
Gearmo's Vision
Gearmo strives to be your main source of premiere, top quality computer products for all your growing peripheral needs.


Professional USB to RS485 - RS422 Serial Adapter with FTDI
The US-485422 is a professional grade USB to serial converter with a reliable and high performance FTDI Chip. This RS485 adapter is optimized for Windows operating systems including Windows 11, 10, 8, and 7. With a terminal board connector included, this converter is the cutting edge of serial communication technology and a must have device for terminal applications.
The application of the adapter varies as it is versatile enough to function in commercial, industrial, and general office environments with LED indicators for power, TX and RX signal. Installation of the US-485422 is easy and built around its powerful RS232BL chip from FTDI Semiconductor to eliminate computer freeze and IO issues while in use.
Features:
- Zero delay automatic transmission
- Built-in static and surge protection up to 600W
- 3ft. cable
- Baud rate: 300bps to 1Mbps
- RS232 output power: -5.7 to +5.7VDC
- Indication LED's for Power, TX and RX
- No IRQs, DMA or required. No IRQ Conflicts

OS Support:
- Windows 7, 8, 10, and Windows 11
- Linux
- Mac OS 10.X

Contents:
- USB to Serial Adapter with Activity LED
- Latest FTDI driver (available as download)
- GM-FTDI2-A36 Product Manual (available as download)

About Gearmo
Our Mission
To provide customers with top quality, reliable, computer products for both legacy and new computer technology.
Our Values
We take pride in keeping up with today's ever changing product market. We take pride in knowing that we can supply you with everything you need in USB to Serial adapters and more.
![]() Pro 5ft USB to RS485-RS422 FTDI Chip USB to Serial Adapter | ![]() Mini USB to RS485 / RS422 Converter FTDI CHIP with Screw Terminals | ![]() FTDI Chip USB to RS485/RS422 Industrial Isolated with DB-9/RJ45/Terminal Screw | |
|---|---|---|---|
| Customer Reviews | — | — | — |
| Price | — | — | — no data |
| USB Type | USB-A 2.0 | USB-A 2.0 | USB-A 2.0 |
| Interfaces | DB9, Screw Terminal Header | Screw Terminal Header | DB9, RJ45, Screw Terminal Header |
| Maximum Baud Rate | 921.600bps | 921.600bps | 1Mbps |
| Chipset | FTDI | FTDI | FTDI |
| ESD & Surge Protection | ? | ? | ? |
| OS Support | Windows 7, 8, 10, 11, Linux, and Mac OS 10.X | Windows 7, 8, 10, 11, Linux, and Mac OS 10.X | Windows 7, 8, 10, 11, Linux, and Mac OS 10.X |
| Mounting Style | Cable | Adapter | Surface Mountable |
| Isolation | no data | no data | ? |


Professional USB to RS485 - RS422 Serial Adapter with FTDI
The US-485422 is a professional grade USB to serial converter with a reliable and high performance FTDI Chip. This RS485 adapter is optimized for Windows operating systems including Windows 11, 10, 8, and 7. With a terminal board connector included, this converter is the cutting edge of serial communication technology and a must have device for terminal applications.
The application of the adapter varies as it is versatile enough to function in commercial, industrial, and general office environments with LED indicators for power, TX and RX signal. Installation of the US-485422 is easy and built around its powerful RS232BL chip from FTDI Semiconductor to eliminate computer freeze and IO issues while in use.
Features:
- Zero delay automatic transmission
- Built-in static and surge protection up to 600W
- 3ft. cable
- Baud rate: 300bps to 1Mbps
- RS232 output power: -5.7 to +5.7VDC
- Indication LED's for Power, TX and RX
- No IRQs, DMA or required. No IRQ Conflicts

OS Support:
- Windows 7, 8, 10, and Windows 11
- Linux
- Mac OS 10.X

Contents:
- USB to Serial Adapter with Activity LED
- Latest FTDI driver (available as download)
- GM-FTDI2-A36 Product Manual (available as download)

About Gearmo
Our Mission
To provide customers with top quality, reliable, computer products for both legacy and new computer technology.
Our Values
We take pride in keeping up with today's ever changing product market. We take pride in knowing that we can supply you with everything you need in USB to Serial adapters and more.
![]() Pro 5ft USB to RS485-RS422 FTDI Chip USB to Serial Adapter | ![]() Mini USB to RS485 / RS422 Converter FTDI CHIP with Screw Terminals | ![]() FTDI Chip USB to RS485/RS422 Industrial Isolated with DB-9/RJ45/Terminal Screw | |
|---|---|---|---|
| Customer Reviews | — | — | — |
| Price | — | — | — no data |
| USB Type | USB-A 2.0 | USB-A 2.0 | USB-A 2.0 |
| Interfaces | DB9, Screw Terminal Header | Screw Terminal Header | DB9, RJ45, Screw Terminal Header |
| Maximum Baud Rate | 921.600bps | 921.600bps | 1Mbps |
| Chipset | FTDI | FTDI | FTDI |
| ESD & Surge Protection | ? | ? | ? |
| OS Support | Windows 7, 8, 10, 11, Linux, and Mac OS 10.X | Windows 7, 8, 10, 11, Linux, and Mac OS 10.X | Windows 7, 8, 10, 11, Linux, and Mac OS 10.X |
| Mounting Style | Cable | Adapter | Surface Mountable |
| Isolation | no data | no data | ? |
Gearmo's Vision
Gearmo strives to be your main source of premiere, top quality computer products for all your growing peripheral needs.

































