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Appendix A SCSI Cables and Connectors
83
A SCSI Cables and
Connectors
SCSI Connectors
ADAC Ultra2 S466 provides several different types of
SCSI connectors. The connectors are:
• one 68-pin high density internal connector, and
• one 68-pin ultra high density external connector.
68-Pin High Density SCSI Internal Connector
The SCSI channel on the ADAC Ultra2 S466 Controller
has a 68-pin high density 0.050 inch pitch unshielded
connector.
This connector provides all signals needed to connect
ADAC Ultra2 S466 to wide SCSI devices. The following
connector pinouts are provided for both single-ended and
differebtial primary bus (P-CABLE) as specified in SCSI-3
Parallel Interface X3T9.2, Project 885-D, revision 12b,
date July 2, 1993.
The cable assemblies that interface with the 68-pin
connector is:
•
flat ribbon or twisted pair cable for connecting internal
wide SCSI devices,
•
flat ribbon or twisted pair cable for connecting internal
and external wide SCSI devices,
•
cable assembly for converting from internal wide SCSI
connectors to internal non-wide (Type 2) connectors,
•
cable assembly for converting from internal wide to
internal non-wide SCSI connectors (Type 30), and
•
cable assembly for converting from internal wide to
internal non-wide SCSI connectors.
Cont’d