Alcatel-Lucent speedtouch usb-manta usb 1.4 User Manual
Normal operation
during a session
USB bus congestion
Solution table
AppendixA
Troubleshooting
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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
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
Both LEDs stay green. When an ATM cell is processed in a channel, the
associated LED will go off for a short time.
The USB LED flashes red during a session in case of USB bus
congestion.
Indication & Problem Solution
Speed Touch
USB
does not work:
No LEDs light up.
There is no power
No LEDs light up.
There is no power
supplying connection.
Verify the STUSB connections.
Check if the STUSB's cord is damaged in any
Check if the STUSB's cord is damaged in any
way.
When using a portable computer in battery mode,
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 STUSB is not connected to a
Check if the STUSB is not connected to a
lowpowered USB hub port. Refer to the USB
hub's User' Guide for more information.
Speed Touch
USB
installation failed.
Verify your computer is running one of the
supported OSs and that it meets the according
minimum requirements.
Check whether the STUSB is not connected to a
Check whether the STUSB is not connected to a
lowpowered 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 the port. Avoid using
multiple high speed USB devices, e.g. scanners,
speaker, etc. during heavy duty, e.g. a data
download.
Both USB LED and
ADSL LED are solid
amber.
Power On Self Test (POST) failed. Check whether
the connections are correctly made.