| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |


| PRODUCT TYPE | Industrial Grade USB to RS485 converter | |
|---|---|---|
| HOST PORT | USB | |
| DEVICE PORT | RS485 | |
| BAUDRATE | 300bps ~ 3Mbps | |
| USB | Operating voltage | 5V |
| Connector | USB-A | |
| Protection | 200mA self-recovery fuse, ESD protection | |
| Transmission distance | About 5m | |
| RS485 | Connector | Screw terminal |
| Pins | A+, B-, GND | |
| Direction control | Hardware automatic control | |
| Protection | 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor) | |
| Transmission distance | About 1.2km(low rate) | |
| Transmission mode | Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) | |
| LED INDICATORS | PWR | Red power indicator, light up when there is USB connection and voltage is detected |
| TXD | Red TX indicator, light up when the USB port sends data | |
| RXD | Red RX indicator, light up when the device ports send data back | |
| OPERATING ENVIRONMENT | Temperature | -15 ~ 70 |
| Humidity | 5%RH ~ 95%RH | |
| OPERATING SYSTEM | Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 | |
Onboard Original CH343G And SP485EEN Chips, Providing Better Stability And Compatibility, Built-In Lightningproof Tube, Resettable Fuse, ESD And TVS Protection Circuits, Etc.

The USB Signal Can Be Converted Into A Balanced Differential RS485 Signal And The Transmission Rate Is Stable. The Reliable Speed Is 300bps ~ 3Mbps, The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB.

Supports Mac, Linux, Android, WinCE, Win11/10/8.1/8/7/XP, Etc.

Onboard 3 LEDs For Indicating The Power And Transceiver Status

