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RS-232↔RS-422/485 CONVERTER (DATA ONLY)
6. Troubleshooting
6.1 Calling Black Box
If you determine that your RS-232↔RS-422/485 Converter (Data Only) is
malfunctioning, do not attempt to alter or repair the unit. It has no user-serviceable
components. Contact Black Box Technical Support 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; and
• the results of any testing you’ve already done.
6.2 Shipping and Packaging
If you need to transport or ship your Converter:
• Package it carefully. We recommend that you use the original container.
• If you are returning the unit, include everything you received with it. Before
you ship the unit back to Black Box for repair or return, contact us to get a
Return Authorization (RA) number.