Features Specification Full compliance with the USB Specification V2.0 & USB V1.1 , Plug and Play. Data Transfer Rate : 12Mbps of USB. Parallel port (DB 25 Female) support IEEE-1284 compliant parallel printers. Serial ports (DB 9 Male) support up to 115kb/sec serial devices. USB to Parallel is Bi-directional. Add one high-speed serial port, one printer port. @ Avoid the hassle of removing your PC case, or rebooting the operating system during installation. USB Port Replicator : 1 upstream port / Type A receptacle. Serial port- DB 9 Male, parallel port- DB25 Female, USB port- A Male Housing : molding / Weight : 103 g Cable length : 350 mm (cable to cable) Supports Windows 98/98SE/ME/2000/XP