Sony Tektronix WFM 1125, Service Manual

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WFM 1125 Option 0A/0B/0C/0D Service Manual
2-17
Remote Operation
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.
RS-232C Connector
The RS-232C connector is a 9-pin D-type connector that provides a status data
output and a remote verification interface. Figure 2–8 shows the pin assignments
and the communication parameters for the RS-232C interface.
Pin
Number
1
2
3
4
5
6
7
8
9 DCD (Received line signal detector)
RXD (Received data)
TXD (Transmitted data)
DTR (DTE ready)
Signal ground
DCR (DCE ready)
RTS (Request to send)
CTS (Clear to send)
Not connected
Data Connection
Baud: 9600 pbs (Power cycle always
Data bits: 8 (unselectable)
Stop bits: 1 (unselectable)
Parity: None (unselectable)
Communication parameters
Flow control: Hard flagging (unselectable)
From 300 to 115200 bps can
while communicating.)
5 4 3 2 1
9 8 7 6
reset to 9600 pbs.
be set
Required
n
n
n
n
n
Figure 2-8: Pin assignments for the RSĆ232C connector