6SN Port Name Function Connection Note5 AUDIO IN Audio inputport RCA Input audio signal. It can receive the analogaudio signal from the pickup.6 AUDIO OUT Audio outputport RCA Output audio signal to the devices such asthe sound box.7 VIDEO OUT Video outputport (optional) BNC Output analog video signal. It can connect tothe TV monitor to view the video.Please refer to the follow sheet for detailed I/O port information.Port Name Color Name NoteI/O PortBlack ALARM_COM Alarm output public port.Brown ALARM_NOAlarm output port. It is to output the alarm signalto the alarm device.NO: normal open alarm output port.It works with the ALARM_COM port.Red ALARM_IN1 Alarm input port 1. It is to receive the on-off signalfrom the external alarm source.Orange ALARM_IN2 Alarm input port 2. It is to receive the on-off signalfrom the external alarm source.Yellow GND Ground port2.2 Framework and DimensionPlease note all frame and dimension illustrations provided in this chapter are for reference only,and actual product may vary.Please select model a or b according to actual product.Please refer to Figure 2-2 or Figure 2-3 for dimension information according to the actual product. Theunit is mm. Please also see Figure 2-4.Figure 2-2 Model a