... uncompressed, all-digital video correction and Gigabit fiber optic transmission technology, Which support long distance and ... audio, 2 two-way switch value, 5-channel 485 data, Ethernet, and telephone signals. And the ... option5, Support video intact regenerative relay6, ASIC design7, industrial working temperature range (-40 °C~+85 °C )8 ... S: switch value, P: telephone 4-ch fiber optic video converter