{"id":100575,"date":"2026-08-06T09:01:40","date_gmt":"2026-08-06T09:01:40","guid":{"rendered":"https:\/\/optics.carritech.com\/optical-transceivers\/uncategorized\/100g-qsfp28-cwdm4-2km\/"},"modified":"2026-08-06T09:01:44","modified_gmt":"2026-08-06T09:01:44","slug":"100g-qsfp28-cwdm4-2km","status":"publish","type":"product","link":"https:\/\/optics.carritech.com\/pt\/optical-transceivers\/optical-transceivers\/qsfp28\/100g-duplex-qsfp28\/100g-qsfp28-cwdm4-2km\/","title":{"rendered":"100G-QSFP28-CWDM4-2KM"},"content":{"rendered":"<p><strong>Fully compatible Carritech alternative<\/strong><\/p>\n<p>Carritech Optics can offer <strong>CT-QSFP28-CWDM4<\/strong> as a fully compatible, high-quality alternative to <strong>Brocade 100G-QSFP28-CWDM4-2KM<\/strong>. This Carritech alternative is matched against the key optical specifications and can be programmed and tested for your network requirements.<\/p>\n<p><strong>Carritech part number: CT-QSFP28-CWDM4<\/strong><\/p>\n<p><strong>100G QSFP28 CWDM4 2KM<\/strong><\/p>\n<p>Compact QSFP28 CWDM4 transceiver for 100G Ethernet over single-mode fiber up to 2 km, using four 25G wavelengths (1271\u20131331 nm) with duplex LC and &lt; 3.5 W power. Host FEC is required for full 2 km reach.<\/p>","protected":false},"excerpt":{"rendered":"<p>Carritech Optics can offer a fully compatible, high-quality alternative to <strong>Brocade 100G-QSFP28-CWDM4-2KM<\/strong>.<\/p>\n<p><strong>Carritech part number: CT-QSFP28-CWDM4<\/strong><\/p>\n<ul>\n<li data-start=\"3705\" data-end=\"3829\"><strong data-start=\"3705\" data-end=\"3742\">QSFP28 hot-pluggable CWDM4 design<\/strong> with 4\u00d7 DFB lasers and integrated MUX\/DEMUX.<\/li>\n<li data-start=\"3832\" data-end=\"3962\"><strong data-start=\"3832\" data-end=\"3869\">Up to 2 km over SMF with host FEC<\/strong>, optimized for low dispersion per ITU-T CWDM grid.<\/li>\n<li data-start=\"3965\" data-end=\"4082\"><strong data-start=\"3965\" data-end=\"3998\">Low power operation (&lt; 3.5 W)<\/strong> e <strong data-start=\"4003\" data-end=\"4014\">0\u201370 \u00b0C<\/strong> case temperature support.<\/li>\n<li data-start=\"4085\" data-end=\"4220\"><strong data-start=\"4085\" data-end=\"4125\">Comprehensive diagnostics (DDM\/DOM):<\/strong> temperature, voltage, per-lane TX\/RX power and bias.<\/li>\n<li data-start=\"4223\" data-end=\"4361\"><strong data-start=\"4223\" data-end=\"4255\">Standard duplex LC interface<\/strong> and 38-pin QSFP28 electrical pinout with LPMode, IntL, ModPrsL.<\/li>\n<li data-start=\"4364\" data-end=\"4495\"><strong data-start=\"4364\" data-end=\"4421\">RoHS compliant; Laser Class 1; robust ESD protections<\/strong> for safe handling and deployment.<\/li>\n<\/ul>","protected":false},"featured_media":1839,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[1705],"product_cat":[78,17,77],"product_tag":[73,215],"class_list":["post-100575","product","type-product","status-publish","has-post-thumbnail","product_brand-brocade","product_cat-100g-duplex-qsfp28","product_cat-optical-transceivers","product_cat-qsfp28","product_tag-40g-qsfp-100g-qsfp28","product_tag-exc","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>100G-QSFP28-CWDM4-2KM Compatible QSFP28 100GBASE-CWDM4 transceiver | Carritech Optics<\/title>\n<meta name=\"description\" content=\"Fully compatible alternative to Brocade 100G-QSFP28-CWDM4-2KM. 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