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ATEN USB to Serial RS-232 Converter, Model UC-232A, with Software Disc& Manual | eBay
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ATEN USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - Newegg.com
USED USB to Serial Converter Adapter FOR ATEN LT UC232A Supports Vista/XP/ME/98SE/2000/Win7/Win8|converter adapter|adapteradapter converter - AliExpress
ATEN UC1284B: USB to Parallel Port Printer Cable Convertor Adapter - aten -kvm.com
USB-to-Serial RS232 - itcenterstore
RS232 to USB converter - Victron Energy
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ATEN UC232A1 USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers 100cm - Newegg.com
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