4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts
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FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
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4-Port USB to RS-232 Serial Adapter Hub
4-port USB to Serial RS232 Converter
Description - USB SER 4
4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
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Large Selection of USB-RS232 adapters, Easy Installation and Setup of USB RS232 COM ports.
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Q Core Medical Sapphire USB to 4-Port RS232 Adapter | Bound Tree
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
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USB to 4-PIN Serial RS232 PORT FTDI Chipset Adapter Connector | eBay
Four-port USB to serial RS232 converter / adapter
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4-Port USB-A to Serial DB9 Adapter, Keyspan | Eaton
4-Port USB to RS232 Adapter FTDI Cable - Coolgear
4-port Usb 2.0 To 4x Rs232 Serial Cable Splitter Converter Ze552a(ftdi Chipset+win 10 Supported) - Pc Hardware Cables & Adapters - AliExpress
USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi : ID 954 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
4-Port USB to RS-232 DB9 Serial Adapter w/ Prolific Chipset
