Fujitsu MAF3364LC Manual/User Guide - Page 28
select the peripheral device for input/output operation.
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(2) Addressing of peripheral device Each SCSI device on the bus has its own unique address (SCSI ID:#n in Figure 1.6). For input/output operation, a peripheral device attached to the SCSI bus that operates as target is addressed in unit called as logical unit. A unique address (LUN: logical unit number) is assigned for each logical unit. The initiator selects one SCSI device by specifying that SCSI ID, then specifies the LUN to select the peripheral device for input/output operation. The IDD is constructed so that the whole volume of disk drive is a single logical unit, the selectable number of SCSI ID and LUN are as follows: • SCSI ID: 8-bit SCSI:Selectable from 0 to 7 (switch selectable) 16-bit SCSI:Selectable from 0 to 15 (switch selectable) • LUN: 0 (fixed) C141-E064-03EN 1 - 11
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