
Chapter 6 Parallel SCSI Interface
SCSI Tape Drive Features
DLT-S4 Product Manual 50
Figure 16 SCSI Connectors
SCSI Tape Drive Features 6
The DLT-S4 tape drive conforms to the Ultra320 SCSI standard and
allows for a maximum burst rate of 320 MB per second.
Quantum recommends one DLT-S4 tape drive per bus, with a maximum
of two DLT-S4 tape drives per bus.
SCSI Stub and Cable Lengths 6
The longest stub length on the DLT-S4 PCBA is 1.64 inches, and the
maximum cable length for one DLT-S4 tape drive is 20 meters. The
maximum SCSI cable interconnect length is 10 meters total with a
maximum of two DLT-S4 tape drives on the bus.
To operate properly in Ultra320 mode, ensure that all SCSI cables and
terminators are Ultra320 (SPI-4) compatible.
For more information on the SCSI interface, see the DLT-S4 Interface
Reference Guide (81-81281-xx).
For information on transfer rates and protocol options, see table 4
on
page 11.
High-density 68-pin Micro DB68 or
Mini DB68
SCA 80-pin Hot Swap Connector
Very High-density Interconnect
Connector
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