StarTech.com 4 Port USB to DB9 RS232 Serial Adapter Hub - Industrial DIN Rail and Wall Mountable - 1 x 4-pin Type B Female USB 2.0 USB, 4 x 9-pin DB-9
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StarTech.com 2 Port Industrial USB to Serial RJ45 Adapter - Wallmount and DIN Rail - 1 x 4-pin Type B Female USB 2.0 USB
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