Serial interface ports, Rs-232 port, Rs-232 port configuration – Symmetricom 58502A User Manual

Page 53

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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

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