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Tripp Lite Model U209-005-DB25 USB-to-Serial Cable Adapter (USB-A to DB25 M/M)
- 3 Connector Number
- Black
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Overview
Specs
Reviews
USB to Serial Adapter Cable (USB-A to DB25 M/M), 5-ft.
Warranty & Returns
Warranty, Returns, And Additional Information
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
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- Support Phone: 773-869-1234
- Support Website
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The Tripp Lite U209-005-DB25 is a USB-A-to-serial adapter cable with DB9 and DB25 male connectors for connecting RS-232 serial devices to a computer, making it suitable for users who need a wired serial connection without an external power supply.
Recommended For
- People connecting a computer with USB-A to a legacy RS-232 device with a DB25 port—such as a modem, ISDN terminal, or older digital camera—without adding an external power supply.
- Machinists transferring programs or other data between a computer and an older CNC machine that uses an RS-232 serial connection; the machine’s pinout, cable wiring, and communication settings must also match.
- Retro-computing hobbyists connecting a modern USB-A computer or single-board computer to an older RS-232 terminal or other DB25 serial equipment.
- Users of Windows, Mac, or Linux computers who need a wired USB-to-RS-232 connection for a compatible legacy device; the manufacturer lists support across these operating systems.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Connecting RS-232 serial devices, including modems, digital cameras, PDAs, and ISDN terminals, to a computer’s USB port |
| Connector Configuration | USB-A male to DB25 male, with a DB9 male connector and a DB9-to-DB25 adapter |
| Cable Length And Type | 5 ft (1.52 m) round serial adapter cable |
| Data Transfer | Supports transfer rates up to 230 kbps |
| Compatibility | Compatible with Windows, Mac, and Linux computers, plus Android devices with USB Host Mode (OTG) and OS version 3.2 or later |
| Cable Construction | Double-shielded cable with gold-plated contacts, tinned copper braid, and aluminum Mylar foil shielding to reduce cross-talk and EMI/RFI interference; PVC outer material |
| Power | Requires no external power |
| Included Components | U209-005-DB25 USB-to-serial adapter cable, DB9-to-DB25 adapter, and owner’s manual |
| Color | Black |
| Model Identifiers | Tripp Lite U209-005-DB25 |










