B&B Electronics QSU2-400-EMB Manuel d'utilisateur télécharger pdf (Page 28)

Using configuration utilities Quatech USB-to-Serial Adapter User’s Manual

Troubleshooting

Note: Any unauthorized repairs

or modifications will void the

adapter

’

swarranty.

This section lists some common problems and their causes. If the

information below does not provide a solution, contact Quatech

technical support.

Problem Cause Solution

The USB-to-Serial

adapter cannot

communicate with

other equipment.

¾ The cables are not

connected correctly.

1. Check all cables to make sure that they

are connected correctly.

2. Make sure that each cable is securely

attached.

¾ The device driver is not

installed.

1. Double check the Device Manager per the

instructions in

Using Device Manager to

ensure that drivers are installed

correctly and that all devices are working

properly.

2. Try uninstalling the USB adapter from

the Device Manager window and then

repeat the hardware installation

instructions.

¾ The USB port is faulty.

1. If possible, connect a known good USB

device to the PC or hub connector and see

if it operates properly.

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B&B Electronics QSU2-400-EMB Manuel d'utilisateur Page 28