TM 5-3805-281-24-1
Group 25
Tests
LAPTOP COMPUTER GENERAL
DESCRIPTION
NOTE: The laptop cannot be connected to excavator
system without 5 volts from the system supply. If
laptop cannot establish a successful RS232
connection, check for approximately 5 volts on
any of the 5-volt sensor's power wire. A grounded
5-volt sensor power wire will prevent a successful
RS232 connection. Without system 5-volt supply,
RS232 connection is disabled.
The JT07274F Excavator Diagnostics Program Disk is
designed to run on a laptop computer, such as JT07294
Computer Kit, with the following minimal hardware
requirements:
486 Processor
16 megs of RAM
WINDOWS 95 or
WINDOWS NTTM
Standard RS232 Serial Port
The laptop computer is connected to the John Deere
excavator by the JT07273 Cable with a standard RS232
connector fitted with a filter to accommodate the voltage
levels of the engine and pump controller.
9025
25
1
WINDOWS is a trademark of MICROSOFT CORPORATION.
NT is a trademark of MICROSOFT CORPORATION.
CED,TX08227,2893
1928JAN991/1
