6 ft SCSI MDR Micro Centronics 50 Male to DB25 Male Cable.
This is Micro Centronics, NOT the standard SCSI-2 50 pin connector. See eBay listing 126758696055 for that one https://www.ebay.com/itm/126758696055 

Connect SCSI controllers with MDR Micro Centronics 50 port to Devices with DB25 port or visa versa. 

Specifications:

• SCSI DB25 25-Pin Male
• SCSI MDR Micro Centronics 50 Male
• High quality wire that provides data integrity
• Molded connectors provide strain relief
• 28 AWG Twisted Pair Double Shielded Cable for maximum protection from EMI/RFI interference
• Length: 6 ft