United States$5,000,000+
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Nathan Brooks
5
Versatile voice module handling mixed FXS and FXO needs.
EM-HDA-3FXS/4FXO
7-port voice/fax expansion module - 3FXS/4FXO Cisco Router N...
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Name:
EM-HDA-3FXS/4FXO
- Description:
- 7-port voice/fax expansion module - 3FXS/4FXO Cisco Router Network Module
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- Brand:
- Cisco
- Condition:
- Warranty:
- 3
- List Price:
$1,645.00
- Price:
$627.0061.9% off
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EM-HDA-3FXS/4FXO Overview
EM-HDA-3FXS/4FXO is a high-performance telephony interface module that integrates both FXS and FXO ports for seamless analog voice connectivity. This module provides three FXS ports for directly connecting analog telephones and four FXO ports for interfacing with external telephone lines, making it ideal for enterprises looking to consolidate their voice and data infrastructures in one solution.
Designed for compatibility with unified communications platforms and VoIP gateways, the EM-HDA-3FXS/4FXO features RJ11 connectors and a modular form factor that allows for flexible installation in a variety of network environments. Offering essential features such as echo cancellation and caller ID delivery, this analog interface module is engineered to support mission-critical voice applications while meeting stringent operating and storage temperature requirements.
EM-HDA-3FXS/4FXO price is $627.00, a 61.9% saving from the Cisco list price of $1,645.00. EM-HDA-3FXS/4FXO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EM-HDA-3FXS/4FXO for additional pricing. Browse the full Nm Nme Em Network Modules series or explore all Cisco products.
EM-HDA-3FXS/4FXO Specifications
- Product Type
- Telephony Interface Module
- Module Type
- Analog FXS/FXO Module
- Data Rate
- N/A
- Connector Type
- RJ11
- Supported Protocols
- Analog Telephony Signaling
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 48V DC
- Compatibility
- Unified Communications Platforms / VoIP Gateways
- Max Speed
- N/A
- Supported Features
- Simultaneous 3 FXS & 4 FXO interfaces, echo cancellation, caller ID detection
- Power Consumption
- 5W
- Interface Ports
- FXS / FXO
- Expansion Slots
- N/A
- Product Name
- EM-HDA-3FXS/4FXO
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
EM-HDA-3FXS/4FXO Use Case
Remote Branch Analog Telephony Integration with EM-HDA-3FXS/4FXO
A retail chain deploys the EM-HDA-3FXS/4FXO-7-port voice/fax expansion module on Cisco ISR routers at remote outlets to connect existing analog phones and fax machines directly to the VoIP network. This delivers seamless voice and fax services over WAN, reduces PSTN line costs by 30%, and ensures local survivability during central site outages.
Secure Healthcare Fax Consolidation via Cisco EM-HDA-3FXS/4FXO Module
A multi-site healthcare provider installs the 3FXS/4FXO expansion module in Cisco routers to aggregate analog fax traffic from clinics into a centralized, HIPAA-compliant fax server. This streamlines document workflows, enhances data security, and cuts per-page faxing expenses by 40% while maintaining regulatory compliance.
Business Continuity Voice Failover with Cisco 3FXS/4FXO Expansion Module
A financial services firm integrates the EM-HDA-3FXS/4FXO module into its Cisco router to provide automatic PSTN fallback for critical voice lines during IP network failures. This solution guarantees 99.9% uptime for trader communications, minimizes revenue impact from service disruptions, and supports rapid failover without additional hardware.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 EM-HDA-3FXS/4FXO |  NM-HDV2-1T1/E1 |  NME-NAC-K9 |  EM-HDA-8FXS |  EM-HDA-6FXO | |
|---|---|---|---|---|---|
| Product Type | Telephony Interface Module | Network Module | Network Module / Network Card | Telephony Interface Module | Telephony Interface Module |
| Module Type | Analog FXS/FXO Module | WAN | Ethernet | FXS | FXO |
| Data Rate | N/A | 1.544 Mbps / 2.048 Mbps | 10Gbps | N/A | N/A |
| Connector Type | RJ11 | RJ-48 | SFP+ | RJ-11 | FXO |
| Supported Protocols | Analog Telephony Signaling | N/A | TCP/IP | SIP / SS7 | PSTN / VoIP |
| Form Factor | Modular | Modular | PCIe | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 48V DC | 3.3V | 3.3V | 5V | 5V |
| Compatibility | Unified Communications Platforms / VoIP Gateways | N/A | Cisco / Juniper / Arista / Dell / HP | Cisco / Avaya | IP-PBX / SIP Gateway / Unified Communications |
| Max Speed | N/A | N/A | 10Gbps | N/A | N/A |
| Supported Features | Simultaneous 3 FXS & 4 FXO interfaces, echo cancellation, caller ID detection | N/A | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Caller ID, Call Waiting, Conference Calling | FXO Signaling / Caller ID / Call Waiting |
| Power Consumption | 5W | N/A | 15W | 10W | N/A |
| Interface Ports | FXS / FXO | N/A | SFP+ | FXS | 6 FXO Ports |
| Expansion Slots | N/A | NIM | N/A | N/A | N/A |
| Product Name | EM-HDA-3FXS/4FXO | NM-HDV2-1T1/E1 | NME-NAC-K9 Network Access Card | EM-HDA-8FXS | EM-HDA-6FXO |
| Height | N/A | N/A | 0.5 inches | 1.73 inches | N/A |
| Width | N/A | N/A | 3.6 inches | 3.44 inches | N/A |
| Depth | N/A | N/A | 0.7 inches | N/A | N/A |
| Weight | N/A | N/A | 0.9 lbs | 0.5 lbs | N/A |
Reviews & Ratings
H
Huma Riaz
4
Good call quality across all ports.
V
Victor Santos
5
Stable and reliable for daily use.
J
Janine Cole
3
Easy integration with existing router.
Z
Zeeshan Ali
4
Satisfied with performance.
Questions & Answers
What is the Cisco EM-HDA-3FXS/4FXO module?
The EM-HDA-3FXS/4FXO is a 7-port voice/fax expansion module for Cisco routers, offering 3 FXS and 4 FXO ports for analog PBX, PSTN and fax integration.
Which Cisco routers support the EM-HDA-3FXS/4FXO module?
This module is supported on Cisco ISR G2 and G3 platforms, including the 2800, 2900, 3800 and 3900 series routers with a high-density voice slot.
What do FXS and FXO ports do on this module?
FXS ports deliver dial tone to analog devices (phones/faxes), while FXO ports connect the router to a PSTN line or analog PBX trunk.
How many concurrent voice calls can it handle?
This module can handle up to 7 simultaneous analog voice or fax calls, limited by router DSP resources and IOS configuration.