USB to RS-232 DB9 adapter cable with RS232 25pin adapter Perfect for system administrators, who need to use legacy devices with modern notebooks, PCs and servers, without integrated RS-232 port Connectingsatellite receivers, serial modems or PDAs with synchronous serial transmissionConnecting code scanners sensors, receipt printers and other POS devicesIndustrial/automotive sensors and connection equipment, monitoring and controlConnect and program LED and digital billboards with serial communication ports.Compatible with almost all PLC brands (AllenBradley, Siemens, Modicon, Servos, Indramat, Siemens, AB, etc.) USB to RS232 9pin converter adapter cable + RS232 25pin adapter Plug your old modems into the USB port of your new PC/Laptop Cable length: 80cm. approx. USB to direct RS232 serial adapter Easy to install and set up No external power adapter needed thanks to USB power supply Thin and light cables make it portable and easy to carry Support for serial data rates up to 1 Mbps Compatible with popular models of PDAs, modems, printers, barcode scanners and so on