Keithley 6430 User Manual

Remote Operations 13-19
Table 13-3 provides pinout identification for the 9-pin (DB-9) or 25-pin (DB-25) serial port
connector on the computer (PC).
Error messages
See Appendix B for RS-232 error messages.
Table 13-2
RS-232 connector pinout
Pin number Description
1
2
3
4
5
6
7
8
9
Not used
TXD, transmit data
RXD, receive data
Not used
GND, signal ground
Not used
RTS, ready to send
CTS, clear to send
Not used
Note: CTS and RTS are tied together.
Pins 1, 4, and 6 are tied together.
Table 13-3
PC serial port pinout
Signal
DB-9 pin
number
DB-25 pin
number
DCD, data carrier detect
RXD, receive data
TXD, transmit data
DTR, data terminal ready
GND, signal ground
DSR, data set ready
RTS, request to send
CTS, clear to send
RI, ring indicator
1
2
3
4
5
6
7
8
9
8
3
2
20
7
6
4
5
22

Keithley 6430 Specifications

General

Brand	Keithley
Model	6430
Category	Measuring Instruments
Language	English