United States
Name:
SM-X-16FXS/2FXO
- Description:
- High Density Analog Voice Module for ISR4K - 16FXS and 2FXO
- Rating:
-
(0)
Added to cart 11 times recently
- Availability:
-
In stock - Ready to Ship
- Brand:
- Cisco
- Condition:
- GTIN:
- 889728056946
- Warranty:
-
3 - List Price:
-
$5,309.00
- Price:
-
$2,452.00
54% off
Business price:
Enroll your business for free
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Exclusive Bulk Discounts tailored to your order size
Priority Processing with a dedicated account manager
Fast Response: Get your custom quote within 5-10 minutes during business hours (Mon-Fri, 6:00 AM – 6:00 PM PST)
Holiday Bonus: Submissions on holidays receive priority handling the next business day
Shipping:
Payment:
Shipping as per your need
Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
SM-X-16FXS/2FXO
High Density Analog Voice Module for ISR4K - 16FXS...
$5,309.00
$2,452.00
5 in Global Warehouse
$2,452.00
54% off
TRUSTED, TRIED, PROVEN
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.
What is the price of SM-X-16FXS/2FXO?
Lowest price of SM-X-16FXS/2FXO is $ 2,452.00. Shop now! Get further exclusive discounts with bulk quotation on SM-X-16FXS/2FXO
Explore more options from Network Modules And Cards or explore other 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
|
|
|
|
|
|
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Arista | Cisco, Juniper, Arista, Dell, HP | Telephony systems, VoIP gateways | Cisco UCS | Cisco / Juniper / Arista |
| Connector Type | RJ-45 | SFP+ | RJ-11 | SFP+ | SFP+ |
| Data Rate | 1G/10G | 10Gbps | N/A | 10Gbps | 40Gbps |
| Depth | 6.0 inches | 4.5 inches | N/A | N/A | N/A |
| Expansion Slots | NIM | NIM | NIM | N/A | NIM |
| Form Factor | Modular | PCIe | Modular | Modular | Modular (PCIe) |
| Height | 0.5 inches | 1.0 inches | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V |
| Interface Ports | Ethernet | Ethernet | FXS/FXO | Ethernet | SFP+ |
| Max Speed | 10Gbps | 10Gbps | N/A | 10Gbps | 40Gbps |
| Module Type | Ethernet | WAN Module | FXS/FXO Module | Ethernet Module | NIM |
| Operating Temperature | 0 to 70°C | 0 to 70°C | N/A | 0 to 70°C | 0 to 70°C |
| Power Consumption | 15W | 15W | N/A | N/A | N/A |
| Product Name | NIM-16A | NIM-VAB-M | SM-X-16FXS/2FXO | Cisco UCS-E180D-M3/K9 | NIM-PVDM-128 |
| Product Type | Network Module Card | Network Module / Network Card | Voice Interface Card | Network Module / Network Card | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | 16 FXS ports, 2 FXO ports, Caller ID, Loop Supervision | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames |
| Supported Protocols | TCP/IP | TCP/IP, iSCSI | SIP/SS7 | TCP/IP, iSCSI | TCP/IP |
| Weight | 1.2 lbs | 0.5 lbs | N/A | N/A | N/A |
| Width | 4.4 inches | 3.0 inches | N/A | N/A | N/A |
Showing - of 0 Results
Questions & Answers
Q
What is the SM-X-16FXS/2FXO High Density Analog Voice Module for ISR4K?
A
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.
Q
Which routers support the SM-X-16FXS/2FXO module?
A
The module is fully compatible with Cisco 4400 and 4300 Series ISR4K routers featuring the SM-X expansion slot.
Q
How many FXS and FXO ports does the module provide?
A
It provides 16 FXS ports for analog endpoint connectivity and 2 FXO ports for PSTN trunk access.
Q
What are the primary use cases for this voice module?
A
Key use cases include VoIP gateway deployment, PBX trunking, analog phone extension support, and PSTN failover in branch offices.
Q
How do I install the SM-X-16FXS/2FXO in my ISR4K router?
A
Power off the router, slide the SM-X-16FXS/2FXO into an available SM-X slot, secure with screws, and power on the device.
Q
What is the typical configuration process for the module?
A
Use Cisco IOS commands: define dial-peers, assign voice-port numbers, configure signaling (loop-start or ground-start) and apply PSTN or PBX routing policies.
Q
What signaling types are supported on the FXS and FXO ports?
A
FXS ports support loop-start and ground-start signaling; FXO ports support loop-start. All ports offer Caller ID and polarity reversal.
Q
Can the module handle offline call processing?
A
Yes, with Cisco Unified Border Element (CUBE) or Cisco Survivable Remote Site Telephony (SRST), it ensures continuous call processing during WAN outages.
Q
What power specifications does the SM-X-16FXS/2FXO module require?
A
It draws 12W typical and 15W maximum from the ISR4K router’s power supply, with no additional external power needed.
Q
What environmental conditions does the module support?
A
Operating temperature range is 0°C to 40°C, with storage tolerance from –40°C to 70°C and relative humidity of 5%–85% non-condensing.
Q
What are the module’s dimensions and weight?
A
The SM-X-16FXS/2FXO measures 4.2 x 1.9 x 0.6 inches (107 x 49 x 15 mm) and weighs approximately 0.2 lbs (0.09 kg).
Q
How does the module enhance voice quality?
A
It leverages Cisco’s hardware DSP resources for echo cancellation, jitter buffering, and silence suppression, ensuring carrier-grade voice clarity.
Q
Is there a software license required for the SM-X-16FXS/2FXO?
A
No additional license is needed; voice functionality is included in the Cisco IOS XE Universal or Advantage feature set on ISR4K routers.
Q
What warranty and support options are available?
A
Cisco offers a limited lifetime hardware warranty and optional SMARTnet support for software updates, advanced replacement, and 24/7 technical assistance.
Q
Where can I purchase the SM-X-16FXS/2FXO module?
A
Authorized Cisco channel partners and distributors globally stock and sell the SM-X-16FXS/2FXO; contact your Cisco reseller or visit cisco.com to locate one.
Q
How does this module improve ROI in a branch office deployment?
A
By consolidating analog voice and PSTN connectivity into a single router chassis, it reduces hardware costs, simplifies management, and accelerates deployment.
