4-port USB to Serial RS232 Converter
USB to 4-Port RS-422, RS-485 DB9 Serial Interface Adapter - Sealevel
USB-Serial Link 4-232-DB9 Cabled - LAVA Ports
Industrial USB To 4-ch Serial Converter, Original FT4232HL Chip, Supports USB To RS232/485/422/
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
Multi-4/USB RS232 - | Serial Adapter | BRESSNER
USB to 4 PIN Serial RS232 PORT FTDI Chipset Adapter
4 Port FTDI USB to DB-9 Serial Cable for Win XP/Vista/7/8 and Linux | Cooldrives
400-20250 - 10 cm (4 in.) USB serial adapter cable.
USB to serial adapters | Niktips's Blog
4-Port RS-232 USB to Serial Adapter Data Control Box - Coolgear
4 Port USB to Serial Adapter - USB-B to DB9 RS485 RS422 | Eaton
Delock Products 87414 Delock USB 2.0 to 4 x serial adapter
StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
Amazon.com: USB to RS232 Serial Adapter 4 Pin Terminal Block TXD RXD GND VCC Pinout with FTDI Chip Support Windows XP/Android/Window7/8/10/Mac OS/Vista : Electronics
4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
4 Port USB to DB9 RS232 Serial Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe
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4 Port USB to Serial Adapter Hub - China USB to RS232 RS485 Cable and 4 Port USB to Serial Adapter Hub price | Made-in-China.com
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USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
StarTech 4-Port USB to Serial Adapter Hub with COM ICUSB2324X
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4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX Indicators
