Fig 2-2 Interfaces at back of camera
Note: The air tap is used for air loading and sealing, not user-access part
RS-232 communication / Video
,
The definition for 9-core is listed as follows:
N o
D e f i n i t i o n
D e s c r i p ti o n
A
TXD
RS-232 sending-end
B
RXD
RS-232 Receiving-end
C
GND
RS-232 ground
D
+8V
External power for LCD
E
GND
Power-ground
F
GND
Video-ground
G
VIDEO
Video signal
RS-422 control / video
,
The definition for 7-core is listed as follows:
N o
D e f i n i t i o n
D e s c r i p ti o n
A
A
RS-422 data receiving in-phase end
B
B
RS-422 data receiving out-phase end
C
NC
Null
D
VIDEO
Video signal
E
GND
Video-ground
F
+8V
Power supply for external keyboard
G
GND
Power-ground
Power, The definition for 5-core is listed as follows:
Internal debug
N o .
D e f i n i t i o n
D e s c r i p ti o n
B
+24V
Positive power
E
GND
Negative power
6