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hCOM1 VCC & 12V Selection: JP1
Assignment
Default
VCC
+12V
hCOM2 VCC & 12V Selection: JP2
Assignment
Default
VCC
+12V
hSerial Port 1: CN1 /Serial Port 2: CN2
Pin # Assignment
1
Data carrier detect
2
Receive data
3
Transmit data
4
Data Terminal ready
5
Signal Ground
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
10
NC
JP1
1-2
3-4
5-6
JP2
1-2
3-4
5-6
3-3
Figure
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