... , 1.0Vp-p,75Ω8channel,BNC, 1.0Vp-p,75Ω16channel,BNC, .0Vp-p,75ΩVideo Output1 channel, BNC, 1.0Vp-p,75Ω and 1 VGA ... outputAudio Input1 channel ,RCA 200-2800mV,30KΩAudio Output1 ... channel ,RCA, 200-3000mV,5KΩAlarm Input1 channelAlarm output1 channelNet ...