EXPRESS 8-PORT MUX
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5.2 Calling Black Box
If you determine that your Express 8-Port Mux is malfunctioning, do not attempt to alter or repair the unit. It
contains no user-serviceable parts. Contact Black Box at 724-746-5500.
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.
5.3 Shipping and Packaging
If you need to transport or ship your Express 8-Port Mux:
• Package it carefully. We recommend that you use the original container.
• If you are shipping the Express 8-Port Mux for repair, make sure you include everything that came in the
original package. Before you ship, contact Black Box to get a Return Materials Authorization (RMA)
number.
