{"product_id":"qsfp-40g-er4-optical-module-single-mode-cwdm-4-aggregate-10g-channels-40km","title":"QSFP+ 40G ER4 optical module, single-mode, CWDM 4 aggregate 10G channels, 40km","description":"\u003cp\u003eQSFP+ 40G ER4 optical module, single-mode, CWDM 4 aggregate 10G channels, 40Km\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct description\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe QSFP-4040-ER4 is a long-range single-mode 40G QSFP+ optical module compatible with the 40GBase-ER4 specifications.\u003c\/p\u003e\n\u003cp\u003eIt uses 4 CWDM 10G lasers running 1271~1331nm and combining them in a built-in mux\/demux. Each wavelength has 10.3125Gbps for a total speed of 40G available on the QSFP+ interface.\u003c\/p\u003e\n\u003cp\u003eThe transceiver has been tested and found compatible on 40G QSFP+ ready Ethernet switches from Cisco, Juniper, and Edge-Core.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/qsfp-4040-er4-datasheet.pdf?v=1742579798\" target=\"_blank\" rel=\"noopener\"\u003eProduct Datasheet\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eQSFP-4040-ER4 40G QSFP+ SMF module specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellspacing=\"3\" cellpadding=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr align=\"center\" bgcolor=\"#dbebfc\"\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eSFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e40Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\" bgcolor=\"#dbebfc\"\u003e\n\u003ctd\u003eOptical connector\u003c\/td\u003e\n\u003ctd\u003edual LC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd\u003eOperating distance\u003c\/td\u003e\n\u003ctd\u003e40Km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\" bgcolor=\"#dbebfc\"\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003esingle 3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eMSA SFF-8431, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\" bgcolor=\"#dbebfc\"\u003e\n\u003ctd\u003eOperating mode\u003c\/td\u003e\n\u003ctd\u003esingle-mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd\u003eFiber type\u003c\/td\u003e\n\u003ctd\u003eSingle-mode 9\/125um, two strands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\" bgcolor=\"#dbebfc\"\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1270, 1290, 1310, 1330nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd\u003eDigital Diagnostic\u003c\/td\u003e\n\u003ctd\u003eYes (SFF-8472 compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"CTC Union","offers":[{"title":"Default Title","offer_id":49084338766080,"sku":"QSFP-4040-ER4","price":1377.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/QSFP-4040-ER-label__97115-fotor-2025032110493.png?v=1785212476","url":"https:\/\/alotechparts.com\/products\/qsfp-40g-er4-optical-module-single-mode-cwdm-4-aggregate-10g-channels-40km","provider":"Alo Tech Solutions","version":"1.0","type":"link"}