Menson Qi
Rear Panel
No.
Name
Function description
1
Audio
Audio
input
RCA interface for audio input
Volume
Adjust volume, clockwise to turn up; anticlockwise to turn down.
Audio
output
RCA interface for audio output. Max output consumption: 5W.
2
RS-232
Connector for RS232 device, it’s used for device maintenance and
parameter settings. When connected to DVR/NVR, it can extend
the alarm number of DVR/NVR
3
DIP Switch
Address
Used for device cascading. When all these 4 switches turn to OFF,
the device hardware address is 0x00, you can set software
address between 1~
Protocol
Used to set RS-232 communication protocol
Default
Used to default the device parameters.
Terminal
resister
Terminal resister switch for RS-485. The default settings is
unconnected (Switch turns Up); when switch turn down, the 120
Ω
resister is connected
4
RS-485
interface
Connector for RS-485 device
5
Alarm output
Alarm
output
Alarm output (16-ch ON-OFF output)
6
Alarm input
Alarm
input
Alarm input (16-ch ON-OFF input)
7
Access control
1
Reserved
8
Access control
2
Reserved
9
AUX5V
5VDC
output
Power output 5V/1A
10
AUX12V
12VDC
output
Power output12V/1A
11
BELL
Bell
Power output 12V
