1.4E1 PDH fiber optical Equipment 2.1+1 optical interfaces (FC) 3.with 48Vdc and 220Vac 4.4 10/100M Ethernet interfaces, 2 R Product OverviewFAT-50R PDH Equipment is a cost-effective integrated fiber/electrical equipment; it is suitable for low capacity, point-to-point application of remote transmission. It has 4 E1 interfaces (BNC, 75OHM), 1+1 optical interfaces (FC), single mode, double core, ...