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EXCELL PRECISION CO., LTD
02005159 ZSME300000225
46
RS232 wiring instruction
To connect RS232, please open the housing, RS232
’s PIN connectors locate on the
bottom-right corner of the main board. The most common connection method is using
9PIN and 25PIN, as shown below:
PC
PIN
Function
Female 9 PINS
Function
PWH3
2
Transmit Data
SG
3
Receive Data
RxD
5
Signal Ground
TxD
Printer
PIN
Function
Male 25 PINS
Function
PWH3
2
Receive Data
SG
3
Transmit Data
RxD
7
Signal Ground
TxD
To use other connection methods, please identify the signal and following the
above principles. After it is finished, please install the housing by the
instruction in the
SPECIAL NOTICE.