{"id":12828,"date":"2026-10-14T09:28:56","date_gmt":"2026-10-14T09:28:56","guid":{"rendered":"https:\/\/cablefam.com\/?post_type=product&p=12828"},"modified":"2026-10-14T09:28:56","modified_gmt":"2026-10-14T09:28:56","slug":"sc-upc-fiber-optic-loopback","status":"publish","type":"product","link":"https:\/\/cablefam.com\/pt\/product\/sc-upc-fiber-optic-loopback","title":{"rendered":"SC UPC Fiber Optic Loopback Module, Duplex Singlemode"},"content":{"rendered":"
\n

SC UPC Fiber Optic Loopback for Singlemode Optical Port Testing<\/h2>\n

The SC UPC Fiber Optic Loopback is a compact duplex singlemode test accessory designed to route an optical transmit signal back to a receive interface. It combines two blue SC\/UPC connectors in a protective black housing and is intended for compatible SC\/UPC optical test ports.<\/p>\n

Use this module during optical port checks, transceiver troubleshooting and equipment verification. The enclosed loopback keeps the return path compact, making it convenient for bench tests, network maintenance and fault-isolation work. Check the port interface and fiber mode before connecting the device; it is a passive loopback accessory, not a calibrated loss-measurement instrument.<\/p>\n

This SC UPC Fiber Optic Loopback is supplied as a single, fixed SC\/UPC configuration. The two connectors form one return-path assembly; they are not separate patch cords. Match it with singlemode optical hardware that uses SC\/UPC ports, and do not mate the UPC polished interface directly with APC equipment.<\/p>\n\n\n\n\n\n\n\n
Tipo de Produto<\/strong><\/td>\nDuplex fiber optic loopback module<\/td>\nConetor<\/strong><\/td>\n2 \u00d7 SC\/UPC male<\/td>\n<\/tr>\n
Modo Fibra<\/strong><\/td>\nSinglemode, 9\/125 \u00b5m (OS2-type)<\/td>\nPolish<\/strong><\/td>\nUPC<\/td>\n<\/tr>\n
Connector Color<\/strong><\/td>\nAzul<\/td>\nHousing<\/strong><\/td>\nBlack molded plastic<\/td>\n<\/tr>\n
Optical Path<\/strong><\/td>\nTransmit-to-receive return loop<\/td>\nPerda de Inser\u00e7\u00e3o<\/strong><\/td>\n\u2264 0.3 dB (working specification)<\/td>\n<\/tr>\n
Perda de Retorno<\/strong><\/td>\n\u2265 50 dB (working specification)<\/td>\nTypical Use<\/strong><\/td>\nSC\/UPC port testing and diagnostics<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
\"SC\/UPC<\/div>\n
\"SC\/UPC<\/div>\n<\/div>\n

How Fiber Optic Loopback Testing Works<\/h3>\n

A duplex loopback connects a device\u2019s transmit and receive optical paths so that a signal can return to the originating test interface. Technicians use this principle to check port response and narrow down faults during maintenance or equipment validation. Testing behavior depends on the connected transceiver and equipment configuration.<\/p>\n

Select a Compatible Loopback<\/h3>\n

Match the connector family, polish type and fiber mode to the optical port. SC and LC have different connector geometries; UPC and APC polishing are not interchangeable mating interfaces. Choose singlemode or multimode based on the test equipment rather than connector color alone.<\/p>\n

\n
\"Duplex<\/div>\n
\"Fiber<\/div>\n<\/div>\n

Rigoroso Sistema de Controlo de Qualidade<\/strong><\/h3>\n\n\n\n
A qualidade est\u00e1vel e consistente \u00e9 a nossa principal competitividade para produtos de fibra \u00f3tica.
\nOur technical team has extensive experience in fiber optic communication.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Certifica\u00e7\u00e3o de Qualidade<\/h3>\n\n\n\n\n
Controlamos a qualidade dos nossos produtos, incluindo a nossa rigorosa qualifica\u00e7\u00e3o de fabricantes,
\nprocesso de controlo de qualidade e tecnologia de produ\u00e7\u00e3o,
\ne em conformidade com as normas de certifica\u00e7\u00e3o e seguran\u00e7a.
\nAtualmente, os nossos produtos cumprem as normas da ind\u00fastria
\ne certifica\u00e7\u00e3o de qualidade convencional, tal como ISO 9001, CE, RoHS, FCC, etc.<\/td>\n<\/tr>\n
\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

As Nossas Vantagens<\/h2>\n
\n
\"Envio<\/p>\n

Short Lead Time Fast Delivery<\/p>\n<\/div>\n

\"Apoio<\/p>\n

Suporte T\u00e9cnico de Servi\u00e7os Profissionais<\/p>\n<\/div>\n

\"Garantia<\/p>\n

Garantia sem Preocupa\u00e7\u00f5es: Compras com Satisfa\u00e7\u00e3o<\/p>\n<\/div>\n

\"Cabo<\/p>\n

Qualidade superior Alta estabilidade<\/p>\n<\/div>\n<\/div>\n

<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

SC UPC Fiber Optic Loopback with duplex SC\/UPC connectors and singlemode 9\/125 \u00b5m fiber for optical port testing and diagnostics.<\/p>","protected":false},"featured_media":12832,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1238],"product_cat":[477],"product_tag":[1839,1840,1841,474,1406],"class_list":["post-12828","product","type-product","status-publish","has-post-thumbnail","product_brand-cablefam","product_cat-loopback-adapter","product_tag-fiber-optic-loopback","product_tag-loopback-module","product_tag-optical-port-testing","product_tag-os2-singlemode-duplex","product_tag-sc-upc-connector","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/product\/12828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/comments?post=12828"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/media\/12832"}],"wp:attachment":[{"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/media?parent=12828"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/product_brand?post=12828"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/product_cat?post=12828"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cablefam.com\/pt\/wp-json\/wp\/v2\/product_tag?post=12828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}