United States
| Name: |
NM-HDA-4FXS |
| Description: | High density analog voice/fax network module with 4 FXS Cisco Router Network Module |
| Rating: |
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Added to cart 30 times recently |
| Availability: |
In stock - Ready to Ship
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| GTIN: | 746320707334  |
| Warranty: |
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3 Year Extended Warranty
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Express Delivery Across the USA
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Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
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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.
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NM-HDA-4FXS Overview
NM-HDA-4FXS is a high-performance FXS voice interface module designed for seamless analog telephony connectivity in enterprise communication systems. Engineered for robust performance, this module features industry-standard RJ-11 connectors and a modular form factor, making it a perfect match for Cisco voice gateways and analog PBX systems while ensuring reliable caller ID support, loop start signaling, and battery feed functionality.
Optimized for modern installations, NM-HDA-4FXS operates reliably in environments ranging from 0 to 70°C, ensuring durability and consistent performance under demanding conditions. Its design not only simplifies integration into existing networks but also makes it an excellent choice for expanding analog voice capacity and upgrading legacy telephony infrastructure with proven, high-quality technology.
What is the price of NM-HDA-4FXS?
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NM-HDA-4FXS Specifications
| Product Type | Voice Interface Module |
| Module Type | FXS Module |
| Data Rate | N/A |
| Connector Type | RJ-11 |
| Supported Protocols | Analog Telephony |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 5V |
| Compatibility | Cisco Voice Gateways, Analog PBX Systems |
| Max Speed | N/A |
| Supported Features | Caller ID, Loop Start, Battery Feed |
| Power Consumption | 5W |
| Interface Ports | FXS |
| Expansion Slots | N/A |
| Product Name | NM-HDA-4FXS |
| Height | 1.0 inches |
| Width | 4.0 inches |
| Depth | 6.0 inches |
| Weight | 0.5 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Product Type | Network Module / Network Card | Voice Interface Module | Network Module | Network Module / Network Card | Voice Interface Card |
| Module Type | Ethernet | FXS Module | SFP28 | Ethernet | FXS/FXO Module |
| Data Rate | 100Mbps | N/A | 100G | 10Gbps | N/A |
| Connector Type | RJ-45 | RJ-11 | QSFP28 | SFP+ | RJ-11 |
| Supported Protocols | TCP/IP | Analog Telephony | TCP/IP | TCP/IP, iSCSI | SIP/SS7 |
| Form Factor | HWIC | Modular | Modular | PCIe | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | N/A |
| Storage Temperature | N/A | -40 to 85°C | N/A | -40 to 85°C | N/A |
| Input Voltage | N/A | 5V | 3.3V | 3.3V / 5V | N/A |
| Compatibility | Cisco Routers | Cisco Voice Gateways, Analog PBX Systems | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Telephony systems, VoIP gateways |
| Max Speed | 100Mbps | N/A | 100Gbps | 10Gbps | N/A |
| Supported Features | Auto-negotiation, Full-duplex | Caller ID, Loop Start, Battery Feed | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | 16 FXS ports, 2 FXO ports, Caller ID, Loop Supervision |
| Power Consumption | N/A | 5W | N/A | 8W | N/A |
| Interface Ports | Ethernet | FXS | QSFP28 | Ethernet | FXS/FXO |
| Expansion Slots | HWIC | N/A | N/A | N/A | NIM |
| Product Name | HWIC-2FE | NM-HDA-4FXS | P3-15-U-QSFP28 | ME0DSFUI407C | SM-X-16FXS/2FXO |
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