User manual

14-16 Remote Operations 2400 Series SourceMeter
®
User’s Manual
Table 14-3 provides pinout identification for the 9-pin (DB-9) or 25-pin (DB-25)
serial port connector on the computer (PC).
Table 14-2
RS-232 connector pinout
Pin numbezr 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: CTA and RTS are tied together.