16-10 Troubleshooting
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Karen Williams Saved by: Karen Williams Saved date: 05/29/00 6:03 PM
Part Number: 168893-001 File name: CH16.doc
Solving Infrared Problems
Problem Possible Cause Solution
Cannot
communicate
with another
computer.
The appropriate software
is not running on both
computers.
Install the appropriate
software on the second
device, start the second
device, and start the
program on both
computers.
The other computer
does not have an IrDA-
compliant infrared port.
Your Compaq computer
uses the IrDA
communications protocol.
Communication between
infrared devices must use
the same
communications protocol.
Check the manufacturer’s
instructions for
connecting with infrared
devices or try connecting
with a device you know to
be IrDA-compliant.
The pathway between the
infrared ports is
obstructed, one port is
more than 30 degrees
(plus or minus 15
degrees off the center
line) from the other, or
the ports are more than
one meter apart.
Remove the obstruction,
align the infrared ports to
within 30 degrees, and
position computers within
1.5 feet (about 0.5 meter)
of each other.
There is an interrupt
request (IRQ) conflict.
Check for IRQ conflicts in
the Device Manager. If
two devices have the
same IRQ address,
reassign one of the
devices.
There is a baud rate
conflict.
Select the same baud
rate for both computers.
There is a conflict with
the # bits.
Select the same # bits
setting for both
computers.
There is a stop byte
conflict.
Select the same stop byte
for both computers.
There is a parity conflict. Select the same parity
setting for both
computers.
Continued
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