Справочник Пользователя для RCA 300 Series

5 Troubleshooting

E-SIT-CTC-20030702-0003 v4.0

Normal operation

during a session

In this state the USB LED is assigned to the downstream (R

X

) data channel (towards the 

USB connection). 
The ADSL LED is assigned to the upstream (T

X

) data channel (towards the ADSL 

channel).
Both LEDs stay green. When an ATM cell is processed in a channel, the associated LED 
will go off for a short time.

Troubleshooting table

Following table may help you determine the nature of the problem, and provide some 
plausible solutions:

Problem

Solution

SpeedTouch™does not work.
(none of the LEDs light up)

Verify the SpeedTouch™ connections.

Check if the SpeedTouch™'s cord is damaged 
in any way.

When using a portable computer in battery 
mode, it is possible that its USB port is not 
powered. Refer to the portable's User's 
Guide for more information.

Check if the SpeedTouch™ is not connected 
to a low- or non-powered USB hub port. 
Refer to the USB hub's User' Guide for more 
information.

Speed Touch™ USB driver 
installation failed.

Verify your computer is running one of the 
supported OSs and that it meets the 
according minimum requirements.

Check whether the SpeedTouch™ is not 
connected to a low-powered USB hub port. 
Refer to the USB hub User's Guide for more 
information. 

USB LED flashes red, or stays 
solid red.

Your USB port congests, meaning that too 
much traffic is passing through it.
Avoid using multiple high speed USB devices, 
e.g. scanners, speaker, etc. during heavy duty, 
e.g. a data download.

USB LED is solid amber and 
ADSL LED is solid green.

Power On Self Test (POST) failed.
Check whether the connections are correctly 
made.