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EM-HDA-6FXO
6PORT VOICE FAX EXPANSION MODULE FXO
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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EM-HDA-6FXO is a high-performance FXO telephony interface module designed to integrate analog telephone lines with digital communication networks. Featuring six dedicated FXO ports, this module delivers reliable PSTN connectivity and supports robust analog-to-digital conversion, making it ideal for modern unified communications environments.
This modular FXO card is engineered for straightforward installation in IP-PBX systems, SIP gateways, and other telephony platforms. Its optimized design ensures compatibility with a variety of communication devices, enabling seamless integration into existing networks and improving overall call handling in mission-critical applications.
EM-HDA-6FXO price is $578.00, a 61.8% saving from the Cisco list price of $1,515.00. EM-HDA-6FXO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EM-HDA-6FXO for additional pricing. Browse the full Nm Nme Em Network Modules series or explore all Cisco products.
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| Product Type | Telephony Interface Module | Network Module / Network Card | Network Module / Network Card | WAN Module | Network Module |
| Module Type | FXO | Ethernet | Ethernet | WAN | Ethernet |
| Connector Type | FXO | SFP+ | SFP+ | RJ-45 | RJ-45 |
| Supported Protocols | PSTN / VoIP | TCP/IP, iSCSI | TCP/IP / iSCSI | TCP/IP | TCP/IP, UDP |
| Form Factor | Modular | PCIe | 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 | 5V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | IP-PBX / SIP Gateway / Unified Communications | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco | Routers, Switches, Servers |
| Supported Features | FXO Signaling / Caller ID / Call Waiting | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Interface Ports | 6 FXO Ports | Ethernet, SFP+ | Ethernet | Ethernet | Ethernet |
| Product Name | EM-HDA-6FXO | NM-1A-T3/E3 High-Performance 10G Ethernet Module | NME-VMSS-HP32 | NME-WAE-302-K9 | NM-CEM-4TE1 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Handled multiple FXO lines reliably.
Clear voice quality and stable operation.
Good density for voice gateways.
Installed smoothly without issues.
Performed as expected.
The EM-HDA-6FXO is a six-port FXO expansion card that integrates analog PSTN voice and fax lines into compatible IP-PBX or telecom platforms, enabling seamless call routing and fax over analog trunks.
It provides six FXO ports, allowing connection of up to six analog PSTN lines for voice calling and fax services.
Features include 6 FXO interfaces, hot-swappable design, failover trunk routing, echo cancellation, low-latency fax support, and compatibility with major IP-PBX systems.
The EM-HDA-6FXO works with industry-standard IP-PBX platforms supporting HDA expansion slots, including leading Linux-based and proprietary telephony appliances.
Power down the host system, insert the EM-HDA-6FXO into an available HDA expansion slot, secure the mounting screws, reconnect power, and follow on-screen prompts to activate the module.
Yes. The EM-HDA-6FXO supports fax relay via T.38 and G.711 pass-through, ensuring reliable analog fax transmission over IP networks.
Absolutely. The EM-HDA-6FXO connects directly to analog PSTN trunks via six FXO ports, facilitating traditional voice and fax services.
Access your IP-PBX web GUI, navigate to trunk settings, add the EM-HDA-6FXO device, assign FXO ports to dial plans, and enable T.38 for fax support.
The EM-HDA-6FXO draws low power directly from the host chassis. Ensure your system PSU meets the vendor’s minimum wattage specifications for expansion modules.
Install the latest host system firmware or module driver from the vendor’s support portal. Firmware vX.Y.Z or higher is recommended for optimal performance.
Verify cable connections, confirm FXO port status LEDs, check trunk settings in the IP-PBX GUI, update firmware, and review module logs for error codes.
Yes. The EM-HDA-6FXO is hot-swappable in compatible hosts, allowing insertion or removal without powering down the IP-PBX chassis.
It supports six simultaneous voice or fax sessions, one per FXO port, ensuring dedicated line access for each connection.
Yes. Integrate the EM-HDA-6FXO with SIP-based VoIP gateways to combine analog PSTN connectivity with IP voice networks.
Dimensions: 160 × 105 mm. Operating temperature: 0–45 °C. Humidity: 10–90% non-condensing. Storage: –20–70 °C.
Standard one-year hardware warranty with optional extended support plans that include 24/7 technical assistance and advanced replacement services.