{"id":101064,"date":"2026-08-07T07:18:59","date_gmt":"2026-08-07T07:18:59","guid":{"rendered":"https:\/\/optics.carritech.com\/optical-transceivers\/uncategorized\/jd121a\/"},"modified":"2026-08-07T07:19:00","modified_gmt":"2026-08-07T07:19:00","slug":"jd121a","status":"publish","type":"product","link":"https:\/\/optics.carritech.com\/es\/optical-transceivers\/optical-transceivers\/xfp\/10g-duplex-xfp\/jd121a\/","title":{"rendered":"JD121A"},"content":{"rendered":"<p><strong>Fully compatible Carritech alternative<\/strong><\/p>\n<p>Carritech Optics can offer <strong>CT-XFP-ER<\/strong> as a fully compatible, high-quality alternative to <strong>HPE JD121A<\/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-XFP-ER<\/strong><\/p>\n<p><strong>10G XFP 1550NM 40KM<\/strong><\/p>\n<p>Carritech CT-XFP-ER is a 10Gbps XFP optical transceiver designed for single-mode fiber links up to 40 km. It integrates a 1550 nm cooled EML laser and PIN photodiode receiver, delivering reliable 10G Ethernet, SONET\/SDH, and Fibre Channel connectivity with full digital diagnostics support.<\/p>","protected":false},"excerpt":{"rendered":"<p>Carritech Optics can offer a fully compatible, high-quality alternative to <strong>HPE JD121A<\/strong>.<\/p>\n<p><strong>Carritech part number: CT-XFP-ER<\/strong><\/p>\n<ul>\n<li data-start=\"3052\" data-end=\"3103\">Long-reach 10G XFP supporting up to 40 km links.<\/li>\n<li data-start=\"3106\" data-end=\"3162\">Cooled 1550 nm EML laser and PIN photodiode receiver.<\/li>\n<li data-start=\"3165\" data-end=\"3227\">Hot-pluggable XFP MSA form factor with LC duplex interface.<\/li>\n<li data-start=\"3230\" data-end=\"3277\">Dual power supply support (+5 V and +3.3 V).<\/li>\n<li data-start=\"3280\" data-end=\"3332\">Integrated digital diagnostics monitoring (DDMI).<\/li>\n<li data-start=\"3335\" data-end=\"3383\">Low EMI design with &lt;3.5 W power consumption.<\/li>\n<li data-start=\"3386\" data-end=\"3486\">Fully compliant with IEEE 802.3ae, SONET\/SDH, Fibre Channel, XFP MSA, RoHS, and EN 60825 Class 1.<\/li>\n<\/ul>","protected":false},"featured_media":4354,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[284],"product_cat":[54,17,53],"product_tag":[47,215],"class_list":["post-101064","product","type-product","status-publish","has-post-thumbnail","product_brand-hpe","product_cat-10g-duplex-xfp","product_cat-optical-transceivers","product_cat-xfp","product_tag-10g-sfp-xfp","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>JD121A Compatible XFP 10GBASE-ER\/EW transceiver | Carritech Optics<\/title>\n<meta name=\"description\" content=\"Fully compatible alternative to HPE JD121A. 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