Quantum DAT 160 User's Guide download pdf (Page 67)

Quantum DAT 160 User’s Guide 53

Appendix B

BSCSI Configuration

Guide

SCSI in Quantum DAT Devices 2

Quantum DAT tape drives are Ultra160 SCSI-2 compatible devices. They

are designed to operate on a low voltage differential (LVD) SCSI

interface. They are not compatible with high voltage differential (HVD)

SCSI devices.

The drives support a burst transfer rate of 160 MB/sec. To benefit from

this level of performance, it is important to ensure that the drives are

connected to a SCSI bus of a similar or higher specification. This means

that you need:

• An Ultra160 or Ultra320 SCSI host bus adapter. Ultra2 SCSI is also

supported, but performance may be degraded if there are several

devices on the SCSI bus.

• LVD-rated SCSI cabling and terminators. The LVD interface enables

the data to be transferred at the drive's maximum rate and provides a

maximum cable length of 12 meters.

We also recommend that the tape drive is connected to a dedicated host

bus adapter. If you need to connect multiple devices to the bus,

performance may be restricted if there are too many (3 or more) devices

on the bus that are accessed simultaneously. Connecting devices of lower

SCSI specification, such as Ultra2 or Ultra SCSI, may also restrict

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Quantum DAT 160 User's Guide Page 67