Tripp Lite presents the 3ft. SCSI I Cable. The Centronics 50M/M Pro Series SCSI I Cable is used to connect Macintosh computers with DB25 ports to most SCSI I peripherals such as scanners, CD-ROM drives, and more.19 tightly woven conductor pairs ensures that each data line is paired with a ground line to minimize interference, ensuring error-free data transmissions. Tripp Lite offers a lifetime replacement warranty on all cable products. All TRIPP LITE SCSI Cabling Is Double-Shielded (Braid And Foil). All TRIPP LITE SCSI Products, Regardless Of The SCSI Generation, Meet The Latest SCSI III Specifications Of ANSI (American National Standards Institute).