User's Guide

Chapter 1 Theory of Operation
Operational Sequences
6 Quantum DX-Series Software Interface Guide
Operational Sequences 1
Operational sequences are listed in order of precedence. These
operational sequences are detailed in this section:
•Power On
• System Stopped
• On-Line Initialization
• DX-Series System Unit Inventory
• Off-Line
Power-On 1
When the DX-Series system is powered-on it goes through an
initialization sequence, during which:
• System goes through power sequencing and intitialization
• DX-Series system responds to these commands:
• Inquiry
• Request Sense
•Log Sense
• Mode Sense
• All other commands return a Logical Unit is Not Ready check
condition (SK=2 ASC=04 ASCQ=00)
When the power-on initialization is complete:
1 DX-Series system generates a Power On/Reset Occurred event
(SK=6 ASC=29 ASCQ=00).
2 System performs additional operational sequences, depending on the
condition of the system.
On-Line
Initialization
1
To start the on-line initialization sequence:
1 Power on the DX-Series system.
During the on-line initialization sequence: