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4-Port USB to RS-232 Serial Adapter Hub
ATEN UC2324 4-port USB to Serial RS-232 Hub
16 Port USB to Serial RS232 Adapter Hub - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
StarTech.com 4 Port USB to Serial RS232 Adapter Hub – Wall Mountable
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Aten UC2324 USB to Serial Hub - 4 x 9-pin DB-9 Male RS-232 Serial
4 Port USB to RS232 Serial DB9 Adapter Hub – BCI Imaging Supplies
Moxa Uport 1610-16 USB to 16-port RS-232 Serial Hub - Webshop Hatteland Technology - Sweden
StarTech.com USB to Serial Adapter Hub 8 Port Industrial Wall Mount Din Rail COM Port Retention FTDI USB to RS232 - ODP Business Solutions
