Loopbacks

Loopbacks are shipped standard in a module case giving protection in the field or while packed in a technician kit. Available in LC, SC, and MTP®.

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Part Number Guide

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Part Number Guide

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Part Number	Connector Type	Fiber Type	Color	Description
FLB-Y38	LC/APC	Single-mode OS2	Green	Loopback for LC/APC Connector, Single-mode OS2, Green
FLB-Y31	LC/UPC	Single-mode OS2	Blue	Loopback for LC/UPC Connector, Single-mode OS2, Blue
FLB-F31	LC	Multimode 62.5µm OM1	Beige	Loopback for LC Connector, Multimode 62.5µm OM1, Beige
FLB-E31	LC	Multimode 50µm OM2	Beige	Loopback for LC Connector, Multimode 50µm OM2, Beige
FLB-G31	LC	Multimode 50µm OM3	Aqua	Loopback for LC Connector, Multimode 50µm OM4, Aqua
FLB-M31	LC	Multimode 50µm OM4	Aqua	Loopback for LC Connector, Multimode 50µm OM3, Aqua
FLB-W31	LC	Multimode 50µm OM5	Lime Green	Loopback for LC Connector, Multimode 50µm OM5, Lime Green
FLB-Y68	SC/APC	Single-mode OS2	Green	Loopback for SC/APC Connector, Single-mode OS2, Green
FLB-Y61	SC/UPC	Single-mode OS2	Blue	Loopback for SC/UPC Connector, Single-mode OS2, Blue
FLB-F61	SC	Multimode 62.5µm OM1	Beige	Loopback for SC Connector, Multimode 62.5µm OM1, Beige
FLB-E61	SC	Multimode 50µm OM2	Beige	Loopback for SC Connector, Multimode 50µm OM2, Beige
FLB-G61	SC	Multimode 50µm OM3	Aqua	Loopback for SC Connector, Multimode 50µm OM4, Aqua
FLB-M61	SC	Multimode 50µm OM4	Aqua	Loopback for SC Connector, Multimode 50µm OM3, Aqua
FLB-W61	SC	Multimode 50µm OM5	Lime Green	Loopback for SC Connector, Multimode 50µm OM5, Lime Green
FLB-Y45	MTP®/APC, Non-Pinned	Single-mode OS2	Green	Loopback for MTP®/APC, Non-Pinned Connector, Single-mode OS2, Green
FLB-F45	MTP®, Non-Pinned	Multimode 62.5µm OM1	Beige	Loopback for MTP®, Non-Pinned Connector, Multimode 62.5µm OM1, Beige
FLB-E45	MTP®, Non-Pinned	Multimode 50µm OM2	Black	Loopback for MTP®, Non-Pinned Connector, Multimode 50µm OM2, Black
FLB-G45	MTP®, Non-Pinned	Multimode 50µm OM3	Aqua	Loopback for MTP®, Non-Pinned Connector, Multimode 50µm OM4, Aqua
FLB-M45	MTP®, Non-Pinned	Multimode 50µm OM4	Aqua	Loopback for MTP®, Non-Pinned Connector, Multimode 50µm OM3, Aqua
FLB-W45	MTP®, Non-Pinned	Multimode 50µm OM5	Lime Green	Loopback for MTP®, Non-Pinned Connector, Multimode 50µm OM5, Lime Green
FLB-Y46	MTP®/APC, Pinned	Single-mode OS2	Green	Loopback for MTP®/APC, Pinned Connector, Single-mode OS2, Green
FLB-F46	MTP®, Pinned	Multimode 62.5µm OM1	Beige	Loopback for MTP®, Pinned Connector, Multimode 62.5µm OM1, Beige
FLB-E46	MTP®, Pinned	Multimode 50µm OM2	Black	Loopback for MTP®, Pinned Connector, Multimode 50µm OM2, Black
FLB-G46	MTP®, Pinned	Multimode 50µm OM3	Aqua	Loopback for MTP®, Pinned Connector, Multimode 50µm OM4, Aqua
FLB-M46	MTP®, Pinned	Multimode 50µm OM4	Aqua	Loopback for MTP®, Pinned Connector, Multimode 50µm OM3, Aqua
FLB-W46	MTP®, Pinned	Multimode 50µm OM5	Lime Green	Loopback for MTP®, Pinned Connector, Multimode 50µm OM5, Lime Green