{"product_id":"em-hda-3fxs4fxo-cisco-7-port-voicefax-expansion-module-3fxs4fxo","title":"EM-HDA-3FXS\/4FXO Cisco 7-Port Voice\/Fax Expansion Module - 3FXS\/4FXO","description":"\u003ch1 dir=\"ltr\"\u003e\u003cstrong\u003eCisco EM-HDA-3FXS\/4FXO 7-Port Voice\/Fax Expansion Module\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cstrong\u003eHigh-Density Analog Voice Integration for Integrated Services Routers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"136\" data-end=\"676\"\u003eThe \u003cstrong data-start=\"140\" data-end=\"166\"\u003eCisco EM-HDA-3FXS\/4FXO\u003c\/strong\u003e is a high-density \u003cstrong data-start=\"185\" data-end=\"218\"\u003eanalog voice expansion module\u003c\/strong\u003e designed to enhance the voice connectivity capabilities of \u003cstrong data-start=\"278\" data-end=\"321\"\u003eCisco Integrated Services Routers (ISR)\u003c\/strong\u003e. This versatile module provides a balanced combination of \u003cstrong data-start=\"380\" data-end=\"464\"\u003e3 FXS (Foreign Exchange Station) ports and 4 FXO (Foreign Exchange Office) ports\u003c\/strong\u003e, enabling organizations to connect analog devices such as \u003cstrong data-start=\"523\" data-end=\"559\"\u003ephones, fax machines, and modems\u003c\/strong\u003e, while also supporting direct connections to the \u003cstrong data-start=\"609\" data-end=\"653\"\u003ePublic Switched Telephone Network (PSTN)\u003c\/strong\u003e or legacy PBX systems.\u003c\/p\u003e\n\u003cp data-start=\"678\" data-end=\"1051\"\u003eEngineered for scalable voice deployments, the \u003cstrong data-start=\"725\" data-end=\"828\"\u003eEM-HDA-3FXS\/4FXO module integrates with the Cisco EVM-HD-8FXS\/DID High-Density Voice Network Module\u003c\/strong\u003e, allowing businesses to expand analog voice capacity without consuming additional router slots. This high-density architecture helps optimize hardware utilization while supporting growing voice infrastructure requirements.\u003c\/p\u003e\n\u003cp data-start=\"1053\" data-end=\"1597\"\u003eThe module supports \u003cstrong data-start=\"1073\" data-end=\"1146\"\u003eLoop Start and Ground Start signaling for both FXS and FXO interfaces\u003c\/strong\u003e, ensuring compatibility with a wide range of telephony systems. With \u003cstrong data-start=\"1216\" data-end=\"1308\"\u003eCaller ID support, hardware-based echo cancellation, and REN support of up to 5 per port\u003c\/strong\u003e, it delivers reliable voice quality and stable analog connectivity. Additionally, the module is designed to support \u003cstrong data-start=\"1425\" data-end=\"1493\"\u003efax and modem transmissions using T.38 fax relay or bypass modes\u003c\/strong\u003e, making it suitable for organizations that rely on legacy fax communications within modern IP networks.\u003c\/p\u003e\n\u003cp data-start=\"1599\" data-end=\"1991\"\u003eFor enhanced reliability, the \u003cstrong data-start=\"1629\" data-end=\"1723\"\u003eFXO ports can provide emergency PSTN connectivity during power failures or network outages\u003c\/strong\u003e, helping maintain essential communication services. Fully integrated with \u003cstrong data-start=\"1798\" data-end=\"1820\"\u003eCisco IOS software\u003c\/strong\u003e, the module supports advanced voice features such as \u003cstrong data-start=\"1874\" data-end=\"1939\"\u003edial-peer configuration, call routing, PLAR, and call hunting\u003c\/strong\u003e, enabling flexible voice management and deployment.\u003c\/p\u003e\n\u003cp data-start=\"1993\" data-end=\"2267\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIdeal for \u003cstrong data-start=\"2003\" data-end=\"2082\"\u003eenterprise branch offices, VoIP gateways, and hybrid telephony environments\u003c\/strong\u003e, the \u003cstrong data-start=\"2088\" data-end=\"2137\"\u003eCisco EM-HDA-3FXS\/4FXO voice expansion module\u003c\/strong\u003e provides a reliable and scalable solution for integrating traditional analog devices into modern IP-based communication networks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications – Cisco EM-HDA-3FXS\/4FXO High-Density Analog Voice Expansion Module\u003cbr\u003e\u003ca href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/routers\/access\/interfaces\/nm\/hardware\/installation\/guide\/exvoimod.html\" target=\"_blank\" title=\"Cisco EM-HDA-3FXS\/4FXO - Data Sheet\" rel=\"noopener\"\u003eCLICK HERE FOR DATA SHEET\u003c\/a\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCisco Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCisco EM-HDA-3FXS\/4FXO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEM-HDA-3FXS\/4FXO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Analog Voice Expansion Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 Analog Voice Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFXS Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Ports (Foreign Exchange Station)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFXO Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Ports (Foreign Exchange Office)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRJ-11 Compatible via Breakout Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFXS Signaling Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoop Start, Ground Start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFXO Signaling Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoop Start, Ground Start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eREN (Ringer Equivalence Number)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5 per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCaller ID Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported on both FXS and FXO ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEcho Cancellation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardware-based echo cancellation via DSP on base module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFax Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT.38 Fax Relay and