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StarTech.com
SKU: 6085561
StarTech.com USB to RS232/RS485/RS422 4 Port Serial Hub Adapter - Industrial Metal USB 2.0 to DB9 Serial Converter - Din Rail Mountable
$561.59 -
StarTech.com
SKU: 5712083
StarTech.com USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub
$568.54
