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Appendix A: Troubleshooting
A.2 Shipping and Packaging
If you need to transport or ship your USB to 4-Port RS-232/422/485 Interface
Converter:
• 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.