Sun Microsystems External SCSI Extension Cable (Part Number: 530-1696-01). This heavy-duty, premium double-shielded gray data cable features a DB25 Male connector on one end and a DB25 Female connector on the other. It acts as a high-integrity straight-through serial/SCSI interface extension, standardly utilized to give extra slack when connecting external storage array enclosures, tape backups, or terminal controllers to legacy Sun Unix architectures.bUsed and fully working. Tested for full signal continuity. The pins inside the Male D-sub connector are perfectly straight, unbent, and clean. The factory missing pins in the center row are a deliberate standard design choice for the proprietary lines of this Sun layout, not a defect. The Female port pins are secure.