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ACU2500A
Chapter 4: Troubleshooting
Table 4-1 (Continued). Problems/Causes/Solutions.
Problem(s)
Cause(s)
Solution(s)
Video LED is off.
1. One or both of the HDMI cables are not connected,
are of poor quality, or are malfunctioning.
2. The sink or source is not supported.
3. The KVM extender product is malfunctioning.
1. Confirm extender operation with HDMI cables that are less than 16.3 ft. (5 m) long.
2. Confirm the extender operation with a CAT5e patch cable.
3. Contact Black Box Technical Support at 724-746-5500 or [email protected].
4.2 Contacting Black Box
If you determine that your ServSwitch KVM Extender is malfunctioning, do not attempt to alter or repair the unit. It contains no
user-serviceable parts. Contact Black Box Technical Support at 724-746-5500 or [email protected].
Before you do, make a record of the history of the problem. We will be able to provide more efficient and accurate assistance if
you have a complete description, including:
• the nature and duration of the problem.
• when the problem occurs.
• the components involved in the problem.
• any particular application that, when used, appears to create the problem or make it worse.
4.3 Shipping and Packaging
If you need to transport or ship your ServSwitch KVM Extender:
• Package it carefully. We recommend that you use the original container.
• If you are returning the unit, make sure you include everything you received with it. Before you ship for return or repair, contact
Black Box to get a Return Authorization (RA) number.
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