Struggling to keep legacy equipment running on a modern laptop? The USB serial cable lets you link a USB-C device straight to RS232 gear, so you can keep point-of-sale terminals, industrial controllers or old modems online without costly adapters. It preserves your COM port numbers, so reconnecting is seamless and your workflow stays uninterrupted.
Key Features of a 0.4 m USB serial cable
- Cable length: 0.4 m. Provides a tidy reach for desk-side setups.
- Right connector gender: Male. Fits directly into a USB-C port.
- Left connector type: 9 pin D-Sub (DB-9) - male. Connects to standard serial devices.
- COM port retention: Non-volatile memory. Saves your COM settings for automatic reuse.
- Chipset: Prolific PL2303RA. Ensures reliable data conversion and driver support.
- USB standard: USB 2.0. Delivers fast, stable communication.
- OS compatibility: Windows®, macOS, Linux®. Works across mixed environments.
- Remote wake-up & power management: Supported. Helps conserve energy and maintain device readiness.
- Warranty: 2-year warranty with free lifetime technical support. Gives peace of mind.
StarTech.com USB serial cable
If you rely on older serial hardware but have upgraded to a USB-C laptop, finding a simple, trustworthy bridge can be frustrating. Many adapters lose COM numbers or need extra drivers, slowing you down. This cable fits neatly into your workflow, keeping your serial devices recognised instantly and letting you focus on the task rather than the connection.
Benefits of StarTech.com USB serial cable
- Consistent COM ports: No re-configuration after each reconnection.
- Cross-platform support: Works with Windows, macOS and Linux straight away.
- Compact and lightweight: Weighs only 0.35 oz, easy to store or carry.
- Energy-smart: Remote wake-up and power management reduce power draw.
Usages of a 0.4 m USB serial cable
Ideal for connecting point-of-sale terminals, serial modems, industrial control panels or any RS232 device to a modern USB-C computer, whether in a retail shop, factory floor or home office.
Specifications
| Cable |
| Cable / Right Connector Gender | Male |
| Cable / Cable Subcategory | USB |
| Cable / I/O Cable Type | USB / serial cable |
| Cable / Right Connector Type | 24 pin USB-C |
| Cable / Left Connector Gender | Male |
| Cable / Left Connector Type | 9 pin D-Sub (DB-9) |
| Cable / Compliant Standards | USB / USB 2.0 |
| Miscellaneous |
| Miscellaneous / Color Category | Black |
| Miscellaneous / Compliant Standards | USB / USB 2.0, FCC, RoHS, WEEE, RCM |
| Header |
| Header / Product Line | StarTech |
| Header / Packaged Quantity | 1 |
| Dimensions & Weight |
| Dimensions & Weight / Cable Length | 40cm |
| Service & Support |
| Service & Support / Type | 2-year warranty |
| General |
| General / Weight | 0.35 oz |
| General / Type | USB / serial cable |
| General / Cable Length | 40 cm |
| General / Features | Chipset Prolific PL2303RA |
| Connectivity |
| Connectivity / Connector | 9 pin D-Sub (DB-9) - male |
| Connectivity / Connector (Second End) | 24 pin USB-C - male |
| Dimensions & Weight (Shipping) |
| Dimensions & Weight (Shipping) / Service & Support | 2-year warranty |
| Summary Details |
| Product colour | Black |
| Cable length | 0.4 m |
| Connector 1 | USB C |
| Quantity per pack | 1 pc(s) |
| Package width | 220 mm |
| Package depth | 200 mm |
| Compliance certificates | RoHS |
| Certification | CE |
| Weight | 36 g |
| Master (outer) case width | 360 mm |
| Master (outer) case length | 400 mm |
| Master (outer) case height | 255 mm |
