... priorities to the monitoring device and cameral Video input and output port as well as communication interface have surge protection and ... means input channel,max. 128,YY means output channel,max.32)Video Input / output 1Vp-p(75 ohm load ,imbalance)Video ... .02Video System CCIR,PAL/NTSCAlarm input/outputMini 16, Max. 256 / Mini 2, Max 256Control keyboardStandard 1, Max. 16Switching Speed Less than ...