14-2
IM 765501-01E
14.2 Serial (RS-232) Interface Connection
When you connect the GS610 to a PC, you must set the GS610 so that the handshaking
method, baud rate, data format, and other parameters match those on the PC.
For details on the settings, see the following pages. In addition, use an interface cable
that meets the specifications of the GS610.
Connector and Signal Names
2
1
3 4 5
6 7 8 9
RS-232 connector (9-pin)
2 RD (Received Data):
Received data from the PC.
Signal direction: Input
3 SD (Send Data):
Transmitted data to the PC.
Signal direction: Output
5 SG (Signal Ground):
Signal ground.
7 RS (Request to Send): Handshaking used to receive data from the PC.
Signal direction: Output
8 CS (Clear to Send):
Handshaking used to send data to the PC.
Signal direction: Input
* Pins 1, 4, 6, and 9 are not used.
9-Pin to 25-Pin Adapter and Signal Names
5
8
7
2
3
(2) (3) (4)
(5)
(7)
The numbers inside the parentheses are pin numbers for the 25-pin connector.
RS-232 Standard Signals and Their JIS and CCITT Abbreviations
Signal Table
Pin #
(9-pin connector)
Symbol
RS-232
Name
CCITT
JIS
5
3
2
8
7
AB (GND)
BA (TXD)
BB (RXD)
CB (CTS)
CA (RTS)
102
SG
103
104
106
105
SD
RD
CS
RS
Signal ground
Transmitted data
Request to send
Received data
Clear to send