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5. Installation
5.1 Connection
VKC-1334/W3
Connection assignment of the open ends:
Voltage supply and video connection (J102)
Pin Name IN/OUT
1
VIDEO
Output
2
GND
3
DC 12V
Input
4
AD KEY
Input
5
GND
6
R +
RS-
485
7
R –
VKC-1339/W3
5.2 External controller circuit schematic
Video output
Voltage supply
Colour
Notes
1.0Vp-p at 75ohms
BNC
9-15V (12V ±0.5V
Red
recommended)
White
Menu control
Brown
Green
Half duplex
Blue
Half duplex
Video output
Voltage supply
VKC-1334/W3
BNC
Open ends
Day-night switching and IR-LED control (J103)
Pin Name
IN/OUT Colour
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
EXT
Output
8
IR_ON
Output
9
CDS_IN
Input
10
GND
VKC-1339/W3
BNC socket (white)
Hollow connector (black)
23
Notes
D&N switching
Grey
(ON: GND,
OFF: OPEN)
External IR-LED
Pink
control (+5V
switch output)
CdS Sensor
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