
Quantum|ATL PowerStor L500 Series Tape Library User’s Guide 61
Chapter 4
SCSI Interface
4
This chapter details the SCSI protocol features for the L500 Series
library. These features include:
• General SCSI bus operation
• SCSI message system
General SCSI Bus Operation
4
This section discusses general SCSI bus operation.
Data Transfer
4
The L500 Series library supports asynchronous and synchronous
data transfers. The product has differential- and single-ended
versions. Odd parity is generated during all information transfer
phases where the device writes data to the SCSI bus, and checked
during all information transfer phases where data is read from the
bus. Parity checking can be disabled.
Note:
The SCSI specification refers to tape libraries as
“medium changers.”
Note:
Tape drive commands are not discussed in this manual
but can be found in the SCSI Interface chapter of the
specific product manual.
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