Connection With External Instruments - Iwatsu VOAC760 Manual

2.5.2

Connection with external instruments

The RS-232 port of this instrument uses a 9-pin D-SUB connector and inch screws (4-40 UNC).
The following Table shows the signal lines and functions of the RS-232 interface.
Pin No.
1
2
3
4
5
6
7
8
9
When connecting the instrument to a personal computer, use of cable generally called "cross cable"
makes it possible to perform the remote control. However, to ensure safe operation, check the
connector shape and pin assignments of both the instrument and computer before connecting to the
personal computer, and then prepare a proper cable.
This instrument External instrument
Pin No.
1
2
3
4
5
6
7
8
9
Abbreviation
of signal
DCD
Receive carrier detection
RXD Receive data
TXD Send data
DTR
Data terminal ready
GND Signal ground
DSR
Data set ready
RTS Transmission request
CTS Transmission enable
RI
Called signal
Abbreviation of
signal
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
Function
Not used in this instrument.
Not used in this instrument.
Not used in this instrument.
Not used in this instrument.
10
Remarks
Abbreviation of
signal
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI