StarTech.com 4 Port Serial Hub Adapter USB to RS232/RS485/RS422 Converter - ICUSB234854I - -
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Usb Serial Prolific | 9 Pin Serial Cable | Pin Cable Adapter | Usb Adapter Cable - Pc Hardware Cables & Adapters - Aliexpress
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
4-Port USB to RS-232 Hub - UC2324, ATEN Converters | ATEN Corporate Headquarters
4 Port USB to DB9 RS232 Serial Adapter - Serial Cards & Adapters | StarTech.com
4-Port USB to RS-232 Hub - UC2324, ATEN Converters | ATEN Corporate Headquarters
4-Port USB to RS-232 Serial Adapter Hub
StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter, Industrial USB 2.0 to DB9 Serial Converter Hub, IP30 Rated, Din Rail Mountable Metal Serial Hub, 15kV ESD Protection - 6ft Locking Cable
StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention -
8-Port USB to RS-232 Serial Adapter Hub
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StarTech.com ICUSB23216FD USB to Serial Hub - 16 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub - Newegg.com
Tera Grand USB 2.0 to RS232 Serial DB9 Adapter USB2-RS232WN-06
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StarTech.com 16 Port USB to Serial RS232 Adapter Hub - Daisy Chain - ICUSB23216FD - -
4-Port USB to RS-232 Serial Adapter Hub
USB to TTL RS232 RS485 Serial Port Converter Board 3 USB HUB Splitter Expansion|Computer Cables & Connectors| - AliExpress
