Error Messages; Table 13-3 Pc Serial Port Pinout - Keithley 2500 User Manual

Models 2500 and 2502 User's Manual
Table 13-2
RS-232 connector pinout
Pin number
Note: CTS and RTS are tied together.
Pins 1, 4, and 6 are tied together.
Table 13-3
port connector on the computer (PC).
Table 13-3
PC serial port pinout
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

Error messages

See Appendix B
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
Description
1 Not used
2 TXD, transmit data
3 RXD, receive data
4 Not used
5 GND, signal ground
6 Not used
7 RTS, ready to send
8 CTS, clear to send
9 Not used
provides pinout identification for the 9-pin (DB-9) or 25-pin (DB-25) serial
DB-9 pin
Signal number
for RS-232 error messages.
DB-25 pin
number
1 8
2 3
3 2
4 20
5 7
6 6
7 4
8 5
9 22
Remote Operations 13-19