... optical receive module, automatically or manually switched, hot backup power supply, 2 return transmission modules, 4 forward. CSP8500 ... connector,rated output level104dBuV(input optical power -2dBm), outdoor waterproof housing,AC135~250V(power cord with EURO(2 pole with GND ... .•Status monitor display.•Wide range of input optical power .•PHILIPS Power doubler output module•Four outputs with plug-in ...