4-16

RS-232C connection

Handling Precautions
Connect the slave station to the master station in a single-drop (point-to-
point) configuration.
There are three (SD, RD and FG) communications terminals on the RS-
232C interface on the master station which may not output data if not
short-circuited as shown above.
NOTE
RS-232C connector signals (9 pins)
Example : IBM and compatibles
SD

61 63 64

RD SG
1
2
3
4
5
6
7
8
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
Host computer (master station)
Example of connection using
Chapter 4. WIRING
Pin No.
1
2
DCD
RxD
Name
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
Signal direction
Host Instrument