LT Security LTD7904 - Manual (Page 12)

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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