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Appendix B: Remote Operation
RS-232C Connector
5
9
Communication parameters
Baud: 9600 pbs (Power cycle always
Data bits: 8
Stop bits: 1
Parity: None
Flow control: Hard flagging (unselectable)
WFM 1125 Option 0A/0B/0C/0D User Manual
The waveform monitor has two multi-pin connectors on the rear panel that
provide different types of remote control. The RS-232C port provides for a status
data output and factory servicing. The REMOTE connector provides a way to
load or save presets.
The RS-232C connector is a 9-pin D-type connector that provides a status data
output and a remote verification interface. Figure B–1 shows the pin assignments
and the communication parameters for the RS-232C interface.
4
3
2
1
8
7
6
reset to 9600 pbs.
From 300 to 115200 bps can
be set
while communicating.)
(unselectable)
(unselectable)
(unselectable)
Figure B-1: Pin assignments for the RS 232C connector
Pin
Number
Data Connection
1
DCD (Received line signal detector)
2
RXD (Received data)
3
TXD (Transmitted data)
4
DTR (DTE ready)
5
Signal ground
6
DCR (DCE ready)
7
RTS (Request to send)
8
CTS (Clear to send)
9
Not connected
Required
n
n
n
n
n
B-1
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