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4-Port USB to RS-232 Serial Adapter Hub
4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
4-Port Industrial RS-232 to Ethernet Data Gateway TCP/IP - Coolgear
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8 Port Serial Hub USB to RS232 Adapter - Serial Cards & Adapters | StarTech.com
010845 PoweredUSB 4-Port Hub with RS232 – CyberData Corporation
8 Port USB to DB9 RS232 Serial Adapter - Serial Cards & Adapters | StarTech.com
Gearmo USB 8 Port Serial RS232 featuring FTDI Chipset with LED Indicators
4-Port USB to RS-232 DB9 Serial Adapter w/ Prolific Chipset
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StarTech.com 16 Port USB to Serial RS232 Adapter Hub - Daisy Chain - ICUSB23216FD - -
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