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⚙️ Power your legacy devices with future-ready USB ease!
The DTECH USB to RS422/RS485 Serial Port Adapter Cable features a high-performance FTDI chipset enabling reliable, plug-and-play serial communication for industrial and professional use. It offers robust surge and ESD protection, broad OS compatibility including Windows and Mac, and supports long-distance, multi-device RS485/422 connections—ideal for automation, monitoring, and control systems.
| ASIN | B0195ZD3P4 |
| Best Sellers Rank | #85 in Serial Adapters |
| Brand | DTECH |
| Color | Black |
| Compatible Devices | Desktop computer, Laptop, Raspberry Pi, POS, controller, building automation system, card reader, industrial control unit Modbus Compatible Devices Desktop computer, Laptop, Raspberry Pi, POS, controller, building automation system, card reader, industrial control unit Modbus See more |
| Connector Type | USB to Serial RS-422 RS-485 |
| Current Rating | 150 Milliamps |
| Customer Reviews | 4.6 out of 5 stars 230 Reviews |
| Finish | Matte |
| Input Voltage | 5 Volts |
| Item Dimensions | 8.9 x 5 x 2.1 inches |
| Item Type Name | RS485 adapter |
| Item Weight | 0.14 Kilograms |
| Item dimensions L x W x H | 8.9 x 5 x 2.1 inches |
| Manufacturer | Guangzhou DTECH Electronics Technology Co.,Ltd |
| Model Number | 8541672853 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | communication, computer to modem, data capture |
| UPC | 600649504312 |
| Unit Count | 1.0 Count |
| Warranty Description | 365 days from purchase date |
| Warranty Type | 365 days from purchase date |
D**.
Great for PTZ camera control and Simple to understand
Great tool! It is allowing me to have RS485 connectivity and control to a PTZ camera and coming off of another device that will control my camera without the manufacturer's utility. Simple to connect and does the job without any errors. I have been using this extensively without fail. I am a fan!!!
J**N
Works without trouble
These usb to serial converters are often finicky. This one just worked immediately. Nice.
J**N
Took a few minutes for all the drivers to settle down and work.
I got this particular maker since it was rated as being very compatible. And after waiting a few minutes for Windows 11 to correctly load up all the drivers for Com3 to appear; it does indeed work without fail. Nice clean signaling and now works without fail. Sure, I may make a mistake; but at least I don't have to worry about the communication.
G**E
Worked and saved me money
I used this to connect to a vision scanner at work. The manufacture sold a cable that was around $300. So I figured I’d give this a shot. Very easy to connect and good instructions. Only quality issue I noticed was the circuit board is exposed. So, using this in the elements may be a problem. I personally keep this in my office and only bring it out when I need it.
T**O
It works
It works as expected!
D**G
Like the adapter
Good quality as expected. Thanks.
C**E
No drama, works perfect
Even without installing the included drivers on disk, this device was detected by my computer, drivers installed and worked perfect immediately. Love the fact it has a long USB cord attached so I don't have to worry about stresses from a device getting bumped at my port. Also love the fact this unit has both screw down terminals as well as a DB9 connector, adding to its versatility. The com lights on it to let me know anything is happening are nice and bright too. Couldn't really ask for more in an adapter of this kind.
J**S
Does not receive in RS485
This device appears to only transmit using the RS485 protocol, not receive, by design. You cannot use it to receive transmitted RS485 from a controller to view the output from the controller on a PC screen. If I'm wrong, then my unit is defective.
Trustpilot
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