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Gearmo® Mini USB to RS485 / RS422 Converter FTDI CHIP with Screw Terminals

Gearmo® Mini USB to RS485 / RS422 Converter FTDI CHIP with Screw Terminals

Q: There is usually a 120 ohm resistor in RS-485 connections. Does this adapter incorporate that 120 ohms internally or do I still need the resistor?

Termination is only required when both length of line and baud rate affect propagation delay. I've used this adapter without a problem with a few different components with lengths way under 1000ft and never needed a termination resistor. You may have to double check line length and baud rate to verify propagation delay in nanosec to confirm whether you'll need a terminator. I hope this helps.

Q: is that really a Mini USB? it looks like a Male B USB connector.

It is a Full Size Male USB Connector, not Mini USB. It works really good... and I find it surprising it says Mini; I don't remember it saying that back when I bought it. I hope this helps.

Q: Is there any visual indicators that it is "working"? i.e. transmit, receive, power, etc. LEDs?

In the instruction sheet that is shown it says:"Power indicator light and data traffic indicator light are also available with the converter for malfunction indication"There are PWR, RXD and TXD labeled LEDs on the module just above the terminal block.

Q: Is this unit plug and play with Windows 10?

Yes, it fully supports Windows 10.

4.6/5

Product ID: 74013707

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Details

Compatible devices
Laptops Mouse
Specific uses for product
personal
Connector type
USB Type A
Colour
Black
Item dimensions L x W x H
6.4 x 3.7 x

⚡2500 Vrms surge protection

📶Baud rate up to 921.6Kbps

🔗Supports up to 32 network nodes

Frequently Bought Together

Gearmo USB to RS-422/485 Converter FTDI CHIP w/Terminals

USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above

DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet

Description

🔌 Convert like a pro—connect smarter, faster, and safer!

COMPACT POWERHOUSE - USB-powered, no external adapter needed, in a sleek 63x34x13mm form factor—perfect for minimalist workspaces.
PLUG PLAY SIMPLICITY - Instant virtual COM port creation with included drivers—compatible across Windows, Mac, and Linux.
ROCK SOLID SURGE DEFENSE - Safeguard your gear with 2500 Vrms/600W electrical protection—no more fried circuits.
BLAZING FAST DATA TRANSFER - Experience ultra-responsive communication with auto-tuned baud rates up to 921.6Kbps.
SEAMLESS MULTI DEVICE NETWORKING - Connect up to 32 RS485/RS422 nodes effortlessly for scalable industrial or smart office setups.

The Gearmo® Mini USB to RS485/RS422 Converter leverages the reliable FTDI FT232RL chip to provide bi-directional, high-speed serial communication with robust surge protection. Supporting up to 32 network nodes and baud rates up to 921.6Kbps, it offers plug-and-play compatibility across major OS platforms. Its compact, USB-powered design with screw terminal connections makes it an essential tool for professionals needing seamless integration of legacy serial devices into modern USB environments.

Have a Question? See What Others Asked

There is usually a 120 ohm resistor in RS-485 connections. Does this adapter incorporate that 120 ohms internally or do I still need the resistor?

is that really a Mini USB? it looks like a Male B USB connector.

Is there any visual indicators that it is "working"? i.e. transmit, receive, power, etc. LEDs?

Is this unit plug and play with Windows 10?

Common Questions

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

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Fantastic experience overall. Will recommend to friends and family.

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