They are ideal for data centers, Broadband CATV, Passive Optical Network PON, WDM or DWDM multiplexing, FTTh, and voice services in ATM and SONET metropolitan and access networks. Common pigtails and pigtail kits are stocked, while non-standard connector types. Standard and low loss Fiber Optic Pigtail Kits are ideal for fusion splicing the fiber connectivity required for structured cabling systems. Pigtails are provided with a pack size of 12. Loss (IL) and Reflection or Return Loss (RL). A superior connector will exhibit minimal optical loss, thanks to precise alignment of th s, cost-efectiveness, and ease of termination. Consequently, the market has seen the introduction of numerous fiber optic connectors, each adhering to vario s. The Ultra Low Loss connector expands optical power margin which can be turned to offset excess attenuation of improper installation or insufficient cleaning by reducing insertion loss when applying multi-connection points, over 3 to 5, in between transmitter and receiver. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M's option, to repla or repair the 3M product or refund the purchase price of the 3M product.