Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub / Splitter (Industr – CommFront
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4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
4-port USB-to-Serial RS-422/485 Hub at Cables N More
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2 Port USB 2.0 to Serial Adapter Hub - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
4-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset - Coolgear
Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub / Splitter (Industr – CommFront
StarTech.com USB to Serial Adapter Hub - 4 Port - Bus Powered - DB9 (9 – Natix
StarTech.com 4 Port USB to Serial RS232 Adapter Hub - DB89 - ICUSB2324 - USB Adapters - CDW.com
Industrial USB 8 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
StarTech.com 4 Port USB to Serial DB9 RS232 Adapter Hub (ICUSB2324)
2-Port USB 3.2 Gen 1 Industrial Surface & DIN-Rail Mount Hub w/ Gigabit Ethernet & DB9 Serial FTDI Chipset
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
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I) : Electronics
Amazon.com: StarTech.com USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub (ICUSB23208FD) : Electronics
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Amazon.com: 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
