Meeting the 10 Gig requirement is relatively easy, since a typical OM4 fiber has a loss of 3dB/km, or 0. 003dB per meter, and our example datacenter links are all 100 meters or less. EDGE™ modules provide the interface between the MTP® connector on the trunk and the LC duplex patch cords that will then connect directly into the electronics or as a crossconnect in the main distribution area (MDA). These modules feature VFL-compatible LC shuttered adapters and are manufactured. According to the standard, 40 Gig over OM4 multimode (40GBASE-SR4) applications have a maximum channel insertion loss of 1. Armed with the channel loss limits for the current and future applications, it's time to check out. Ultra Low Loss OM4, LC/UPC Uniboot to LC/UPC Uniboot, 1. 5 mm Duplex Fiber Patch Cord, Low Smoke Zero Halogen/Riser Finish making your selections or clear them to view relevant specifications. Multimode and single-mode array cords shall meet an optical. OM4 is a laser-optimized, high bandwidth 50um multimode fiber. In August of 2009, TIA/EIA approved and released 492AAAD, which defines the performance criteria for this grade of optical fiber. While they developed the original “OM” designations, IEC has not yet released an approved equivalent. In the test report for a fiber cable, you may often see some data related to fiber insertion loss (IL) and return loss (RL), but do you know what insertion loss and return loss actually mean? How do the values of IL and RL impact the quality of the fiber cable? Are higher values better, or lower.