{"product_id":"nim-2fxs-4fxo","title":"Cisco 4th Gen Voice\/Fax Network Interface Module NIM-2FXS\/4FXO","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBRAND NEW. FACTORY SEALED. FULL CISCO WARRANTY INCLUDED. MANUFACTURED BY CISCO. FROM CHICAGO COMPUTER SUPPLY.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Cisco NIM-2FXS\/4FXO is a fourth-generation analog voice Network Interface Module designed for Cisco 4451-X Integrated Services Routers. It combines two FXS ports and four FXO ports into a single module, enabling organizations to connect analog phones while maintaining direct PSTN access.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith a built-in digital signal processor, this module removes the need for a separate PVDM on the router. It enables smooth migration from legacy analog voice systems to VoIP while keeping existing phones and lines in service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTwo FXS ports for analog phones and fax devices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFour FXO ports for PSTN and PBX connectivity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBuilt-in DSP eliminates the need for external PVDM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSupports the reuse of existing analog phones and lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eEcho cancellation up to 128 ms for clear voice quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDesigned for Cisco 4451-X Integrated Services Routers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Cisco\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Network Interface Module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e NIM-2FXS\/4FXO\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e 2 x FXS, 4 x FXO\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Voice and fax\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Plug-in module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eDSP\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Integrated\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eEcho Cancellation\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Up to 128 ms\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003ePlatform Support\u003c\/strong\u003e:\u003c\/span\u003e\u003cspan\u003e Cisco 4451-X Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eUse Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe NIM-2FXS\/4FXO is ideal for enterprises and branch offices transitioning to VoIP while retaining analog phones and PSTN lines. It supports hybrid voice environments, small PBX integrations, and locations that require both internal analog extensions and external telephone network connectivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy Choose the NIM-2FXS\/4FXO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCombines FXS and FXO in one compact module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePreserves investment in existing analog voice systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSimplifies VoIP migration with built-in DSP\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDelivers reliable echo cancellation for voice quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eGenuine Cisco hardware with full warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the Cisco NIM-2FXS\/4FXO used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt connects analog phones and PSTN lines to Cisco 4451-X routers using FXS and FXO ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat devices connect to the FXS ports?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAnalog telephones and fax machines connect directly to FXS ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat do the FXO ports connect to?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFXO ports connect to PSTN lines or PBX systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDoes this module require a PVDM?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo. It includes a built-in DSP and does not require a separate PVDM.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIs this product new and covered by the Cisco warranty?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYes. It is brand new, factory sealed, and includes the full Cisco warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Chicago Computer Supply","offers":[{"title":"Default Title","offer_id":53472512180515,"sku":"NIM-2FXS4FXO","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/7487\/3891\/files\/123456321.jpg?v=1755865329","url":"https:\/\/www.chicagocomputersupply.com\/products\/nim-2fxs-4fxo","provider":"Chicago Computer Supply","version":"1.0","type":"link"}