Industrial USB To 4-Ch RS232/485 Converter
USB To 4-Ch RS232 or USB To 2-Ch RS232 + 2-Ch RS485
FT4232HL | Stable Transmission | Multiple Devices Applicable | Multi-OS Compatible

Features At A Glance
- Adopts original FT4232HL chip, fast communicating, stable and reliable, better compatibility
- Supports USB to 2-ch isolated RS232/485 + 2-ch isolated RS232
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital 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, lightningproof & ESD protection
- Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
- Onboard 120R terminal resistor on the RS485 interface, enabled/disabled via jumper
- 9 LEDs for indicating the power and transceiver status
- Industrial grade metal case, supports wall-mount and rail-mount installation, solid and beautiful, easy to install
Specifications
PRODUCT TYPE | Industrial USB to RS232/485 digital isolated converter |
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HOST PORT | USB |
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DEVICE PORT | RS232/485 |
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USB | Operating voltage | 5V |
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Connector | USB-B |
Protection | 200mA self-recovery fuse, isolated output |
ISOLATED RS232 | Connector | Screw terminal |
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Protection | TVS diode, surge protection & ESD protection, power isolation and signal isolation |
Transmission mode | Point-to-point |
Baud rate | 300bps ~ 921600bps |
ISOLATED RS485 | Connector | Screw terminal |
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Direction control | Hardware automatic control |
Protection | TVS diode, surge protection & ESD protection, power isolation and signal isolation |
Resistor | Onboard reserved 120R matching resistor, NC by default, enabled via jumper |
Transmission mode | Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) |
Baud rate | 300bps ~ 921600bps |
INDICATORS | PWR | Red power indicator, light up when there is USB connection and voltage is detected |
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TX1~TX4 | Green TX indicator, light up when the USB port sends data |
RX1~RX4 | Blue RX indicator, light up when the device ports send data back |
OPERATING ENVIRONMENT | Temperature range | -40 ~ 85℃ |
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Humidity range | 5%RH~95%RH |
OPERATING SYSTEM | Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7 |
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Basic Function
Supports USB To 4-Ch Multi-Functional Serial Port, Convenient For Expanding Or Debugging Various Industrial Serial Port Devices; Supports USB To 2-Ch Isolated RS232/485 + 2-Ch Isolated RS232

Original Industrial Grade Chip
Onboard Original FT4232HL Chip,
Fast Communication, Stable & Reliable, Better Compatibility

Safer Isolated Design
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption

Multiple Protection, Safe And Stable
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.

Multi System Support
Supports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, Etc.

Aluminium Alloy Enclosure
Aluminium Alloy Enclosure With Sand Blasting And Anodic Oxidation,
Solid And Durable; Wall-Mount & Rail-Mount Support, More Flexible For Industrial Installation

Pin Definition


Outline Dimensions

To:
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