3 rear panel instructions – LT Security LTD7904 User Manual
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Digital Video Recorder User Manual
2.3 Rear Panel Instructions
2.3.1 Rear Panel Interface
The rear Panel interface for 4-ch is shown as Fig 2.3:
Fig 2.3 Rear Panel for 4-ch
Item
Name
Description
1
Audio in
4 CH Audio input
2
Video in
Video input channels from 1-4
3
Audio out
Audio output, connect to the sound box
4
Video out
Connect to monitor
5
P/Z
Connect to speed dome
6
K/B
Connect to keyboard
7
ALARM OUT
1-ch relay output. Connect to external alarm
8
+ 5V and GND
+5 V and Grounding
9
ALARM IN
Connect to external sensor1-4
10
VGA port
VGA output, connect to monitor
11
LAN
Network port
12
USB port
Connect USB mouse or connect external USB
devices
13
DC12V
POWER INPUT
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