InLine USB-C to serial adapter cable, USB-C male / DB9 male, 1.8m

The InLine USB-C to Serial Adapter Cable (model 33308L) is a 1.8 m cable with a USB-C male connector on one end and a DB9 (RS-232) male connector on the other. It enables connection of serial devices to modern computers and laptops that have a USB-C port, providing a simple solution for data transfer and communication with legacy equipment.

Advantages

The cable combines USB-C convenience with a standard DB-9 serial interface, eliminating the need for bulky adapters or expansion cards. Its 1.8 m length offers flexible placement between devices, and the black color provides a neutral, professional appearance. The single-pack supply includes one ready-to-use cable.

Suitable for

• Connecting industrial controllers and PLCs to USB-C computers
• Programming and configuring network equipment and routers with serial consoles
• Data transfer from legacy instruments and measurement devices
• Accessing serial consoles on servers, switches and embedded systems

Key specifications

• Model: InLine 33308L
• Length: 1.8 m
• Connector 1: USB-C (male)
• Connector 2: DB-9 / RS-232 (male)
• Colour: Black
• Package: Single cable

How to use

Connect the USB-C male end to a computer or laptop with a USB-C port and plug the DB9 male connector into the serial device’s female DB9 port. If necessary, install any required drivers supplied by the operating system or the device manufacturer. After connection and driver installation, use a terminal program or device-specific software to communicate over the serial link.

Recommendations

Ensure correct pin alignment and secure connections before powering equipment. For longer-term installations, avoid excessive bending near the connectors and keep the cable away from high-interference sources. If communication is unreliable, check driver installation and serial port settings (baud rate, parity, stop bits).