RS232 D89 Male Port

RS232 D89 Female Port

RS232

Overview

USB TO 4CH RS232 is an industrial USB to RS232 isolated converter, featuring the original FT4232HL. It has onboard protection circuits such as built-in power isolation, ADI magnetical isolation, and TVS diode. With an aluminum alloy case, USB TO 4CH RS232 offers simple operation, zero-delay automatic transmission and reception conversion, and boasts characteristics such as fast, stable, reliable, and safe communication.

Features

Onboard Original FT232RNL chip. Fast communication, 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, needs no extra power supply for the isolated terminal.
Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic.
Onboard resettable fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, and improve shockproof performance.
Onboard power supply screw terminal, allows 5V~36V DC wide-range input
9x LEDs for indicating the power and transceiver status.
ABS case design, small in size, easy to use, portable and cost-effective

Version Options

Parameters

Product Types	Industrial isolated USB to RS232 converter
Host Interface	USB
Device Interface	RS232
Communication Range	300bps ~ 921600bps
USB Interface	Operating Level	5V
	Connector	USB-B
	Protection	200mA self-recovery fuse
	Transmission Distance	About 5m
Power Port	Supply Voltage	5 ~ 36V DC power screw terminal
Power Port	Protection	Anti-reverse
RS232	Connector	DB9 male port / female port
	Protection	TVS diode protection, anti-surge and ESD protection
	Transmission Distance	About 15m
	Transmission Mode	Point to Point
Indicator	PWR	Red power indicator, lights up when the voltage is detected
	TXD	Transmitting indicator, lights up when data is sent from the corresponding port
	RXD	Receiving indicator, data sent back from the corresponding port
Operating Environment	Temperature Range	-40℃ ~ 85℃
Operating Environment	Humidity Range	5% ~ 95%RH
Operating System	Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7

Onboard Interface

Dimensions

Driver Installation

USB Driver Installation

Download the driver file VCP Driver
Double click on CDM212364_Setup.exe and install it.
Click on Extract, and then "NEXT".

Click on I accept this agreement, and then click on "NEXT", and click on "Finish".

After connecting the PC, you can see the usable COM port number in the device manager.

Communication Operation

Preparation

Open the SSCOM software.
Select the corresponding COM port according to the functions, the identifiable 4 COM port number is Port A to Port D in descending order.

USB TO 4CH RS232 - PORT	Communication Mode
PORT A	RS232
PORT B	RS232
PORT C	RS232
PORT D	RS232

You can check which PORT port is the corresponding COM port through the Device Manager.
Right-click to check the PORT corresponding to the COM9 port.

And you can see the corresponding PORT D to the COM9.

RS232 Communication

The following demonstrates communication between RS232 of PORT D and RS232 of PORT C using the product.

Hardware Communication

USB TO 4CH RS232 - PORT C	USB TO 4CH RS232 - PORT D
PORT C - RXD	PORT D - TXD
PORT C - TXD	PORT D - RXD
PORT C - GND	PORT D - GND

Software Operation

Open 2x SSCOM windows.
Respectively select the COM port corresponding to Port C and Port D.

Select the baudrate as 115200, input the characters to be send, select Add time stamp and package, click on Open COM.

Both select the 100ms of the SSCOM, and you can see these two windows normally transmit and receive, and the test effect is shown below:

Resource

Datasheet

FT4232H-Datasheet

Software & Driver

VCP driver ( or you can download it from FTDI website )
Support Linux driver free.
SSCOM

FAQ

Question:Only 1 COM port can be recognized when the device is connected to the computer (if the computer normally recognizes 4 COM ports, please do not do the following).

Answer:

It may be caused by a corrupt registry, and you can address it by performing the following steps:

1. Download the registry-related demo and run it.

2. If there is a pop-up window, please allow the demo to run.
3. Download Configuration Software to select CDMUninstaller.exe and open. (If CDMUninstaller.exe can not successfully run, please use CDMuninstallerGUI.exe.)

4. Configure and execute (please erase the value of "Product ID" -> Click "Add" -> ③ -> Click "Remove Devices" -> OK)

5. If the CDMUninstaller.exe can not successfully run (as the following shows), please use CDMuninstallerGUI.exe.

{{{5}}}

Question:WIN7 driver installation failed?