Excell QW User Manual page 51

EXCELL PRECISION CO., LTD
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
2 Transmit Data
3 Receive Data
5 Signal Ground
Printer PIN
2 Receive Data
3 Transmit Data
7 Signal Ground
RS485 wiring instruction
To connect RS485, 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.
02005159
Function
Function
Function
Function
Female 9 PINS
Male 25 PINS
Female 9 PINS
Male 25 PINS
50
Function QW/GW
SG
RxD
TxD
Function QW/GW
SG
RxD
TxD
Function QW/GW
SG
DA
DB
Function QW/GW
SG
DA
DB
ZSME300000350