Waveshare Industrial Isolated USB To 4-Ch RS232 Converter, USB To Serial Adapter, Original FT4232HL Chip, Mac / Linux / Android / Windows Multi-OS Compatible RS232 Female Port

Industrial Isolated USB To 4-Ch RS232 Converter, USB To Serial Adapter, Original FT4232HL Chip, Mac / Linux / Android / Windows Multi-OS Compatible, Wall-Mount Support

Features:

1. Adopts original FT4232HL chip, fast communicating, stable and reliable, better compatibility
2. Supports USB to 4-ch isolated RS232, convenient for expanding multiple RS232 industrial serial devices
3. Onboard unibody power supply isolation, provides stable isolated voltage
4. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
5. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection
6. Onboard self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, improve shock proof performance
7. Onboard power supply screw terminal, allows 5V~36V DC wide range input
8. 9 LEDs for indicating the power and transceiver status
9. Aluminum alloy enclosure with sand blasting and anodic oxidation, solid and durable

Specifications:

1. Product Type: Industrial USB to RS232 isolated converter
2. Host port: USB
3. Device port: RS232
4. Baud rate: 300bps ~ 921600bps
5. Temperature range: -40℃ ~ 85℃
6. Humidity range: 5%RH~95%RH

USB:

1. Operating voltage: 5V
2. Connector: USB-B
3. Protection: 200mA self-recovery fuse, isolated output
4. Transmission distance: about 5m

POWER SUPPLY INTERFACE:

1. Power supply: 5~36V DC screw terminal
2. Protection: Anti-reverse

ISOLATED RS232:

1. Connector: DB9 male/female
2. Protection: TVS diode, surge protection & ESD protection, power isolation and signal isolation
3. Transmission mode: Point-to-point
4. Transmission distance: about 15m

INDICATORS:

1. PWR: Red power indicator, lights up when there is USB connection and voltage is detected
2. TXD1~4: Green TX indicator, blinking when the RS232 port is sending data
3. RXD1~4: Blue RX indicator, blinking when the RS232 port is receiving data

OPERATING SYSTEM:

MacOS, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7

Useful link:

https://www.waveshare.com/wiki/USB_TO_4CH_RS232

Package Includes:

1 x OPTIONS USB TO 4CH RS232

1 x USB type-A to type-B cable ~1.2m

1 x Power adapter

Waveshare Industrial Isolated USB To 4-Ch RS232 Converter, Overview

The Waveshare Industrial Isolated USB To 4-Ch RS232 Converter is a compact adapter that converts a single USB port into four fully isolated RS232 serial ports. Featuring the original FT4232HL chip, it delivers reliable, high-speed communication across multiple operating systems including Windows, Mac, Linux and Android.

Key Features of Waveshare Industrial Isolated USB To 4-Ch RS232 Converter,

• Original FT4232HL chipset for fast, stable USB-to-serial communication
• Four independent isolated RS232 female ports, baud rate from 300 bps to 921600 bps
• Onboard unibody power and digital isolation for high reliability and anti-interference
• Built-in TVS transient voltage suppressor and self-recovery fuse for surge and ESD protection
• Wide operating temperature range (-40 °C to 85 °C) and wall-mount support
• Genuine product with fast shipping from Zbotic—in stock and ready to dispatch

Applications and Use Cases

• Connecting industrial PLCs and HMIs for process automation data exchange
• Integrating CNC machines or lab instruments requiring multiple RS232 interfaces
• Data acquisition from environmental sensors in electrically noisy environments
• Remote monitoring of serial devices in SCADA and telemetry systems
• Interfacing legacy medical equipment or point-of-sale terminals with modern PCs

How to Use Waveshare Industrial Isolated USB To 4-Ch RS232 Converter,

Simply mount the converter using the integrated wall-mount brackets, plug the USB into your host computer and install the FT4232HL driver as prompted. Connect up to four RS232 devices via the female ports, and the built-in isolation and surge protection will safeguard both your PC and peripheral devices.

Why Buy from Zbotic?

• Genuine Products: All items sourced from authorized distributors
• Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
• Free Shipping: Free delivery on qualifying orders
• COD Available: Cash on Delivery, UPI, cards, net banking
• Technical Support: Expert help for setup and troubleshooting
• Easy Returns: Hassle-free replacement for defective products

Frequently Asked Questions

How many serial channels does this converter provide and what baud rates are supported?

The adapter offers four isolated RS232 channels, each supporting baud rates from 300 bps up to 921600 bps, making it suitable for both low-speed and high-speed serial communications.

Is an external power supply required for isolation?

No external power is needed. The unit is USB bus-powered and uses onboard unibody power isolation to deliver stable isolated voltage to each RS232 port.

Which operating systems are compatible with the FT4232HL driver?

This converter is compatible with Windows (7, 8, 10 and above), macOS, Linux distributions and Android platforms that support USB host mode. Simply install the provided FT4232HL driver for seamless operation.