Table 2-13

Solving Infrared Problems

Problem

Possible Cause

Solution

Cannot communicate

The appropriate

Install the appropriate

with another

software is not

software on the second

computer

running on both

device, start the second

 

computers.

device, and start the

 

 

program on both

 

 

computers.

 

The other computer

Communication between

 

does not have an

infrared devices must use

 

IrDA-compliant

the same communications

 

infrared port. Your

protocol. Check the

 

Compaq computer

manufacturer’s

 

uses the IrDA

instructions for

 

communications

connecting with infrared

 

protocol.

devices or try connecting

 

 

with a device you know to

 

 

be IrDA-compliant.

 

The pathway

Remove the obstruction,

 

between the infrared

align the infrared ports to

 

ports is obstructed,

within 30 degrees, and

 

one port is more than

position computers within

 

30 degrees (plus or

1.5 feet (about 0.5 meter)

 

minus 15 degrees off

of each other.

 

the center line) from

 

 

the other, or the

 

 

ports are more than

 

 

one meter apart.

 

 

There is an interrupt

Check for IRQ conflicts in

 

request (IRQ)

the Device Manager. If

 

conflict.

two devices have the

 

 

same IRQ address,

 

 

reassign one of the

 

 

devices.

 

There is a baud rate

Select the same baud

 

conflict.

rate for both computers.

 

There is a conflict

Select the same # bits

 

with the # bits.

setting for both

 

 

computers.

 

There is a stop byte

Select the same stop byte

 

conflict.

for both computers.

 

There is a parity

Select the same parity

 

conflict.

setting for both

 

 

computers.

 

 

Continued

Troubleshooting 2-25

Page 61
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Compaq E500S, V300 manual Solving Infrared Problems