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Chapter 3 Features and Functions
Serial Interface Ports
User’s Guide 3-7
Serial Interface Ports
RS-232 Port
This 9-pin male subminiature D (DE-9P) rear-panel connector is a
RS-232 DTE configuration serial interface port. It allows serial
interface connection to an external computer for remote operations.
This serial interface port allows you to remotely control and monitor
the 58502A.
See the section “Connecting a Terminal or Computer” starting on
page 3-9 for information on interface cable use.
RS-232 Port Configuration
Software pacing, baud rate, parity, data bits, and stop bits parameters
for this interface are user-selectable. Table 3-2 shows the factory
default settings and the commands to send to change them.
Table 3-2. RS-232 Port Interface Factory Default Values and
Commands.
Procedures for configuring the RS-232 ports are provided in the
following subsections.
ALARM/STATUS
RS232
Parameter Default Command Possible Choices
Software Pacing NONE SYST:COMM:SER:PACE XON or NONE
Baud Rate 9600 SYST:COMM:SER:BAUD 1200, 2400, 9600, or 19200
Parity NONE SYST:COMM:SER:PAR EVEN, ODD, or NONE
Data Bits 8 SYST:COMM:SER:BITS 7 or 8
Stops Bits 1 No command exists Fixed (no choices available)
Full Duplex ON SYST:COMM:SER:FDUP ON or OFF