USB to RS232/485 serial converter
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USB to RS232/485 serial converter
The USB TO RS232/485 is a reliable serial port converter that uses the original FT232RNL chip to provide a fast, stable and compatible connection to many devices.The module has a built-in self-recovery fuse and a TVS protection circuit, effectively suppressing surge and peak voltages in the circuit to protect against lightning and electrostatic discharge. The compact ABS housing and simple configuration via switches make the unit portable and easy to use.
Ideal for use in industrial RS232 and RS485 serial communication systems. The converter supports automatic transmission and reception direction switching without delay, making it ideal for a variety of industrial applications. Equipped with LEDs to indicate power and data transfer status, as well as a protective circuit to ensure safe and reliable communication. Compatibility with multiple operating systems such as Mac, Linux, Android and Windows further enhances its versatility.
Specifications:
- Host interface: USB
- Device interface: RS232/485
- USB operating voltage: 5V
- Connector: USB-A male
- Protection: Self-recovery fuse 200mA
- USB transmission distance: Approx. 5m
- RS232 interface: Screw connector
- RS232 transmission distance: approx. 15m
- RS232 transmission mode: Point to point
- RS232 baud rate: 300bps ~ 921600bps
- RS485 interface: Screw connector
- RS485 direction control: Automatic hardware control
- RS485 protection: TVS diodes, overvoltage and ESD protection, built-in 120R resistor
- RS485 transmission distance: Approx. 1.2km (at low speed)
- RS485 transmission mode: Point-to-multipoint (up to 32 nodes, relays for more than 16 nodes recommended)
- RS485 transmission speed: 300bps ~ 921600bps
- LEDs:
- PWR: Red power LED, illuminates when voltage is detected from USB
- TXD: Green transmit LED, lights up when sending data from USB
- RXD: Blue receive LED, illuminates when receiving data from the device interface
- Operating environment:
- Temperature: -15℃ ~ 70℃
- Humidity: 5% ~ 95% RH
Product features:
- Genuine FT232RNL chip for fast, stable and reliable communication.
- TVS protection against overvoltage and peak voltage
- Self-recovery fuse and protection diodes for stable current-voltage outputs
- RS232/485 communication switch
- Built-in 120R resistor on RS485 interface, switched on/off via switch
- 3 LEDs indicating power and data transmission status
- Compact, portable ABS housing
- Support for multiple operating systems: Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7
USB to RS232/485 serial converter:
Original FT232RNL on board:
Module design:
- 120 Ω resistor switch enable or disable RS485 terminal 120Ω resistor
- RS232/485 switch to switch RS232 to RS485 communication
- RX_ B: RS232 data reception / RS485 negative differential signal B-
- TX_ A: RS232 data transmission / RS485 positive differential signal A+
- RS232/485 signal ground
Dimensions:
Kit includes:
- USB NA RS232/485 x1
- USB-A male to female x1
- Screwdriver x1
Wiki: USB_TO_RS232/485
