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This is a newly designed product, using the Taiwan prolific production company PL2303TA chips, PL2303TA perfectly compatible with win XP/VISTA/7/8/8.1 system.
This product is designed for laboratory, product testing, low-cost MCU communications and other applications.
Four Wire Designation:
Red - 5v
Black - Ground
Green - Tx
White - Rx
Product Applications:
Single-chip upgrade solution for Legacy RS232 devices to USB interface
USB to RS232 converters/cables/dongles
Healthcare/Medical USB Interface Data Transfer Cable
Personal Infotainment/Media Player Docking USB Interface
Cellular/PDA USB Interface Data Transfer Cable
Serial-over-IP Wireless Solution
USB Barcode/Smart Card Readers
GPS/Navigation USB Interface
Point-of-Sale (POS) Terminals/Printers
PC Docking Station/Port Replicators
Industrial/Instrumentation/Automation Control USB Interface
USB Modem/Wireless/Zigbee USB Interface
Set-Top Box (STB) / Home Gateway USB Interface
BatteryCharger Application
MCU-based devices to USB interface
Wire Length:90cm/3ft
Package: 1PC USB to TTL serial cable
MuNaught
Reviewed in the United States on March 15, 2025
Not genuine, has a counterfeit component and drivers are blocked by Windows.
Mark
Reviewed in the United States on March 11, 2025
First of, this does NOT use a prolific chip. Inside it has a blacked out chip to hide what the chip really is. Personally, I don't want to waste time with non-prolific chipsets and companies that I can't trust when it comes to working with firmware, so this goes in the junk bin.On mine, the color code was:Red: 5V (VDD or VCC)Black: Ground (GND)White: Transmit (TX)Green: Receive (RX)I verified by holding the blue case and gently twisting the USB connector to make the case start to seperate, then looked inside to see what was soldered where.This is not the same standard the rest of my cables use, so I advise if yours doesn't work, try reversing the TX and RX wires.
Customer
Reviewed in the United States on May 29, 2023
I got the device to work, though there is no documentation as to what the color code of the wires mean. Then it kept dropping offline. If I unplug and replug it (sometimes many times) it comes back online. This is on a WIndows 10 PC. Finally it stopped coming back online at all. Moved it to a Linux computer and failed to work there either. At least Linux gives the helpful information: "unable to enumerate USB device".Gonna buy some other brand...
Drastic Repairs
Reviewed in the United States on March 17, 2023
Used it to read the codes on a 001 PS3. All was good once I reversed the tx and rx lines.
P. Klapperich
Reviewed in the United States on December 1, 2022
I plugged this into a Windows machine recently. Windows automatically downloaded the official Prolific driver, which notified me "THIS IS NOT PROLIFIC PL2303. PLEASE CONTACT YOUR SUPPLIER". Updated from 5 stars to 1 star for selling a counterfeit product.Original Review below:-----------------------First one was bad, replacement works greatMake sure you test this: short the White Rx to the green Tx and ensure that everything you send is also received (you can just open a terminal program like `miniterm.py` and type a bunch of letters). My first one was not working correctly and after looking with the scope, I determined Tx was fine, but there was a stuck bit on the Rx. Of it was sent 0x00 it received 0x80, if it was sent 0x71 it received 0xF1, etc.It shows up on Linux as `067b:2303 Prolific Technology, Inc. PL2303 Serial Port / Mobile Action MA-8910P` and just works out of box. I think Windows 10 still gets PL2303 drivers via windows update, so Windows users will probably have to wait a bit after plugging it in before it starts working, or maybe download from Prolific's website.I've used it up to 921600, which is the limits of the micro I'm working with.
Maciek P
Reviewed in the United Arab Emirates on May 28, 2021
OK - no problems
D. Hayes
Reviewed in the United States on September 14, 2020
Very good price. No instructions.I bought this to connect to the signals on a Raspberry Pi-4.Information about the Raspberry Pi GPIO indicated what pins to connect to. I found a picture on the web which shows that red = NC, black = 6:GND, White =8:TXD , Green = 10:RXDConnect at 115200 bps, 8N1, no flow control.
dw
Reviewed in the United States on August 6, 2020
Great for talking to TTL level circuits!
Ken Huang
Reviewed in the United States on December 20, 2020
Works great with my Linux PC. Didn't have to install any drivers. Plug and play
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