1. Introduktion
This manual provides instructions for the Digitus USB-C to RS232 Serial Adapter, Model DA-70166. This adapter facilitates data exchange between a computer equipped with a USB Type-C port and peripheral devices utilizing a serial RS232 interface (COM port). It is designed to bridge the gap between modern hardware lacking traditional serial ports and legacy serial devices such as weather stations, sensors, machine controls, modems, and ISDN adapters.

Image 1.1: The Digitus USB-C to RS232 Serial Adapter, Model DA-70166.
2. Pakkens indhold
- USB-C to Serial Adapter
- Product support CD-ROM with drivers
3. Funktioner
- Connects serial devices to a PC via USB Type-C.
- Enables data exchange between a PC with a USB port and serial peripherals (e.g., machine controls, modems, sensors).
- Integrated USB-C connection cable.
- Individual configuration via the FTDI/FT232RL chipset.
- Backward compatibility with USB 1.1.
- Understøtter fjernvågning og strømstyring.
- Adjustable baud rates between 75 bit/s and 128,000 bit/s.
- Power supply directly via the USB port; no separate power supply required.

Image 3.1: Diagram illustrating the RS232 and USB Type-C connectors of the adapter.
4. Opsætning og installation
4.1. Fysisk forbindelse
- Connect the USB Type-C end of the adapter to an available USB Type-C port on your computer (laptop, ultrabook, or MacBook).
- Connect the D-SUB 9 (RS232) end of the adapter to the serial port of your peripheral device. Ensure the screws on the D-SUB 9 connector are tightened to secure the connection.

Image 4.1: The adapter connecting a laptop to a serial device.
4.2. Driver installation
The adapter features an FTDI/FT232RL chipset. For most modern operating systems (Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X, and Linux), drivers are often installed automatically upon connection (Plug & Play). If automatic installation does not occur, or if you encounter issues, please use the included product support CD-ROM to install the necessary drivers. Alternatively, drivers can be downloaded from the official FTDI webwebsted.
5. Betjeningsvejledning
Once the adapter is physically connected and drivers are installed, your computer should recognize the serial port. You can then use appropriate software to communicate with your serial peripheral device. The adapter supports customizable baud rates between 75 bit/s and 128,000 bit/s, allowing flexibility for various devices. It also supports remote wake-up and power management features.

Billede 5.1: Eks.ample of a one-to-one connection between a laptop and a label printer.
6. Kompatibilitet
The Digitus USB-C to RS232 Serial Adapter is compatible with a wide range of operating systems and serial devices:
6.1. Understøttede operativsystemer
- Windows 10, 8.1, 8, 7, Vista, XP
- Mac OS X
- Linux
6.2. Kompatible enheder
The adapter is suitable for connecting various serial peripherals, including but not limited to:
- Vejrstationer
- Sensorer
- Maskinstyring
- Set-top bokse
- Spillekonsoller
- PDAs
- Scannere
- Modemer
- ISDN adapters
- Label writers
- Barcode scanners
- Kasseapparater
- Printere

Image 6.1: The adapter's compatibility with a range of serial devices.
7. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Digitus |
| Modelnummer | DA-70166 |
| Stik 1 | USB 2.0 Type-C male (backwards compatible with USB 1.1) |
| Stik 2 | D-SUB 9 / RS232 plug |
| Data Transfer Rate (adjustable) | 75 bit/s to 128,000 bit/s |
| Chipsæt | FTDI / FT232RL |
| Interface | Fuld duplex |
| Kontaktpersoner | Forgyldt |
| Varens vægt | 3.87 ounce |
| Produktmål (LxBxH) | 0.71 x 0.59 x 2.91 tommer |
| Farve | Sort |
| Strømkilde | AC (via USB port) |
| Voltage | 5 volt |
8. Fejlfinding
- Enhed ikke genkendt: Ensure the adapter is securely connected to both your computer's USB-C port and the serial peripheral. Verify that the necessary drivers are installed. Try connecting to a different USB-C port or restarting your computer.
- Kommunikationsfejl: Check the baud rate and other serial port settings (e.g., data bits, parity, stop bits) in your software to ensure they match the requirements of your peripheral device.
- Intermitterende forbindelse: Ensure the D-SUB 9 connector screws are tightened to prevent accidental disconnection. Avoid excessive bending or pulling on the cable.
- Driverproblemer: If the included CD-ROM drivers do not work, visit the FTDI webwebsted for de nyeste drivere, der er kompatible med dit operativsystem.
9. Relaterede produktvideoer
The following videos demonstrate the general functionality and use of USB to RS232 serial adapters. While they may feature different models or brands, the core principles of connection and operation are similar.
Video 9.1: Demonstration of a USB 2.0 RS-232 Serial Adapter with LED Indicators by Usbgear. This video illustrates general serial adapter features and connectivity.
Video 9.2: Overståetview of a USB to Female Serial Adapter by CableCreation, showing its use with various devices.
Video 9.3: A general demonstration of a USB to RS-232 Serial Cable by Oikwan, highlighting its connection capabilities.
10. Garanti og support
For warranty information and technical support, please refer to the documentation included with your product or visit the official Digitus webwebsted. Gem din købskvittering for garantikrav.





