235
Theory of Operation
Interfaces
RS-232C
The RS-232C connector is used to control the instrument from a computer
through RS-232C connection, using the appropriate software. This
connector can be activated by the configuration switch module next to the
GPIB connector.
The RS-232C is designed as DCE (Data Communication Equipment) with a
9-pin male SUB-D type connector. The pins are defined as follows:
Table 52 RS-232C Connection Table
Pin Direction Function
1InDCD
2InRxD
3OutTxD
4OutDTR
5Ground
6InDSR
7OutRTS
8InCTS
9InRI
RS-232 Cable
Instrument
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
PC
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
DB9
Male
DB9
Female
DB9
Female
DB9
Male