QSDF8204 Digital Video Recorder 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 | Functions | |
1 | ALARM IN | Connect to external sensor | |
2 | ALARM OUT | Relay output. Connect to external alarm. | |
3 | +5 V and GND | +5 Volt and ground connection | |
4 | COM port | For debugging or data entry | |
5 | RS485 | Connection for PTZ cameras | |
6 | RJ45 PORT | Connection for network or internet | |
7 | Not Used |
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8 | AUDIO IN | Audio input, connection for MIC or other audio | |
capture devices | |||
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9 | AUDIO OUT | Audio output, connection for speaker | |
10 | |||
11 | VIDEO OUT | Connect to TV or monitor | |
12 | VIDEO IN | 4ch Video inputs | |
13 | POWER | DC 12V | |
INPUT | |||
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| To connect USB mouse for control or external USB | |
14 | USB PORT | devices like USB flash drive and USB HDD for | |
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| backup or firmware update | |
15 | FAN | For cooling the device |
