Dual Serial/Parallel (25-4025A) Features Faxback Doc. # 5580 Port Adapter The dual serial/parallel kit adds two serial ports and one parallel port to your computer. The serial ports share a single expansion slot in the computer. The parallel port cable requires the use of a second slot. With the addition of the three ports, you can connect various asynchronous devices, such as: * a serial mouse * modems * printers * plotters You can install up to two of these adapter kits in one computer, and can use the kits with the MS-DOS, MS OS/2, or XENIX operating system. The serial ports operate at data transfer rates up to 19,200 baud. If you connect a DCE device (data communications equipment), such as a data concentrator or multiplexer, you might need a DB9-to-DB9 null modem adapter, Cat. No. 260-264. (smm 08/03/93)