Q-See QS408 - Manual (Page 13)

13
Item
# Physical
Connector Description
1 DC 12V/3A Power Connection
2 VIDEO OUT
Video output for connecting TV (BNC)
3 VIDEO IN Video input for connecting analog video signal input (BNC)
4 AUDIO IN Audio input for connecting audio signal (2 feeds)
5
ALARM INPUT 8 I/O Alarm input
ALARM
OUTPUT
I/O Output for alarm
RS485 RS485 for connecting PTZ
RS232 Debugging port
+12V
Power supply for DC relay, the current is 100MA (to prevent
short circuits)
6 NETWORK For connecting Ethernet cable
7 VGA OUTPUT To connect to VGA monitor
8
AUDIO
OUTPUT
For connection to amplified speaker
9 USB Mouse port
10 Power Switch Power On/Off
IMPORTANT! The default resolution of this DVR is 1024 x 768 pixels. Some
monitors smaller than 19” may not display video properly.