Definition - What does DB-68 mean?
The DB-68 is a high density 68-pin connector with two rows, one above the other. The top row has 34 pins and the lower 34 pins.
This term is also known as a small computer system interface (SCSI) -3 connector, high density 68 and half pitch 68.
Techopedia explains DB-68
The DB-68 is utilized with SCSI applications, including Ultra/2, scanners, removable storage drives, controllers and external writable CD-ROM drives. The SCSI official DB-68 version has thumbscrew fasteners. Other 16-bit wide SCSI devices use a latch version.