{"id":100900,"date":"2026-08-06T10:52:15","date_gmt":"2026-08-06T10:52:15","guid":{"rendered":"https:\/\/optics.carritech.com\/optical-transceivers\/uncategorized\/e100g-qsfp28-er4l\/"},"modified":"2026-08-06T10:52:19","modified_gmt":"2026-08-06T10:52:19","slug":"e100g-qsfp28-er4l","status":"publish","type":"product","link":"https:\/\/optics.carritech.com\/it\/optical-transceivers\/optical-transceivers\/qsfp28\/100g-duplex-qsfp28\/e100g-qsfp28-er4l\/","title":{"rendered":"E100G-QSFP28-ER4L"},"content":{"rendered":"<p><strong>Fully compatible Carritech alternative<\/strong><\/p>\n<p>Carritech Optics can offer <strong>CT-QSFP28-ER4-L<\/strong> as a fully compatible, high-quality alternative to <strong>Brocade E100G-QSFP28-ER4L<\/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-ER4-L<\/strong><\/p>\n<p><strong>100G QSFP28 ER4 LITE 1310NM 30KM<\/strong><\/p>\n<p>Cost-optimized QSFP28 ER4 Lite transceiver for 100G Ethernet over single-mode fiber up to 30 km without FEC (40 km with FEC), using cooled LAN-WDM EML lasers and APD receivers in a duplex LC interface.<\/p>","protected":false},"excerpt":{"rendered":"<p>Carritech Optics can offer a fully compatible, high-quality alternative to <strong>Brocade E100G-QSFP28-ER4L<\/strong>.<\/p>\n<p><strong>Carritech part number: CT-QSFP28-ER4-L<\/strong><\/p>\n<ul>\n<li data-start=\"2373\" data-end=\"2442\"><strong data-start=\"2373\" data-end=\"2413\">QSFP28 MSA hot-pluggable form factor<\/strong> with duplex LC connector.<\/li>\n<li data-start=\"2445\" data-end=\"2502\"><strong data-start=\"2445\" data-end=\"2483\">Up to 30 km reach (40 km with FEC)<\/strong> over G.652 SMF.<\/li>\n<li data-start=\"2505\" data-end=\"2587\"><strong data-start=\"2505\" data-end=\"2540\">Cooled LAN-WDM EML transmitters<\/strong> paired with high-sensitivity APD receivers.<\/li>\n<li data-start=\"2590\" data-end=\"2658\"><strong data-start=\"2590\" data-end=\"2625\">Low power consumption (\u2264 4.5 W)<\/strong> optimized for long-reach use.<\/li>\n<li data-start=\"2661\" data-end=\"2757\"><strong data-start=\"2661\" data-end=\"2705\">Monitoraggio diagnostico digitale (DDM\/DOM)<\/strong> with key optical\/electrical parameter reporting.<\/li>\n<li data-start=\"2760\" data-end=\"2804\"><strong data-start=\"2760\" data-end=\"2801\">RoHS-6 compliant, Class 1 laser safe.<\/strong><\/li>\n<\/ul>","protected":false},"featured_media":4474,"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-100900","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 v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>E100G-QSFP28-ER4L Compatible QSFP28 100GBASE-ER4L transceiver | Carritech Optics<\/title>\n<meta name=\"description\" content=\"Fully compatible alternative to Brocade E100G-QSFP28-ER4L. 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