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EM3-HDA-8FXS/DID
- Description:
- Cisco 2900 and 3900 series module EM3-HDA-8FXS/DID 8-Port FXS/DID Voice/Fax expansion module with FXS & DID
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EM3-HDA-8FXS/DID
Cisco 2900 and 3900 series module EM3-HDA-8FXS/DID...
$1,890.00
$795.00
41 in Global Warehouse
$795.00
58% off
TRUSTED, TRIED, PROVEN
EM3-HDA-8FXS/DID Overview
EM3-HDA-8FXS/DID is a high-density FXS/DID telephony interface card engineered to deliver eight analog FXS ports with integrated direct inward dialing support. Designed for deployment in environments such as IP-PBX systems, VoIP gateways, and traditional PSTN networks, this module connects analog devices via standard RJ-11 connectors while supporting industry-standard SIP signaling for robust call processing.
Built on a PCIe form factor for seamless installation in data centers and enterprise applications, the EM3-HDA-8FXS/DID module offers key telephony features including caller ID and call waiting to modernize legacy voice systems. With its reliable operating temperature range and versatile design, it is ideally suited for customers looking to bridge conventional analog telephony infrastructure with advanced digital network capabilities.
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EM3-HDA-8FXS/DID Specifications
| Product Type | Telephony Interface Card |
| Module Type | FXS/DID |
| Data Rate | N/A |
| Connector Type | RJ-11 |
| Supported Protocols | SIP |
| Form Factor | PCIe |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | N/A |
| Compatibility | N/A |
| Max Speed | N/A |
| Supported Features | Direct Inward Dialing (DID), Caller ID, Call Waiting |
| Power Consumption | N/A |
| Interface Ports | 8 x FXS |
| Expansion Slots | PCIe Slot |
| Product Name | EM3-HDA-8FXS/DID |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
EM3-HDA-8FXS/DID Use Case
Remote Branch Office Telephony Expansion with EM3-HDA-8FXS/DID
A national retail chain deploys the EM3-HDA-8FXS/DID 8-Port FXS/DID Voice/Fax expansion module on Cisco 2900 and 3900 series routers to integrate analog handsets and fax machines across 75 remote outlets. By leveraging existing analog devices, the IT team achieves 30% lower CAPEX, centralized voice provisioning, and consistent QoS across all locations.
Secure Healthcare Fax Integration Using EM3-HDA-8FXS/DID
A multi-clinic healthcare provider implements the EM3-HDA-8FXS/DID module on Cisco 3900 routers to connect analog fax terminals for patient records. This solution ensures HIPAA-compliant document transmission, eliminates third-party fax services, and reduces fax downtime by 95%, delivering rapid, secure file delivery and audit-ready logging.
Scalable DID-Based Contact Center with EM3-HDA-8FXS/DID
A financial services firm scales its IVR and agent operations by installing the EM3-HDA-8FXS/DID expansion module on Cisco 2900 series routers. Eight additional DID lines allow direct inward dialing, optimized call routing, and dynamic load balancing. The result: 40% faster call handling, 25% higher first-call resolution, and simplified analog line management.