Pass-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModem Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmergency Calling Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePSTN fallback through FXO ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpansion module for High-Density Voice Network Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Base Module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCisco EVM-HD-8FXS\/DID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRouter Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported Cisco Integrated Services Routers (ISR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManagement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eManaged through Cisco IOS Software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoice Features Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDial-peers, PLAR, call hunting, digit manipulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDeployment Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnterprise branch offices, VoIP gateways\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Use Cases\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog phone connectivity, fax integration, PSTN trunking, VoIP migration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan class=\"spec-value\"\u003e\u003cspan class=\"spec-value\"\u003e\u003cspan class=\"spec-value\"\u003e\u003cspan class=\"spec-value\"\u003e\u003cspan class=\"spec-value\"\u003e\u003cspan class=\"spec-value\"\u003e\u003cspan style=\"font: small\/normal 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #444444; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; widows: 1; font-size-adjust: none; font-stretch: normal; background-color: #ffffff; -webkit-text-stroke-width: 0px;\"\u003eWe offer free FedEx Ground shipping to all our customers in the continental US. If you need more information on expedited or international shipping please see our \u003c\/span\u003e\u003ca style=\"font: small\/normal 'Helvetica Neue', Helvetica, Arial, sans-serif; margin: 0px; padding: 0px; color: #1277af; text-transform: none; text-indent: 0px; letter-spacing: normal; text-decoration: none; word-spacing: 0px; white-space: normal; min-width: 0px !important; widows: 1; font-size-adjust: none; font-stretch: normal; background-color: #ffffff; -webkit-text-stroke-width: 0px;\" title=\"Shipping and Returns\" href=\"https:\/\/networkoutlet.com\/pages\/shipping\" target=\"_blank\"\u003eShipping \u0026amp; Returns page\u003c\/a\u003e\u003cspan style=\"font: small\/normal 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #444444; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; widows: 1; font-size-adjust: none; font-stretch: normal; background-color: #ffffff; -webkit-text-stroke-width: 0px;\"\u003e or ask us directly via phone, email or using our \u003c\/span\u003e\u003ca style=\"font: small\/normal 'Helvetica Neue', Helvetica, Arial, sans-serif; margin: 0px; padding: 0px; color: #1277af; text-transform: none; text-indent: 0px; letter-spacing: normal; text-decoration: none; word-spacing: 0px; white-space: normal; min-width: 0px !important; widows: 1; font-size-adjust: none; font-stretch: normal; background-color: #ffffff; -webkit-text-stroke-width: 0px;\" href=\"https:\/\/networkoutlet.com\/pages\/contact-us\" target=\"_blank\"\u003eContact Form page\u003c\/a\u003e\u003cspan style=\"font: small\/normal 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #444444; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; float: none; display: inline !important; white-space: normal; widows: 1; font-size-adjust: none; font-stretch: normal; background-color: #ffffff; -webkit-text-stroke-width: 0px;\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eFAQs:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQ1. Does this module plug directly into the router's NIM or SM-X slot?\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cbr\u003eNo. The EM-HDA-3FXS\/4FXO is a daughter card. It must be installed onto a base module, specifically the EVM-HD-8FXS\/DID, which then slides into the router's Network Module (NM) or SM-X slot.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQ2. What is the difference between FXS and FXO ports?\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cbr\u003eFXS (Station) ports connect directly to analog end-devices like phones or faxes (they provide dial tone and battery). FXO (Office) ports connect to the telephone company's wall jack or a PBX (they receive dial tone).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQ3. Does this module require Digital Signal Processors (DSPs)?\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cbr\u003eYes. Voice traffic must be digitized. The DSPs are typically located on the router's motherboard (PVDM modules) or on the base network module.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQ4. Which routers are compatible with this module?\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cbr\u003eThis module is primarily used with the Cisco 2800, 2900, 3800, and 3900 series ISRs. Compatibility with newer ISR 4000 series requires the use of a legacy SM-X carrier module.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eQ5. How do I connect the cables to these ports? \u003c\/strong\u003e\u003cbr\u003eBecause the module is compact, it often uses a high-density connector. You will typically need a breakout cable (such as a CAB-500-RJ11 or similar) to convert the module's interface into standard RJ-11 jacks.\u003c\/span\u003e\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46732003934369,"sku":"EM-HDA-3FXS\/4FXO","price":15000.0,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2216\/8673\/files\/EM-HDA-3FXS4FXO-Cisco-7-Port-VoiceFax-Expansion-Module-3FXS4FXO.png?v=1784707739","url":"https:\/\/www.foxti.com.br\/products\/em-hda-3fxs4fxo-cisco-7-port-voicefax-expansion-module-3fxs4fxo","provider":"FoxTI","version":"1.0","type":"link"}