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Green development board with USB port and multiple terminal blocks

LORDWORLD

LORDWORLD FT4232HL 4-Channel USB Serial Converter Development Board

SKU CH-EH2N-THBY4

Four-channel USB-to-serial board with an FT4232HL chip provides isolated RS232, RS485, RS422 and TTL ports plus TVS surge protection for industrial debugging

  • Original FT4232HL chip ensures fast, stable and reliable serial communication
  • Four independent channels expand or debug multiple industrial serial devices at once
  • Mixed TTL, RS485, RS422 and RS232 interfaces cover diverse legacy and modern equipment
  • Onboard power-supply isolation delivers clean voltage to isolated ports without an extra adapter
  • Built-in TVS protection suppresses surges and spikes for lightning-proof and ESD-safe operation

Four-Channel Industrial USB Converter

The LORDWORLD FT4232HL board gives engineers and makers four independent serial channels from a single USB port. It uses the original FT4232HL chip to provide one TTL channel, one TTL or RS485 channel, one isolated RS485/422 channel and one isolated RS232/485 channel. This makes it suited for expanding or debugging industrial equipment that still relies on legacy serial links.

Replaces Multi-Board Serial Setups

Instead of stacking several single-port adapters, this module consolidates every common industrial interface onto one PCB. The jump is worth it when a test bench or embedded gateway must talk to TTL, RS232, RS422 and RS485 devices simultaneously without hunting for spare USB sockets or external power bricks.

Sustained Operation With Onboard Protection

Onboard power-supply isolation delivers clean voltage to the isolated terminals without an extra supply, while a TVS array clamps surge and transient spikes during long runs. The isolation and suppression stay effective across extended sessions, so the converter remains stable when connected to noisy industrial networks for hours at a time.

Highlights

  • Original FT4232HL chip ensures fast, stable and reliable serial communication
  • Four independent channels expand or debug multiple industrial serial devices at once
  • Mixed TTL, RS485, RS422 and RS232 interfaces cover diverse legacy and modern equipment
  • Onboard power-supply isolation delivers clean voltage to isolated ports without an extra adapter
  • Built-in TVS protection suppresses surges and spikes for lightning-proof and ESD-safe operation

Specifications

BrandLORDWORLD

Questions about this item

What connectors does the board use for its four serial channels?

It provides one TTL header, one TTL/RS485 header, one isolated RS485/422 terminal block, and one isolated RS232/485 terminal block.

How do I install the driver on Windows 11, and what step do people miss?

Download the FTDI VCP driver, run the installer, then plug the board into a USB port; the step often missed is letting Windows finish the automatic device binding before opening a terminal.

Which onboard protection component may need replacement after a heavy surge event?

The onboard TVS (Transient Voltage Suppressor) absorbs surge spikes and should be inspected or replaced if it has clamped a large transient.

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