{"title":"Loopback","description":"\u003cp\u003eProfessional MPO\/MTP fiber optic loopback modules engineered for testing, troubleshooting, and network diagnostics in high-speed data centers and telecommunications infrastructure. Essential tools for validating transceivers, verifying link connectivity, and ensuring optimal system performance.\u003c\/p\u003e\u003ch2\u003eWhat's Included:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Network Testing\u003c\/strong\u003e - Support for 40G, 100G, 200G, 400G, and 800G parallel optics networks with MPO\/MTP interface transceivers (QSFP, CXP, CFP, OSFP, QSFP-DD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Configurations\u003c\/strong\u003e - Available in 12-fiber, 16-fiber, and 24-fiber versions with male or female MPO connectors compatible with US Conec MTP® interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Loss Performance\u003c\/strong\u003e - Low insertion loss (≤ 1.2dB) and high return loss (≥ 25dB) for accurate testing results with OM3 multimode compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll loopback modules feature push-pull design for easy insertion and extraction, linking transmitter (TX) and receiver (RX) positions to facilitate IL testing of optical network segments and troubleshoot network failure nodes.\u003c\/p\u003e","products":[{"product_id":"12fibers-multimode-mtp-female-fiber-loopback","title":"12 Fibers Elite MTP® Female Multimode Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e12 Fibers MTP® Female Multimode Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® loopback modules are used widely within testing environment especially within parallel optics 40\/100G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 40G PLR4 or 100G PSM4 devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608637427942,"sku":"LB-SMTPM412F-UA","price":37.1,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608637460710,"sku":"LB-SMTPM412F-UM","price":37.1,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662630899942,"sku":"LB-SMTPM412F-AG","price":42.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"12fibers-single-mode-mtp-male-fiber-loopback","title":"12 Fibers Elite MTP® Male Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e12 Fibers MTP® Male Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® loopback modules are used widely within testing environment especially\r\n  within parallel optics 40\/100G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 40GBASE-SR4 QSFP+ or 100GBASE-SR4 devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364005094,"sku":"LB-SMTPSM12M-AY","price":48.3,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617365709030,"sku":"LB-SMTPSM12M-AG","price":48.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"12fibers-multimode-mtp-male-fiber-loopback","title":"12 Fibers Elite MTP® Male Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e12 Fibers MTP® Male Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® loopback modules are used widely within testing environment especially within parallel optics 40\/100G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 40GBASE-SR4 QSFP+ or 100GBASE-SR4 devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608637657318,"sku":"LB-SMTPM412M-UA","price":41.3,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608637690086,"sku":"LB-SMTPM412M-UM","price":41.3,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662631227622,"sku":"LB-SMTPM412M-AG","price":46.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"16fibers-single-mode-mtp-female-fiber-loopback-module","title":"16 Fibers Elite MTP®\/APC Female Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e16 Fibers Elite MTP®\/APC Female Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 200\/400\/800G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 800G OSFP\/QSFP-DD devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364168934,"sku":"LB-SMTPSM16F-AY","price":90.3,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617365774566,"sku":"LB-SMTPSM16F-AG","price":90.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"16fibers-multimode-mtp-female-fiber-loopback-module","title":"16 Fibers Elite MTP®\/APC Female 50\/125 Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e16 Fibers Elite MTP®\/APC Female 50\/125 Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 200\/400G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 400G OSFP\/QSFP-DD devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608637788390,"sku":"LB-SMTPM416F-UA","price":44.1,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608637821158,"sku":"LB-SMTPM416F-UM","price":44.1,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662631293158,"sku":"LB-SMTPM416F-AG","price":49.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"24fibers-single-mode-mtp-female-fiber-loopback-module","title":"24 Fibers Elite MTP® Female Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e24  Fibers MTP® Female Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 100G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 100GBASE-SR10 CXP\/CFP devices.\r\nLoopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364431078,"sku":"LB-SMTPSM24F-AY","price":86.8,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617365905638,"sku":"LB-SMTPSM24F-AG","price":86.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"24fibers-multimode-mtp-female-fiber-loopback-module","title":"24 Fibers Elite MTP® Female Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e24 Fibers MTP® Female OM4 Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 100G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 100GBASE-SR10 CXP\/CFP devices.\r\nLoopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch\r\n  leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608638050534,"sku":"LB-SMTPM424F-UA","price":56.7,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608638083302,"sku":"LB-SMTPM424F-UM","price":56.7,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662631424230,"sku":"LB-SMTPM424F-AG","price":61.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"24fibers-single-mode-mtp-male-fiber-loopback-module","title":"24 Fibers Elite MTP® Male Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e24 Fibers MTP®Male Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 200\/400G networks. It can be used with MTP cables to detect the quality of each channel and self-loop test of a single MTP interface transceiver. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364496614,"sku":"LB-SMTPSM24M-AY","price":90.3,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617365971174,"sku":"LB-SMTPSM24M-AG","price":90.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"lc-single-mode-duplex-fiber-loopback","title":"LC\/UPC Duplex Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003eLC Duplex PVC Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe fiber loopback module is designed to provide a media of return patch for a fiber optic signal. Typically it is used for fiber optic testing applications or network restorations. For the testing applications, the loopback signal is used to diagnose a problem. Sending a loopback test to network equipment, one at a time, is a technique for isolating a problem.\u003c\/p\u003e\u003cp\u003eFiber loopback modules can provide an economical solution for many fiber optic test applications.