STARTECH
STARTECH ICUSB232PROC USB C to Serial Converter 921.6 Kbps
Adds a serial port via USB-C with COM port retention and 921.6 Kbps speed
- ColorBlack
- Cable LengthNo
- Changer TypeUSB to DB9 (RS-232)
- SpecificationsHumidity: 5~85% RH Operating Temperature: -10 to 80 degree C
- Connector A1x USB Type-C male
- Connector B1x DB-9 male
- Add a serial port to USB-C devices with COM port retention
- High-speed 921.6 Kbps baud rate for fast data transfer
- Works with Windows, macOS and Linux operating systems
- Supports remote wake-up and power management control
- Durable design rated for 30000 hours MTBF
USB-C to DB9 serial adapter
This USB-C to DB9 serial adapter adds a standard RS-232 port to computers that lack one, reaching a maximum baud rate of 921.6 Kbps. It is intended for engineers, technicians and hobbyists who need to configure or monitor industrial equipment, networking gear or legacy peripherals through a modern USB-C connection.
Driver installation and COM retention
The adapter uses a standard USB CDC or vendor driver on Windows, macOS and Linux; installation is typically a single executable or kernel module load. COM port retention keeps the same port number after reboots or unplugging, preventing the common issue where software loses the assigned port and requires manual reassignment.
Verify host port and cable orientation
Confirm the host system provides a USB-C port capable of data transfer, not charging only, and that the operating system version is listed as supported. The DB9 male connector is wired straight-through, so a null-modem cable or gender changer may be required depending on the target device pinout.
Highlights
- Add a serial port to USB-C devices with COM port retention
- High-speed 921.6 Kbps baud rate for fast data transfer
- Works with Windows, macOS and Linux operating systems
- Supports remote wake-up and power management control
- Durable design rated for 30000 hours MTBF
Specifications
| Brand | StarTech.com |
|---|---|
| Model | ICUSB232PROC |
| Color | Black |
| Cable Length | No |
| Changer Type | USB to DB9 (RS-232) |
| Specifications | Humidity: 5~85% RH Operating Temperature: -10 to 80 degree C Storage Temperature: -20 to 100 degree C FIFO: 512 Bytes Flow Control: None, Xon/Xoff, RTS/CTS, DTR/DSR Max Baud Rate:921.6 Kbps MTBF:30,000 Hours OS Compatibility: Windows 7, 8.1, 10 Windows Server 2008 R2, 2012 R2, 2016 Mac OS X 10.11 and 10.12 Linux 2.6.x to 4.4.x LTS Versions only |
| Connector A | 1x USB Type-C male |
| Connector B | 1x DB-9 male |
| Dimensions | 15.70" x 1.40" x 0.80" (L x W x H) |
| Package Contents | 1 x Serial Adapter Cable 1 x Quick-Start Guide |
| Shipping weight | 0.01 kg |
| Package size | 220 × 200 × 25 mm |
Questions about this item
How can I verify the ICUSB232PROC is communicating correctly after I plug it in?
Open Device Manager on Windows or run `ls /dev/ttyUSB*` on Linux; the adapter should appear as a new COM or ttyUSB port and the assigned number will persist after reboot thanks to COM port retention.
What ships with the ICUSB232PROC and what must I source separately?
The box contains the USB-C to DB9 serial adapter cable and a quick-start guide; no separate driver media is included because drivers are delivered through Windows Update, macOS built-in support, and the Linux kernel.
Which ICUSB232PROC variant should I choose for a device that needs 921.6 Kbps throughput?
This single model operates at up to 921.6 Kbps with 512-byte FIFO and supports None, Xon/Xoff, RTS/CTS and DTR/DSR flow control, so it covers the stated speed requirement without a higher-capacity option.
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