HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 200

Jukebox SCSI-2 Commands Jukebox SCSI-2 Command Set Rotate Mailslot Command (0CH) Table 3-10 Rotate Mailslot Command (0CH) The host system may send this SCSI vendor-unique command to the optical disk library to control mailslot rotation. Rotate Mailslot Command CDB Byte 7 6 5 4 3 2 1 0 Operation Code (0CH) 1 Logical Unit Number (0) Reserved (0) 2 Reserved (0) 3 Reserved (0) 4 Reserved (0) 5 Control Byte (0) 0 Open Open An Open value of 1 causes the mailslot to rotate out. An Open value of 0 causes the mailslot to rotate in. There are three exceptions: • If another device, including the front panel, already has the mailslot prevented or reserved. • If there is an optical disk already in the transport element (picker). • If the optical disk library is full. Chapter 3 3-13