Notice: As most low-cost USB to RS232 adapters this adapter is not recommended for use with Windows 7 and Vista and it will not work with Windows 8. Check our Windows 7 / 8 compatible USB to RS232 adapter. Also please see
why some adapters are not compatible with Windows 7 and Windows 8.
This USB to RS232 adapter is a good all-round standard adapter for older operating systems, which is ideal for mobile applications and devices. It is utilizing the popular basic PL2303 chip from Prolific which makes it easy to add a serial port to your legacy desktop or laptop, for general office, commercial and industrial use.
Serial outputs are automatically configured as additional COM ports with Windows 98, ME, 2000, XP and some older versions of Linux and Mac. This low-cost adapter is NOT recommended for Windows 7 and Windows 8.
This standard USB to RS232 adapter is compatible with most GPS and PDA devices (Garmin, Mallagan, Palm), modems, printers, scanners, digital cameras and office equipment.
USB to RS232 adapter Plug and Play allows easy installation and requires no IRQ, DMA, or I/O port resources which means more devices can be attached to your system without the hassles of device and resource conflicts. Drivers are compatible with Windows 98Se, ME, 2000, XP, Server 2003 and older versions of Mac and Linux but has only limited compatibility with Windows 7 and Vista. It is not compatible with Windows 8, (check instead our Windows 8 / Windows 7 compatible USB to RS232 adapter).
- Windows 98, ME, 2000, XP32, Server 2003
Since this is a low-cost adapter it has limited compatibility and is not recommended for Windows Vista, Windows 7 and it will not work with Windows 8
- Mac OS X 8, 9, 10, 10.6
- Windows CE 5.0
||RS232 DB9 Male
|RS232 output power
||Standard Type A Male
||TX, RX, RTS, CTS, DTR, DSR, DCD, and RI
|Power on pin 9
||300bps to 115200bps
|| None, Odd, Even, Mark, Space
||5, 6, 7 or 8
||One, one and a half, or two stop bits
|TX / RX buffer size
||Configurable 512-byte bi-directional data buffer
- 256-byte outbound buffer and 256-byte inbound buffer; or
- 128-byte outbound buffer and 384-byte inbound buffer
|Adjustable USB transfer sizes for TX and RX
||From 64 bytes to 4096 bytes
||None, Xon/Xoff, Hardware
|COM port accessible by
||Included virtual COM port drivers
|Electrostatic (ESD) protection
||600W surge protection, 15KV static electricity protection
||less than 100mA
||USB1.1,2.0,3.0, EIA/TIA RS-232
||FCC, CE and RoHS
||-20°C to 60°C
||1 year limited warranty
For alternative USB to serial solutions please see our full selection of USB to Serial RS232 adapters