Online Diagnostics .............................................................................................................................

72

Disk Module Request Sense Information.............................................................................................

72

DDS Tape Module Request Sense Information....................................................................................

80

CHAPTER 5. SERVICE...................................................................................................................

91

TOOLS REQUIRED ....................................................................................................................................

91

DOOR ASSEMBLY ....................................................................................................................................

92

Deskside Door....................................................................................................................................

92

Rackmount Door ................................................................................................................................

95

DESKSIDE SIDE PANEL .............................................................................................................................

97

DESKSIDE PEDESTAL BASE.......................................................................................................................

98

BACKPLANE ASSEMBLY ...........................................................................................................................

99

Deskside Backplane Assembly ............................................................................................................

99

Rackmount Backplane Assembly........................................................................................................

100

SCSI Bus Reset Switch.......................................................................................................................

101

POWER BUTTON AND PUSH ROD..............................................................................................................

104

TOP COVER ............................................................................................................................................

105

AC POWER ADAPTER .............................................................................................................................

106

Deskside AC Power Adapter..............................................................................................................

106

Rackmount AC Power Adapter ..........................................................................................................

107

MODULE CAM LEVER .............................................................................................................................

108

ENCLOSURE REPLACEABLE PARTS ...........................................................................................................

110

APPENDIX A. A3312A RACKMOUNT INSTALLATION ..............................................................

121

APPENDIX B. PRODUCT SPECIFICATIONS.................................................................................

133

APPENDIX C. REGULATORY STATEMENTS ..............................................................................

137

INDEX .................................................................................................................................................

141

v