... , 3.0 Fiber length; User-defined MU/APC Fiber Optic Patch Cord 100% tested before shipment Order guide. Fiber cores: Simplex, ... ST, MU, MTRJ, DIN, D4, E2000, MPO. ESCN, SMA, Every patch cord has passed strict test, has been tested one by one ... we will give the best price to you. Features: Low insertion loss and back reflection loss Good exchangeability Good durability High temperature stability