Connection Between Balances And Personal Computers - Scale House GAI420 Operation Manual

10.2 Connection between Balances and Personal Computers

 Sample connection with an IBM-PC/AT compatible 
IBM-PC/AT compatible
D-SUB9P
TXD
RXD
GND
DCD
RTS
CTS
DSR
DTR
 Sample connection with PC9801 
PC9801
D-SUB25P
TXD
RXD
GND
DCD
RTS
CTS
DSR
DTR
3
2
5
1
7
8
6
4
2
3
7
8
4
5
6
20
Balance
DIN5P
RXD
3
4 TXD
5
GND
Balance
DIN5P
3 RXD
4 TXD
5
GND
35