Name: |
EM2-HDA-4FXO |
Description: | 4-port voice/fax expansion module - FXO Cisco Router Network Module |
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GTIN: | 610585725931 ![]() |
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EM2-HDA-4FXO Overview
EM2-HDA-4FXO is a high-performance WAN module built to integrate four FXO analog telephony ports into modern network infrastructures. Designed specifically for routers, gateways, and PBX systems, this module supports vital voice protocols such as SIP and SS7, ensuring reliable call conversion between traditional PSTN and VoIP networks without compromise on stability or clarity.
Engineered with a modular form factor and featuring standard RJ-11 connectors, the EM2-HDA-4FXO easily fits into a variety of hardware platforms from industry-leading vendors. Its robust design, optimized for installation in environments like call centers and enterprise telephony systems, delivers essential features such as echo cancellation and caller ID support while maintaining seamless compatibility with platforms from Cisco, Juniper, and Dell.
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EM2-HDA-4FXO Specifications
Product Type | WAN Module |
Module Type | FXO Analog Telephony |
Data Rate | N/A |
Connector Type | RJ-11 |
Supported Protocols | SIP / SS7 |
Form Factor | Modular |
Operating Temperature | 0 to 70°C |
Storage Temperature | -40 to 85°C |
Input Voltage | 3.3V |
Compatibility | Cisco / Juniper / Dell |
Max Speed | N/A |
Supported Features | Echo Cancellation / Caller ID / Call Waiting |
Power Consumption | N/A |
Interface Ports | FXO |
Expansion Slots | NIM |
Product Name | EM2-HDA-4FXO |
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
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Product Type | WAN Module | Network Module / Network Card | Security Module / Tamper Label | Network Module / Network Card | Network Module / Network Card |
Module Type | FXO Analog Telephony | Ethernet | Tamper-Evident Module | Modular Routing Processor Card | Ethernet |
Data Rate | N/A | 10G | N/A | 10Gbps | 10Gbps |
Connector Type | RJ-11 | SFP+ | N/A | SFP+ | SFP+ |
Supported Protocols | SIP / SS7 | TCP/IP / iSCSI | N/A | TCP/IP | TCP/IP |
Form Factor | Modular | PCIe | Modular | Modular | PCIe |
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 | 0 to 70°C | -40 to 85°C | N/A |
Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V / 5V |
Compatibility | Cisco / Juniper / Dell | Cisco / Juniper / Arista / Dell / HP | Juniper | Juniper | Routers, Switches, Servers |
Max Speed | N/A | 10Gbps | N/A | 10Gbps | 10Gbps |
Supported Features | Echo Cancellation / Caller ID / Call Waiting | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | FIPS Certified, Tamper Detection | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
Power Consumption | N/A | 6W | N/A | 15W | 15W |
Interface Ports | FXO | SFP+ | N/A | SFP+ | Ethernet |
Expansion Slots | NIM | N/A | N/A | N/A | PCIe |
Product Name | EM2-HDA-4FXO | CR5D00P8UF60 10Gbps Ethernet Network Module | JNPR-FIPS-TAMPER-LBLS | SRX5K-MPC-R | ESR-HH-8FE-TX Ethernet Expansion Module |
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