Troubleshooting – Rose Electronics CrystalLink USB 3.0 User Manual
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Troubleshooting
The following table provides troubleshooting tips. The topics are arranged in the order in which they should
be executed in most situations. If you are unable to resolve the problem after following these instructions,
please
contact Technical Support
for further assistance.
PROBLEM
CAUSE
SOLUTION
All LEDs on
TRANSMITTER
unit are off.
•
The TRANSMITTER unit is not
receiving power from the USB
port or the (optional)
TRANSMITTER AC adapter.
1. Ensure that the USB connection between
the TRANSMITTER
and host computer is
properly installed.
2. Move the USB connector to another USB port on
the host computer.
All LEDs on
RECEIVER
unit are off.
•
The RECEIVER unit is not
receiving power from the AC
adapter.
1.
Ensure that the AC power adapter is properly
connected to the RECEIVER unit.
2.
Check that the AC adapter is connected to a live
source of electrical power.
Status LEDs on
both the
TRANSMITTER
and RECEIVER are
blinking.
•
There is no connection between
the TRANSMITTER unit and
RECEIVER unit.
•
The TRANSMITTER unit is not
connected to
a USB 3.0 port
•
The host computer does not
support USB 3.0
1. Ensure that the host computer supports USB 3.0,
refer to manual for the computer to confirm.
2. Ensure the TRANSMITTER unit is connected to a USB
3.0 port. The centre of the port should be blue.
Another colour, such as black usually indicates a
USB
2.0 port
3.
Ensure that a multimode fiber optic cable with
crossover is connected between the TRANSMITTER
and RECEIVER units.
4.
Connect a fiber optic crossover patch cord
between the TRANSMITTER and RECEIVER
units. Recheck operation of the system.
Status LED is off
on one or both
units
•
The computer went into
suspend, hibernate or sleep
mode.
•
The computer tried to suspend
the USB 3.0 port that the
TRANSMITTER is connected to.
1.
Power cycle the RECEIVER unit and the
devices connected to the RECEIVER
2.
Power cycle the TRANSMITTER and RECEIVER
units, and the devices connected to the
RECEIVER
3. Follow the steps in “Preparing Your Computer” on
page 7 to disable suspend modes on your computer.
Refer to your operating system’s manual for