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4. CONNECTOR AND JUMPER
4.1 RS232C connecter (CN6)
Connector type: JST/ZH/1.5mm/6P
Pin assignment
No
1
2
3
4
5
6
4.2 USB connecter (CN2)
Connector type: JST/ZH/1.5mm/4P
Pin assignment
No
1
2
USBD+
3
4
4.3 ON/OFF Switch Connector
Type: JST/XH/2.5mm/2P
Location
J1
J2
Signal
Direction
TXD
From display to PC/Host
RXD
From PC/Host to display
RTS
From display to PC/Host
CTS
From PC/Host to display
GND
Vin
Signal
Direction
GND
USBD-
5Vdc
5V From PC/Host
SHORT
RS232 enable
USB enable
CN6
CN2
Function Description
-
-
Function Description
-
-
-
59
1
6
Signal ground
Power 5 Vdc
1
4
Signal ground
USB data signal +
USB data signal -
Power 5 Vdc
OPEN
RS232 disable
USB disable
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