... . It supports transmission in multi-mode dual fiber, single mode dual fiber and single mode single fiber.FeatureWith distinct IC IP113 ... form a redundant networkOptions in single mode dual fiber, multi-mode dual fiber, and single mode in single fiberExternal power supply;Technical ... control; Half Duplex: Back pressure flow controlTransmission distance: Multi-mode Dual-fiber: 220m (62.5/125μm)/550m (50 ...