Waveshare USB TO RS232 / RS485 / TTL

22,52 € *

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  • Waveshare
  • EXP-R63-262
  • 15817
  • CN
  • 85340090
  • 0.192
This is an industrial USB to RS232/485/TTL isolated converter with original FT232RL inside. It... mehr
This is an industrial USB to RS232/485/TTL isolated converter with original FT232RL inside.
It features embedded protection circuits such as power isolation, ADI magnetical isolation, and TVS diode, etc. What's more, the USB TO RS232/485/TTL comes with an aluminium alloy enclosure, make it solid and durable to work.
The USB TO RS232/485/TTL is very easy to use, fully automatic transceiving without delay. 
Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.


  • Adopt original FT232RL, fast communicating, stable and reliable, better compatibility
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic
  • Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance
  • Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other
  • Onboard TTL serial 3.3V/5V voltage translator, config the TTL level via switch
  • Aluminium alloy enclosure with sand blasting and anodic oxidation, CNC process opening, solid and durable
  • 3 LEDs for indicating the power and transceiver status
  • High quality USB-B and RS232 connectors, smoothly plug/pull

  • Product type: industrial optically isolated converter
  • Baudrate: 300-921600bps
  • Host port: USB
  • Device port:  RS485/RS232/TTL
  • USB: Operating voltage: 5V; Connector: USB-B; Protection: 200mA self-recovery fuse, isolated output; Transmission distance: ~5m
  • RS485: Connector: screw terminal; Pins: A+, B-, GND; Direction control: hardware automatic control; Protection: 600W lightning-proof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads); Transmission distance: ~1200m; Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
  • RS232: Connector: DR9 male; Protection: TVS diode, surge protection, ESD protection; Transmission distance: ~15m; Transmission mode: point-to-point
  • TTL (UART): Operating voltage: 3.3V/5V; Connector: screw terminal; Pins: TXD, RXD, GND; Protection: clamp protection diode, over-voltage/negative-voltage proof, shock resistance; Transmission mode: point-to-point
  • LED indicators: PWR: red power indicator, light up when there is USB connection and voltage is detected; TXD: green TX indicator, light up when the USB port sends data; RXD: blue RX indicator, light up when the device ports send data back
  • Operating environment: Temperature: -15? ~ 70?; Humidity: 5%RH ~ 95%RH
  • Operating system: Windows 10 / 8.1 / 8 / 7 / XP


  • 1x USB to RS232/485/TTL
  • 1x USB cable
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