This indoor simplex fiber patch cord provides a choice of 2.0mm or 3.0mm outer diameter and PVC/LSZH jacket options, featuring ceramic tubes to ensure high return loss and low insertion loss, with stable and reliable performance. Optional PC/UPC or APC end faces and interfaces such as FC SC, ST, LC, etc., support single-mode and multimode, suitable for various high-density and high-security fiber network environments.