Module / Network Card |
| Storage Temperature | N/A | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | 16 FXS ports, 2 FXO ports, Caller ID, Loop Supervision | Auto-negotiation / Jumbo Frames | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Supported Protocols | SIP/SS7 | TCP/IP | TCP/IP | TCP/IP, iSCSI | TCP/IP, iSCSI |
| Weight | N/A | N/A | 1.2 lbs | N/A | 0.5 lbs |
| Width | N/A | N/A | 4.4 inches | N/A | 3.0 inches |
Reviews & Ratings
J
Jace Wallace
4
Stable telephony integration for ISR4K deployments.
K
Kellen Morris
5
Professional voice module with consistent call quality.
L
Landon Reed
3
Reliable high-density analog expansion.
M
Milo Grant
4
Smooth installation and predictable voice performance.
N
Nash Bennett
5
Efficient telephony support for enterprise networks.
Questions & Answers
What is the SM-X-16FXS/2FXO High Density Analog Voice Module for ISR4K?
The SM-X-16FXS/2FXO is a Cisco ISR4K voice module offering 16 analog FXS ports and 2 FXO ports for seamless PSTN and PBX integration in enterprise networks.
Which routers support the SM-X-16FXS/2FXO module?
The module is fully compatible with Cisco 4400 and 4300 Series ISR4K routers featuring the SM-X expansion slot.
How many FXS and FXO ports does the module provide?
It provides 16 FXS ports for analog endpoint connectivity and 2 FXO ports for PSTN trunk access.
What are the primary use cases for this voice module?
Key use cases include VoIP gateway deployment, PBX trunking, analog phone extension support, and PSTN failover in branch offices.