1. Introduction
The ADVANTECH ADAM-4561-CE is a 1-port isolated USB to RS-232/422/485 converter designed to facilitate the connection of serial devices to a computer system via a USB interface. This device eliminates the need to open the PC chassis or power down the system for installation, providing instant high-speed serial ports. Power is supplied directly from the USB port, removing the requirement for external power adapters. This makes the ADAM-4561-CE suitable for various applications including modems, printers, Point-of-Sale (POS) systems, and industrial control devices.
Figure 1: ADVANTECH ADAM-4561-CE Converter. This image displays the front view of the light blue converter unit, highlighting the USB port at the top, the "ADAM-4561" model name, and the terminal block at the bottom with clearly labeled RS-485, RS-422, and RS-232 connections.
2. Key Features
- Full compliance with USB V1.1 specifications.
- Supports RS-232, RS-422, and RS-485 serial communication standards.
- Achieves transmission speeds up to 115.2 kbps.
- Provides 3000 VDC isolation protection for enhanced reliability and safety.
- Features automatic RS-485 data flow control.
3. Setup Instructions
3.1 Package Contents Verification
Before proceeding with installation, please verify that all components are present in the package:
- ADAM-4561-CE Converter Unit
- USB Cable (Type A to Type B)
- Driver CD or link to driver download
- Quick Start Guide (this manual)
3.2 Driver Installation
- Insert the provided driver CD into your computer's CD-ROM drive, or download the latest drivers from the official ADVANTECH website.
- Locate and run the driver setup executable (e.g., "setup.exe").
- Follow the on-screen instructions to complete the driver installation. It is recommended to restart your computer after installation if prompted.
3.3 Hardware Connection
- Connect the USB cable to the USB port on the ADAM-4561-CE converter and to an available USB port on your computer. The converter will draw power directly from the USB port.
- Identify the appropriate serial communication standard (RS-232, RS-422, or RS-485) required by your peripheral device.
- Connect your serial device to the corresponding terminals on the ADAM-4561-CE's terminal block. Refer to the pinout diagram in Section 4.1 for correct wiring.
4. Operating Instructions
4.1 Terminal Block Pinout
The terminal block provides connections for RS-232, RS-422, and RS-485. Ensure correct wiring based on your application.
| Pin No. | Label | Description |
|---|---|---|
| 1 | TX+(DATA+) | RS-485 Data Positive / RS-422 Transmit Positive |
| 2 | TX-(DATA-) | RS-485 Data Negative / RS-422 Transmit Negative |
| 3 | RX+ | RS-422 Receive Positive |
| 4 | RX- | RS-422 Receive Negative |
| 5 | RX | RS-232 Receive Data |
| 6 | TX | RS-232 Transmit Data |
| 7 | GND | Signal Ground |
| 8 | (B)GND | Isolated Ground (for RS-485/422 bias) |
4.2 Communication Software Configuration
After connecting the hardware, configure your serial communication software (e.g., HyperTerminal, PuTTY, or custom application) with the correct COM port number assigned to the ADAM-4561-CE by your operating system. You can find the assigned COM port in your computer's Device Manager under "Ports (COM & LPT)".
Ensure that the baud rate, data bits, parity, and stop bits settings in your software match those of your connected serial device.
5. Maintenance
The ADVANTECH ADAM-4561-CE is designed for reliable operation with minimal maintenance. Follow these guidelines to ensure optimal performance:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using liquid cleaners or solvents, as they may damage the casing or internal components.
- Environment: Operate the converter within its specified environmental conditions (temperature, humidity) to prevent damage.
- Cable Integrity: Periodically inspect USB and serial cables for any signs of wear, damage, or loose connections. Replace damaged cables immediately.
- Driver Updates: Check the ADVANTECH website periodically for updated drivers or firmware that may improve performance or address compatibility issues.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not recognized by computer. | Drivers not installed or corrupted. USB cable faulty. USB port issue. | Reinstall drivers. Try a different USB cable. Connect to a different USB port on the computer. Check Device Manager for errors. |
| No communication with serial device. | Incorrect COM port selected. Mismatched serial settings (baud rate, etc.). Incorrect wiring. Faulty serial device. | Verify COM port in Device Manager. Ensure serial settings in software match the device. Double-check wiring according to Section 4.1. Test with a known working serial device. |
| Intermittent communication. | Loose connections. Electromagnetic interference. Driver issues. | Secure all cable connections. Ensure the device is away from strong electromagnetic sources. Update or reinstall drivers. |
7. Specifications
- Model: ADAM-4561-CE
- USB Compliance: USB V1.1
- Serial Ports: 1-port, configurable for RS-232, RS-422, or RS-485
- Transmission Speed: Up to 115.2 kbps
- Isolation Protection: 3000 VDC
- RS-485 Control: Automatic data flow control
- Power Source: USB bus powered
- Compatible Devices: PC, Printer, POS systems, Industrial control devices
- Dimensions (Approximate): 9.37 x 6.54 x 2.2 inches (Package Dimensions)
- Weight (Approximate): 0.01 Ounces (Item Weight)
- Manufacturer: Advantech
8. Technical Support and Warranty
8.1 Technical Support
For technical assistance, driver downloads, or further product information, please visit the official ADVANTECH website or contact their customer support department. Refer to the product packaging or ADVANTECH's official website for the most current contact details.
8.2 Warranty Information
ADVANTECH products are typically covered by a limited warranty. Details regarding the warranty period and terms can be found on the ADVANTECH official website or in the warranty card included with your product. Please retain your proof of purchase for warranty claims.
