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Chapter 5
Internet Connection Troubleshooting
E-DOC-CTC-20050126-0005 v1.0
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5.2 LED Diagnostics
Checking the LEDs After establishing Internet connectivity, at least following LEDs should solidly light
green: Power, DSL, Internet.
LED status Possible solutions
No LEDs are lit or
flashing
Make sure the SpeedTouch™ is plugged into an
electrical outlet.
Make sure you are using the correct power supply
for your SpeedTouch™ device, that is a 15V AC
power adapter, like the one provided.
Make sure the power switch on the SpeedTouch™
is turned on.
DSL LED is flashing
green or no DSL LED
Your service is unable to synchronise.
Ensure the SpeedTouch™ is plugged into the DSL-
enabled phone line.
Ensure micro-filters have been correctly fitted (if
not, there is a big chance you also have a bad
regular telephone service).
Make sure you use the right power supply (15V
AC).
Make sure that the correct SpeedTouch™ variant is
used for your DSL service (ISDN/POTS).
Unplug the SpeedTouch™, reboot your computer
and then plug the SpeedTouch™ back in.
If you have previously had a working connection,
call your ISP to check for service outages.
No Ethernet LED
No Ethernet’s Link
Integrity/Activity
LED
No Ethernet connectivity:
Make sure the Ethernet cable(s) are firmly
connected to the 10/100Base-T port.
Make sure you are using the correct cable type for
your Ethernet equipment.
Make sure the Ethernet NIC driver is correctly
installed and enabled on your computer. Power
safe options for the Ethernet NIC should preferably
be disabled.
No USB LED No USB connectivity:
Make sure the USB cable is firmly connected to the
USB port.
Make sure the USB driver is correctly installed and
enabled on your computer.