Quality Certifications
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Product Comparison Table
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| Compatibility | Cisco, Dell, HP | Cisco / Juniper / Arista / Dell / HP | N/A | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Connector Type | SFP+ | RJ-45 | RJ-11 | SFP+ | RJ-45 |
| Data Rate | 10G | 1Gbps | N/A | 10G | 1Gbps |
| Depth | 0.7 inches | N/A | N/A | 10.0 inches | N/A |
| Expansion Slots | N/A | N/A | PCIe Slot | N/A | N/A |
| Form Factor | PCIe | Modular | PCIe | PCIe | Modular |
| Height | 1.5 inches | N/A | N/A | 1.5 inches | N/A |
| Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V |
| Interface Ports | SFP+ | Ethernet | 8 x FXS | Ethernet / SFP+ | Ethernet |
| Max Speed | 10Gbps | 1Gbps | N/A | 10Gbps | 1Gbps |
| Module Type | Ethernet | Ethernet | FXS/DID | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 5W | N/A | N/A | 8W | 45W |
| Product Name | NACNM-50UL= | NM-16ESW-1GIG | EM3-HDA-8FXS/DID | NME-NAM-120S Network Module | SM-D-ES3G-48-P |
| Product Type | Network Card | Network Module | Telephony Interface Card | Network Module | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Direct Inward Dialing (DID), Caller ID, Call Waiting | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP | SIP | TCP/IP | TCP/IP |
| Weight | 1.2 lbs | N/A | N/A | 1.2 lbs | N/A |
| Width | 3.4 inches | N/A | N/A | 3.0 inches | N/A |
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Questions & Answers
Q
What is the Cisco EM3-HDA-8FXS/DID module?
A
The EM3-HDA-8FXS/DID is an 8-port FXS/DID voice and fax expansion module designed for Cisco 2900 and 3900 Series Integrated Services Routers.
Q
Which Cisco router platforms support the EM3-HDA-8FXS/DID module?
A
This module is compatible with Cisco ISR 2900 and 3900 Series routers equipped with an Enhanced High-Density Advanced Services (EM3) voice module slot.
Q
How many FXS and DID ports are available on the module?
A
The EM3-HDA-8FXS/DID provides eight FXS ports that can be configured for DID operation on all ports simultaneously for inbound direct-dial voice or fax services.
Q
Does the EM3-HDA-8FXS/DID support fax transmission?
A
Yes. The module supports T.38 fax relay and fax pass-through for reliable fax over IP and traditional PSTN networks.
Q
Can I use the module for both voice and data simultaneously?
A
Yes. The EM3-HDA-8FXS/DID delivers simultaneous voice and fax services while preserving the router’s full data throughput.
Q
What voice features does the module support?
A
It supports Caller ID generation, call progress detection, ring voltage control, silence suppression, comfort noise generation, and echo cancellation.
Q
How do I install the EM3-HDA-8FXS/DID module?
A
Power down the Cisco 2900 or 3900 Series router, slide the module into the EM3 slot, secure the captive screws, and power up the system for automatic recognition.
Q
How is the EM3-HDA-8FXS/DID configured in the router?
A
Use Cisco IOS CLI commands under global configuration mode (voice-port, voice-class, dial-peer) to define FXS interface parameters, signaling, and codec settings.
Q
What codecs are supported on the module?
A
The module supports G.711 μ-law/A-law, G.729, G.723.1, and G.726 codecs for optimized bandwidth and voice quality.
Q
What is the maximum number of simultaneous calls?
A
The EM3-HDA-8FXS/DID module enables up to eight simultaneous voice or fax calls over its eight FXS/DID ports.
Q
Does the module require external power?
A
No. It draws all necessary power directly from the host Cisco router’s internal power supply, simplifying installation and cabling.
Q
Is the EM3-HDA-8FXS/DID covered under Cisco warranty?
A
Yes. It is backed by Cisco’s standard limited lifetime hardware warranty and access to Cisco TAC support.
Q
How does the module handle dial-tone detection and supervision?
A
It supports robust dial-tone detection, off-hook/on-hook supervision, caller ID FSK signal processing, and seized-line detection for DID trunks.
Q
Can I hot-swap the EM3-HDA-8FXS/DID module?
A
No. To ensure stability, you must power down the router before installing or removing the module.
Q
What environmental specs apply to the module?
A
It operates at 0° to 40°C (32°–104°F), 10–90% non-condensing humidity, and meets FCC, CE, and UL safety standards.
Q
Where can I download software updates for the EM3-HDA-8FXS/DID?
A
Cisco IOS feature updates and patches are available via Cisco.com under the Software Download Center for your specific ISR platform.
