Details
USB To 4-ch RS232
FT4232HL | Stable transmission | Multiple devices applicable | Multi-OS compatible

- Adopts original FT4232HL chip, fast communicating, stable and reliable, better compatibility
- Supports USB to 4-ch isolated RS232, convenient for expanding multiple RS232 industrial serial devices
- Onboard unibody power supply isolation, provides stable isolated voltage
- 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, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, improve shock proof performance
- Onboard power supply screw terminal, allows 5V~36V DC wide range input
- 9 LEDs for indicating the power and transceiver status
- Aluminum alloy enclosure with sand blasting and anodic oxidation, solid and durable

USB TO 4CH RS232
to 4-ch RS232 male port

USB TO 4CH RS232 (F)
to 4-ch RS232 female port
| PRODUCT TYPE | Industrial USB to RS232 isolated converter | |
|---|---|---|
| Host port | USB | |
| Device port | RS232 | |
| Baud rate | 300bps ~ 921600bps | |
| USB | Operating voltage | 5V |
| Connector | USB-B | |
| Protection | 200mA self-recovery fuse, isolated output | |
| Transmission distance | about 5m | |
| POWER SUPPLY INTERFACE | Power supply | 5~36V DC screw terminal |
| Protection | Anti-reverse | |
| isolated RS232 | Connector | DB9 male/female |
| Protection | TVS diode, surge protection & ESD protection, power isolation and signal isolation | |
| Transmission mode | Point-to-point | |
| Transmission distance | about 15m | |
| Indicators | PWR | Red power indicator, lights up when there is USB connection and voltage is detected |
| TXD1~4 | Green TX indicator, blinking when the RS232 port is sending data | |
| RXD1~4 | Blue RX indicator, blinking when the RS232 port is receiving data | |
| operating environment | Temperature range | -40℃ ~ 85℃ |
| Humidity range | 5%RH~95%RH | |
| Operating system | MacOS, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7 | |
Onboard original FT4232HL chip,
Fast communication, stable & reliable, better compatibility

- Onboard unibody power supply isolation, provides stable isolated voltage
- 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, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, improve shock proof performance.

Supports MacOS, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, etc.

Aluminum alloy enclosure with sand blasting and anodic oxidation, Solid and durable



| Model | Description | serial port converter |
|---|---|---|
![]() USB TO RS232/485/TTL | USB to single-channel serial port; Adopts FT232RL solution; Industrial grade, with isolation; Wall-mount and desktop support | Single serial port converter:
|
![]() USB TO RS232/485/TTL (B) | USB to single-channel serial port; Adopts CH343G solution; Industrial grade, with isolation; Wall-mount and desktop support | Single serial port converter:
|
![]() USB TO RS232/485/422/TTL | USB to single-channel serial port; Adopts FT232RNL solution; Industrial grade, with isolation; Wall-mount and rail-mount support | Single serial port converter:
|
![]() USB TO UART/I2C/SPI/JTAG | USB to 2-ch serial port; Adopts CH347T solution; Industrial grade, without isolation; Wall-mount and desktop support | Multi-functional serial port converter:
|
![]() USB TO 4CH TTL | USB to 4-ch serial port; Adopts CH344 solution; Industrial grade, without isolation; Wall-mount and desktop support | 4-ch serial port converter:
|
![]() USB TO 4CH RS485 | USB to 4-ch serial port; Adopts CH344 solution; Industrial grade, without isolation; Wall-mount and desktop support | 4-ch serial port converter:
|
![]() USB TO 4CH RS485 (B) | USB to 4-ch serial port; Adopts CH344 solution; Industrial grade, with isolation; Wall-mount and desktop support | 4-ch serial port converter:
|
![]() USB TO 4CH RS232/485 | USB to 4-ch serial port; Adopts FT4232HL solution; Industrial grade, with isolation; Wall-mount and rail-mount support | 4-ch serial port converter:
|
![]() USB TO 4CH RS232 | USB to 4-ch serial port; Adopts FT4232HL solution; Industrial grade, with isolation; Wall-mount and desktop support | 4-ch serial port converter:
|
![]() USB TO 4CH RS485/422 | USB to 4-ch serial port; Adopts FT4232HL solution; Industrial grade, with isolation; Wall-mount and rail-mount support | 4-ch serial port converter:
|
![]() USB TO 4CH Serial Converter | USB to 4-ch serial port; Adopts FT4232HL solution; Industrial grade, with isolation; Wall-mount and desktop support | 4-ch serial port converter:
|
![]() USB TO 8CH RS485 | USB to 8-ch serial port; Industrial grade, with isolation; Wall-mount and rail-mount support | 8-ch serial port converter:
|
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Reviews
Q How to make a payment?
E****R 18/11/2024
A We accept various payment methods including bank transfers, credit cards, and PayPal. Please refer to our payment page during checkout for detailed instructions on how to complete your payment. If you have any questions or need assistance with payment, please contact our customer support team.
18/11/2024
Q How will the products be shipped?
T****k 16/08/2024
A We ship products through reliable courier services such as DHL, UPS, and FedEx. Shipping fees and delivery times may vary depending on the destination. You will receive a tracking number once your order has been dispatched, allowing you to track the status of your shipment. Please note that shipping times may vary based on location and availability.
16/08/2024
Q How is warranty provided?
L****Y 08/05/2024
A We offer a warranty on all of our products. The warranty period and conditions vary depending on the product category. For specific warranty information, please refer to the product page or your purchase agreement. If you encounter any issues with a product during the warranty period, please contact our customer service team with your proof of purchase, and we will guide you through the warranty claim process.
08/05/2024


























