Features
i?? Oxidation processing, water-proof aluminum housing with stainless mesh gasket.
i?? Optional low nosie circuit ensures non-linear specification;
i?? Optional GaAs circuit allows low power optical input;
i?? Accurate 1V/1mv optical detection port;
i?? Six LEDs indicate status of optical input power and power supply;
i?? Fixed preposed attenuator and four fixed postpositive attenuator in the forward path;
i?? Attenuator, equalizer and postpositive equalizer in the forward path are fixed or modular adjustable changeable;
i?? Separate AC port and two outboard test ports;
i?? All ports have AC indicating LEDs;
i?? All the modules have DC indicating LEDs;
i?? Changeable tap and splitter output;
i?? PCB adopts Intergrated Shield design;
i?? Four output ports in forward path.

Return path transmitter
i?? One or two modular reverse-path transmitter optional;
i?? Two adjustable attenuator and two equalizers in the revers path;
i?? Four reverse-path test ports.