The Plugable USB to Serial Adapter
Easily add an RS-232 9-pin serial port to any computer with our PL2303-DB9 USB to Serial Adapter!
Perfect for terminal services, data transfer, remote control, and programming, or any application that requires connection to an RS-232 port. Featuring a DB9 Male RS232 DTE connector with full RS-232 signal support (TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND) and a 5 foot (1.5 meter) cable, this bus-powered 9 pin to USB adapter can easily reach your devices at a distance. Or, pair it with an RS232 extension cable for an even further reach. Supporting baud rates from 75bps to 1Mbps with standard stop bit, parity, and flow control options, this USB serial adapter fits almost any application.
This RS-232 to USB adapter is powered by USB, and requires no extra external power. It also supports COM port retention in Windows, ensuring that the COM port number and settings are retained per-adapter across reboots and unplugs.
Connect RS232 to Any Computer
Plugable USB to Serial Adapter with PL-2303GT chip for RS-232. Plug and play in Windows 11/10/8.x, most Linux. Install for earlier Windows, macOS.
Secure, Extended Connection
Prolific USB to serial adapter with a fixed male port, screw-in connection, 5ft cable. Use a DB9 coupler or serial cable for male-to-male connections
Compatibility
Compatible with RS-232 devices like PCs, GPS, modems, routers, telescopes, scanners, and more. Works with HyperTerminal, PuTTY, TeraTerm, and more
Genuine PL2303GT Chipset
Our adapter uses genuine Prolific chipsets for reliable compatibility with the latest Prolific drivers, unlike cloned chipsets that may not work
Tech Specs
What devices can I use this with?
Works with RS-232 devices like handheld scanners, POS machines, PLC controllers, printers, scanners, CNC, and more.
Does this adapter require external power?
No, it is USB-powered and does not require an external power supply.
Can I use this with a USB-C port?
Yes, with a USB-C to USB-A adapter (sold separately). The adapter itself has a standard USB-A connector.
What is the adapter’s RS232 pinout?
PL2303-DB9 uses the standard male RS232 DTE pinout.
Does it use a genuine Prolific chipset?
Yes, we use only authentic Prolific PL2303GT chips, ensuring compatibility with the latest drivers and operating systems.
The Plugable USB to Serial Adapter
Easily add an RS-232 9-pin serial port to any computer with our PL2303-DB9 USB to Serial Adapter!
Perfect for terminal services, data transfer, remote control, and programming, or any application that requires connection to an RS-232 port. Featuring a DB9 Male RS232 DTE connector with full RS-232 signal support (TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND) and a 5 foot (1.5 meter) cable, this bus-powered 9 pin to USB adapter can easily reach your devices at a distance. Or, pair it with an RS232 extension cable for an even further reach. Supporting baud rates from 75bps to 1Mbps with standard stop bit, parity, and flow control options, this USB serial adapter fits almost any application.
This RS-232 to USB adapter is powered by USB, and requires no extra external power. It also supports COM port retention in Windows, ensuring that the COM port number and settings are retained per-adapter across reboots and unplugs.
Connect RS232 to Any Computer
Plugable USB to Serial Adapter with PL-2303GT chip for RS-232. Plug and play in Windows 11/10/8.x, most Linux. Install for earlier Windows, macOS.
Secure, Extended Connection
Prolific USB to serial adapter with a fixed male port, screw-in connection, 5ft cable. Use a DB9 coupler or serial cable for male-to-male connections
Compatibility
Compatible with RS-232 devices like PCs, GPS, modems, routers, telescopes, scanners, and more. Works with HyperTerminal, PuTTY, TeraTerm, and more
Genuine PL2303GT Chipset
Our adapter uses genuine Prolific chipsets for reliable compatibility with the latest Prolific drivers, unlike cloned chipsets that may not work
Tech Specs
| Chipset | Prolific PL2303GT for reliable USB to Serial (RS-232) communication |
|---|---|
| Baud Rate | Programmable baud rate from 75bps to 1Mbps for flexible data transfer speeds |
| Compatibility | Works with Windows, macOS, and Linux |
| Connectivity | RS-232 DTE serial port connects via USB-A, or USB-C (with separately sold adapter) |
| COM Retention | Windows retains COM port number and settings per adapter across reboots |
What devices can I use this with?
Works with RS-232 devices like handheld scanners, POS machines, PLC controllers, printers, scanners, CNC, and more.
Does this adapter require external power?
No, it is USB-powered and does not require an external power supply.
Can I use this with a USB-C port?
Yes, with a USB-C to USB-A adapter (sold separately). The adapter itself has a standard USB-A connector.
What is the adapter’s RS232 pinout?
PL2303-DB9 uses the standard male RS232 DTE pinout.
Does it use a genuine Prolific chipset?
Yes, we use only authentic Prolific PL2303GT chips, ensuring compatibility with the latest drivers and operating systems.
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