... Interface:Ø Wave Length: multi-mode 850nm,1310 nm; single-mode 1310 nm,1550nm.Ø Transmission Fiber: multi-mode 50/125 um,62. ... for daisy chain, star, ring and other network topologies, multi mode fiber 0~2Km, single mode fiber 0~20Km, longer distance optional ... mode fiber 0~20Km, longer distance optional, optical interface type ST/SC/FC optional.pcs profibus DP optical link module with dual DP and dual ...