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ UPC \/ Blue","offer_id":46617364529382,"sku":"LB-SLCSM02M-UD","price":4.86,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617366036710,"sku":"LB-SLCSM02M-AG","price":4.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SLCSM02M-UD.jpg?v=1757059334"},{"product_id":"24fibers-multimode-mtp-male-fiber-loopback-module","title":"24 Fibers Elite MTP® Male Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e24Fibers MTP®Male 9\/125 Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 200\/400G networks. It can be used with MTP cables to detect the quality of each channel and self-loop test of a single MTP interface transceiver. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608638804198,"sku":"LB-SMTPM424M-UA","price":60.2,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608639099110,"sku":"LB-SMTPM424M-UM","price":60.2,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662631555302,"sku":"LB-SMTPM424M-AG","price":65.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"lc-multimode-duplex-fiber-loopback","title":"LC\/UPC Duplex Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003eLC\/UPC Duplex Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe fiber loopback module is designed to provide a media of return patch for a fiber optic signal. Typically it is used for fiber optic testing applications or network restorations. For the testing applications, the loopback signal is used to diagnose a problem. Sending a loopback test to network equipment, one at a time, is a technique for isolating a problem.\u003c\/p\u003e\u003cp\u003eFiber loopback modules can provide an economical solution for many fiber optic test applications.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM1 \/ UPC \/ Beige","offer_id":46608639164646,"sku":"LB-SLCM102M-UB","price":4.86,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608639230182,"sku":"LB-SLCM402M-BA","price":4.86,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46662627557606,"sku":"LB-SLCM402M-BM","price":4.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SLCM102M-UB.jpg?v=1757059334"},{"product_id":"sc-single-mode-duplex-fiber-loopback","title":"SC\/UPC Duplex Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003eSC\/UPC Duplex Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFiber Loopback Module is designed to provide a media of return patch for a fiber optic signal. Typically it is used for fiber optic testing applications or network restorations.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ UPC \/ Blue","offer_id":46617364594918,"sku":"LB-SSCSM02M-UD","price":5.67,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617366069478,"sku":"LB-SSCSM02M-AG","price":5.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SSCSM02M-UD.jpg?v=1757059333"},{"product_id":"sc-multimode-duplex-fiber-loopback","title":"SC\/UPC Duplex Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003eSC\/UPC Duplex Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFiber Loopback Module is designed to provide a media of return patch for a\r\n  fiber optic signal. 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Devices allow verification and testing of transceivers featuring MTP® interface – 40GBASE-SR4\/CSR4 QSFP+ devices.\r\nLoopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364627686,"sku":"LB-SMTPSM08F-AY","price":48.3,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617366790374,"sku":"LB-SMTPSM08F-AG","price":48.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"8fibers-multimode-mtp-female-loopback","title":"8 Fibers Elite MTP® Female Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e8 Fibers MTP® Female Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 40G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 40GBASE-SR4\/CSR4 QSFP+ devices.\r\nLoopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608640147686,"sku":"LB-SMTPM408F-UA","price":37.1,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608640180454,"sku":"LB-SMTPM408F-UM","price":37.1,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662627786982,"sku":"LB-SMTPM408F-AG","price":42.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"8fibers-single-mode-mtp-male-fiber-loopback","title":"8 Fibers Elite MTP® Male Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e8 Fibers MTP® Male Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 40G networks. It can be used with MTP cables to detect the quality of each channel and self-loop test of a single MTP interfac transceiver. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364660454,"sku":"LB-SMTPSM08M-AY","price":51.8,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617366855910,"sku":"LB-SMTPSM08M-AG","price":51.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"8fibers-multimode-mtp-male-fiber-loopback","title":"8 Fibers Elite MTP® Male Multimode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e8 Fibers MTP® Male Multimode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 40G networks. It can be used with MTP cables to detect the quality of each channel and self-loop test of a single MTP interfac transceiver. Loopbacks are built to link Transmitter (TX) and Receivers (RX)\r\n  positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP® trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"OM4 \/ UPC \/ Aqua","offer_id":46608640377062,"sku":"LB-SMTPM408M-UA","price":41.3,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ UPC \/ Magenta","offer_id":46608640409830,"sku":"LB-SMTPM408M-UM","price":41.3,"currency_code":"USD","in_stock":true},{"title":"OM4 \/ APC \/ Green","offer_id":46662630736102,"sku":"LB-SMTPM408M-AG","price":46.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-A.jpg?v=1757059333"},{"product_id":"12fibers-single-mode-mtp-female-fiber-loopback","title":"12 Fibers Elite MTP® Female Single-mode Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e12 Fibers MTP® Female  Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® loopback modules are used widely within testing environment especially within parallel optics 40\/100G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 40G PLR4 or 100G PSM4 devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of MTP® transceivers interfaces. MTP® loopbacks can facilitate and speed up IL testing of optical networks segments by connecting them to MTP®\r\n trunks\/patch leads.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Single-mode \/ APC \/ Yellow","offer_id":46617364725990,"sku":"LB-SMTPSM12F-AY","price":48.3,"currency_code":"USD","in_stock":true},{"title":"Single-mode \/ APC \/ Green","offer_id":46617366888678,"sku":"LB-SMTPSM12F-AG","price":48.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/LB-SMTP-Y.jpg?v=1757062476"},{"product_id":"16fibers-single-mode-mtp-male-fiber-loopback-module","title":"16 Fibers Elite MTP®\/APC Male Single-mode Fiber Loopback Module","description":"\u003cp\u003e\u003cstrong\u003e16 Fibers Elite MTP®\/APC Female Single-mode Fiber Loopback Module\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMTP® Loopback modules are used widely within testing environment especially within parallel optics 200\/400\/800G networks. Devices allow verification and testing of transceivers featuring MTP® interface – 800G OSFP\/QSFP-DD devices. Loopbacks are built to link Transmitter (TX) and Receivers (RX) positions of  MTP® transceivers interfaces. 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