50 pin terminal block with 50 pin female SCSI-2 type connector.
The permissible maximum voltage for the TA201 is 30V DC.

25 pin terminal block with DB25 female connector.
The permissible maximum voltage for the TA202 is 30V DC.

68 pin terminal block with 68 pin female SCSI-3 type connector

50 pin terminal block with 50 pin ribbon cable connector