Excell QWS User Manual page 37

EXCELL PRECISION CO., LTD.
RS-232 Wiring instruction
To connect RS232, please open the housing, RS-232'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
2 Transmit Data
3 Receive Data
5 Signal Ground
Printer PIN
2 Receive Data
3 Transmit Data
7 Signal Ground
RS-485 Wiring instruction
To connect RS-485, please make J17, J18 short and J15, J16 open on main board.
PC PIN
2 Transmit Data
3 Receive Data
5 Signal Ground
Printer PIN
2 Receive Data
3 Transmit Data
7 Signal Ground
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.
02027011
Function
Function
Function
Function
Female 9 PINS
Male 25 PINS
Female 9 PINS
Male 25 PINS
35
Function QWS/GWS
SG
RxD
TxD
Function QWS/GWS
SG
RxD
TxD
Function QWS/GWS
SG
DA
DB
Function QWS/GWS
SG
DA
DB
ZSME300000342