![Amazon.com: Serial Port Converter, Serial Port Adapter Bidirectional ESD Protection for Industrial Use (USB to RS232) : Electronics Amazon.com: Serial Port Converter, Serial Port Adapter Bidirectional ESD Protection for Industrial Use (USB to RS232) : Electronics](https://m.media-amazon.com/images/I/61BABxc15mL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Serial Port Converter, Serial Port Adapter Bidirectional ESD Protection for Industrial Use (USB to RS232) : Electronics
![USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection - Coolgear USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection - Coolgear](https://www.coolgear.com/wp-content/uploads/2013/05/usbg-comi-m_5_1.jpg)
USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection - Coolgear
![USB 2.0 Extender over Cat5e/Cat6 Kit-ESD - USB Extenders | Add-on Cards & Peripherals | StarTech.com USB 2.0 Extender over Cat5e/Cat6 Kit-ESD - USB Extenders | Add-on Cards & Peripherals | StarTech.com](https://media.startech.com/cms/products/gallery_large/usb2001ext2pna.main.jpg)
USB 2.0 Extender over Cat5e/Cat6 Kit-ESD - USB Extenders | Add-on Cards & Peripherals | StarTech.com
![RS485 RS422 to USB 2.0 Support 256 Nodes Interference Dual Chipset 15Kv-ESD Converter for Windows 7 XP - Cable Length 0.5m, as described - Walmart.com RS485 RS422 to USB 2.0 Support 256 Nodes Interference Dual Chipset 15Kv-ESD Converter for Windows 7 XP - Cable Length 0.5m, as described - Walmart.com](https://i5.walmartimages.com/seo/RS485-RS422-to-USB-2-0-Support-256-Nodes-Interference-Dual-Chipset-15Kv-ESD-Converter-for-Windows-7-XP-Cable-Length-0-5m-as-described_f5cd1de7-7f4e-4276-be91-67c755faff59.534a0e4959a5703766947941a8df7178.jpeg)
RS485 RS422 to USB 2.0 Support 256 Nodes Interference Dual Chipset 15Kv-ESD Converter for Windows 7 XP - Cable Length 0.5m, as described - Walmart.com
![Amazon.com: UTEK UT-890A 5ft 1-Port USB to RS-485/422 Serial Converter with ESD Protection : Electronics Amazon.com: UTEK UT-890A 5ft 1-Port USB to RS-485/422 Serial Converter with ESD Protection : Electronics](https://m.media-amazon.com/images/I/612sJsP19RL.jpg)
Amazon.com: UTEK UT-890A 5ft 1-Port USB to RS-485/422 Serial Converter with ESD Protection : Electronics
![Converter Isolate Module | Esd Protection Board | Connector Board - Usb Rs485 Converter - Aliexpress Converter Isolate Module | Esd Protection Board | Connector Board - Usb Rs485 Converter - Aliexpress](https://ae01.alicdn.com/kf/H97caa8a06c6f4f0fba2eb5847052ceb7x.jpg_640x640Q90.jpg_.webp)
Converter Isolate Module | Esd Protection Board | Connector Board - Usb Rs485 Converter - Aliexpress
![diodes - Can anyone explain this USB ESD protection circuit? - Electrical Engineering Stack Exchange diodes - Can anyone explain this USB ESD protection circuit? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/dB221.png)
diodes - Can anyone explain this USB ESD protection circuit? - Electrical Engineering Stack Exchange
![Amazon.com: Industrial USB to RS485 Converter Adapter with Original CH343G and SP485EEN, Built-in Lightningproof Tube, Resettable Fuse, ESD and TVS Protection Circuits, up to 1.2km RS485 Transmission Distance : Electronics Amazon.com: Industrial USB to RS485 Converter Adapter with Original CH343G and SP485EEN, Built-in Lightningproof Tube, Resettable Fuse, ESD and TVS Protection Circuits, up to 1.2km RS485 Transmission Distance : Electronics](https://m.media-amazon.com/images/I/51HlhqZ3X4L.jpg)
Amazon.com: Industrial USB to RS485 Converter Adapter with Original CH343G and SP485EEN, Built-in Lightningproof Tube, Resettable Fuse, ESD and TVS Protection Circuits, up to 1.2km RS485 Transmission Distance : Electronics
![USB to RS422 or RS485 Serial Port Converter Adapters Cable 15Kv-ESD Anti-Interference Support 256 Nodes Converter for Windows 10 8 7 XP Length 0.5m Cable Length 0.5m - Walmart.com USB to RS422 or RS485 Serial Port Converter Adapters Cable 15Kv-ESD Anti-Interference Support 256 Nodes Converter for Windows 10 8 7 XP Length 0.5m Cable Length 0.5m - Walmart.com](https://i5.walmartimages.com/asr/73556a89-dd96-4197-92b3-eeb2ca5e07e7.2730b70da47ce77528d8334c0fc35f21.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
USB to RS422 or RS485 Serial Port Converter Adapters Cable 15Kv-ESD Anti-Interference Support 256 Nodes Converter for Windows 10 8 7 XP Length 0.5m Cable Length 0.5m - Walmart.com
![Amazon.com: USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection : Electronics Amazon.com: USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection : Electronics](https://m.media-amazon.com/images/I/71yNeQMaSIL._AC_UF894,1000_QL80_.jpg)