User's Guide
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This section provides the basic rules and considerations for setting up
the library on the SCSI bus.
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Every SCSI device attached to the SCSI bus must be of the same type:
either
single-ended
or
differential
. On a single-ended SCSI bus, one
signal line is used to transmit a bus signal between devices. On a
differential bus, two signal lines are used.
Your library is differential; all devices must be differential. These other
devices include the tape drives installed in the library, the adapter card
installed in your host computer, and terminators.
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The Scalar AIT 220 supports AIT tapes drives with wide SCSI
configurations.
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The library supports AIT tapes drives with fast SCSI, which does not
require any special cabling or configuration. However, proper cable
lengths, stub length, and termination are more important on a fast SCSI
bus than on a regular SCSI bus.
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When connecting the library and other devices on the SCSI bus, follow
these guidelines for SCSI cabling: