Rear Panel - Q-See QSDF8204C4-320 User Manual

2.3 Rear Panel

Layout subject to change, may be slightly different from your model.
The rear panel sketch and interface buttons are shown below:
Items Names
1 ALARM IN
2 ALARM OUT
3 +5 V and GND
4 COM port
5 RS485
6 RJ45 PORT
7 Not Used
8 AUDIO IN
9 AUDIO OUT
10 S-VIDEO
11 VIDEO OUT
12 VIDEO IN
POWER
13
INPUT
14 USB PORT
15 FAN
8
QSDF8204 Digital Video Recorder User Manual
Connect to external sensor 1-4.
Relay output. Connect to external alarm.
+5 Volt and ground connection
For debugging or data entry
Connection for PTZ cameras
Connection for network or internet
Audio input, connection for MIC or other audio
capture devices
Audio output, connection for speaker
S-Video output, connect to monitor
Connect to TV or monitor
4ch Video inputs
DC 12V
To connect USB mouse for control or external USB
devices like USB flash drive and USB HDD for
backup or firmware update
For cooling the device
Functions