1. Producte acabatview
The C2G 26886 USB to DB9 Serial Adapter Cable facilitates the connection of devices with a traditional RS-232 serial port to a computer's USB port. This adapter is designed for compatibility with various devices such as cellphones, PDAs, digital cameras, modems, and ISDN terminal adapters.
Les característiques clau inclouen:
- Connectivitat fàcil: Converts DB9 serial devices to USB for PC attachment.
- Transferència de dades d'alta velocitat: Supports serial data transfer rates up to 115.2 K.
- IRQ-Free Operation: Operates without using IRQs, preventing conflicts and allowing multiple serial devices.
- Àmplia compatibilitat: Compatible with USB 1.1, USB 2.0, and USB 3.0 ports.
- Port sèrie virtual: Creates a virtual serial port for device communication.

Image 1.1: The C2G USB to DB9 Serial Adapter Cable, featuring a USB-A connector on one end and a DB9 male serial connector on the other.
2. Instruccions de configuració
Follow these steps to properly install and set up your C2G USB to DB9 Serial Adapter Cable:
- Instal·leu els controladors: Before connecting the adapter cable to your computer, install the necessary drivers from the provided installation CD. If a CD is not available, visit the C2G support weblloc per als darrers controladors. Do not rely on your operating system to automatically find drivers, as this may lead to compatibility issues.
- Connect Adapter to Computer: Plug the USB-A end of the adapter cable into an available USB port on your computer.
- Connectar el dispositiu: Connect your DB9 serial device (e.g., modem, digital camera) to the DB9 male connector on the adapter cable. Secure the connection using the thumbscrews if available on your device.
- Verifica la instal·lació: After connecting, your computer should recognize the adapter and assign a virtual COM port. You can verify this in your operating system's Device Manager under 'Ports (COM & LPT)'. Note the assigned COM port number.

Image 2.1: Diagram illustrating the connection of a computer to a serial device via the C2G USB to DB9 Serial Adapter Cable.
3. Instruccions de funcionament
Once the C2G USB to DB9 Serial Adapter Cable is installed, you can begin using it with your serial devices:
- Configuració del programari: Open the application software for your serial device. In the software's settings, select the COM port number that was assigned to the C2G adapter (as identified in Device Manager during setup).
- Adjust Port Settings: If required by your device, configure the serial port settings (e.g., baud rate, data bits, parity, stop bits, flow control) within your application software to match the specifications of your connected serial device. The adapter supports baud rates from 75 to 128000 bits/sec.
- Iniciar la comunicació: Once configured, initiate communication through your application software. The adapter will facilitate data transfer between your computer and the serial device.
The adapter is designed for high-speed serial data transfer, making it suitable for various applications requiring reliable communication.

Image 3.1: The C2G USB to DB9 Serial Adapter Cable, which is 1.5 feet long and creates a virtual serial port for connected devices.
4. Manteniment
To ensure the longevity and optimal performance of your C2G USB to DB9 Serial Adapter Cable, follow these general maintenance guidelines:
- Emmagatzematge: Guardeu el cable en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Neteja: Feu servir un drap suau i sec per netejar el cable i els connectors. Eviteu utilitzar netejadors líquids o dissolvents.
- Manipulació: Handle the connectors gently when plugging and unplugging to prevent damage to the pins or housing. Avoid bending the cable sharply.
- Inspecció: Inspeccioneu periòdicament el cable per detectar qualsevol signe de desgast, esfilagarsament o danys. Deixeu d'utilitzar-lo si observeu danys.
5. Solució De Problemes
If you encounter issues with your C2G USB to DB9 Serial Adapter Cable, consider the following troubleshooting steps:
- Instal·lació del controlador: Ensure that the correct drivers were installed from the provided CD or the official C2G weblloc abans connecting the adapter. Incorrect or missing drivers are a common cause of issues. Reinstalling drivers may resolve problems.
- COM Port Conflict/Assignment: Check your computer's Device Manager to confirm the adapter is recognized and assigned a COM port. If multiple COM ports are listed or if the assigned port is high (e.g., COM11), you may need to manually reassign it to a lower, unused COM port (e.g., COM1-COM4) within Device Manager for some legacy applications.
- Configuració de l'aplicació: Verify that your serial communication software is configured to use the correct COM port number and matching serial settings (baud rate, data bits, parity, stop bits, flow control) for your connected device.
- Connexió per cable: Ensure all connections are secure. Disconnect and reconnect the USB and DB9 ends of the cable.
- Compatibilitat del dispositiu: Confirm that the device you are connecting is a serial device. This adapter is not intended to connect a parallel printer or device to a USB port.
- Prova un port USB diferent: If issues persist, try plugging the adapter into a different USB port on your computer.
6. Especificacions
Detailed specifications for the C2G 26886 USB to DB9 Serial Adapter Cable:
| Característica | Especificació |
|---|---|
| Número de model | 26886 |
| Tipus de connector | USB, DB9 |
| Dispositius compatibles | Cellphones, PDAs, Digital Cameras, Modems, ISDN Terminal Adapters |
| Longitud de l'element | 1.5 peus |
| Color | Blau |
| Nombre de Ports | 1 |
| Valoració actual | 0.2 Amps |
| Velocitat de transferència de dades | Fins a 115.2 K |
| Compatibilitat USB | USB 1.1, USB 2.0, USB 3.0 |
7. Garantia i Suport
This C2G product comes with a Garantia limitada d'1 any. The warranty covers defects in materials and workmanship under normal use. Please note that the warranty does not cover misuse of the product.
For technical support, warranty claims, or further assistance, please contact C2G customer service through their official weblloc web o la informació de contacte proporcionada amb la compra.





