Black Box USB to RS232 Opto-Isolated Converter - Walmart.com
2-Port Industrial USB 2.0 to RS-422 / 485 Optical Isolated Adapter - Coolgear
Optically Isolated 7-Port USB Hub - Sealevel
USB to Serial Adapter Cable w/ Isolation - Serial Cards & Adapters | StarTech.com
USB-to-Optical isolated RS-422/485 Industrial Adapter
Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial / Port -Powered)
Amazon.com: COMMFRONT Industrial USB Isolator, USB 2.0 5000Vrms Isolation (per UL 1577), Low and Full Speed Data Rate: 1.5Mbps and 12Mbps, Plug-n-Play, No Drivers Required : Electronics
USB 2.0 4-Port Isolated Hub - Coolgear
EVC9003 USB Isolator / USB optical isolation board / 1 to 3 USB protection board magnetic coupling isolation ADUM4160 _ - AliExpress Mobile
USB 8 Opto-Isolated Digital Inputs Module - Denkovi A E LTD
Amazon.com: StarTech.com USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable (ICUSB2321FIS),Black : Electronics
Black Box Industrial-Grade USB Hub - hub - 4 ports - ICI200A - Power Supplies - CDW.com
USB Optically Isolated, industrial 4 Port Hub DIRECT
Optically Isolated USB to Serial Adapter by Emil Johnsen — Kickstarter
USB TO RS232 ADAPTERS W/OPTICAL ISOLATION (FULL SPEED) — Connective Peripherals - Global Store
Optically Isolated 7-Port USB Hub with SeaLATCH USB Ports - Sealevel
Optically Isolated 7-Port USB Hub - Sealevel
Adafruit USB Isolator - 100mA Isolated Low/Full Speed USB : ID 2107 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits
SP385A-R3, USB to RS232 Opto-Isolated Converter - Black Box
Fluke OC4USB USB Interface Cable | Fluke
USB to Optical Adapter Industrial Isolated RS-232/422/485 - Coolgear
