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Connecting the RS-232-C Interface Cable
When connecting this instrument to a personal computer, make sure that the
handshaking, transmission rate and data format selected for the instrument match those
selected for the computer. For details, refer to the following pages. Use an interface
cable that is shielded and meets the instrument's specifications requirements.
Connectors and Signals
RS-232-C connector
2
1 3
4
5
6 7 8 9
Note: The instrument side is provided with a male D-Sub 9 pin.
2 RD (Received Data):
Data received from personal computer
Signal direction: Input
3 SD (Send Data):
Data transmitted to personal computer
Signal direction: Output
5 SG (Signal Ground):
Ground for signals
7 RS (Request to Send): Signal used to handshake when receiving data from personal
computer
Signal direction: Output
8 CS (Clear to Send):
Signal used to handshake when transmitting data from
personal computer
Signal direction: Input
Pins 1, 4, 6, and 9 are not used. Make sure, however, that pin 1 (Frame Ground) of the
counterpart is grounded.
Signal Direction
The figure below shows the direction of signals used by the RS-232-C interface.
Computer
This
instrument
RS [ready for reception of request to send]
SD [Send data]
RD [Received data]
CS [clear to send ready]
Free Datasheet http://www.datasheet-pdf.com/