
Rules for installing EXN1000 expansion units in arack ................4
Guide to the installation process .......................5
Before you begin your installation ........................7
EXN1000 expansion unit numbering ......................8
Drive addressing ............................9
Speed setting .............................10
Supported disk drives ..........................11
Drive bay requirements ..........................11
Chapter 2. Connecting an EXN1000 expansion unit.................13
Handling fiber-optic cables ..........................13
Connecting EXN1000 expansion units ......................14
EXN1000 expansion unit cabling requirements ..................14
Connecting the expansion unit directly to the Nseries storage system .........14
Connecting the expansion unit to other expansion units ..............15
Grounding EXN1000 expansion units ......................15
Connecting the EXN1000 expansion unit to apower source ...............15
Hot-adding an EXN1000 expansion unit to an existing loop ...............15
Error messages .............................17
Chapter 3. Monitoring the EXN1000 expansion unit.................19
Monitoring the front operation panel ......................19
Location of LEDs ............................20
Monitoring the disk shelf ID ........................20
LED status on the front operation panel ....................20
Front operation panel console error messages...................21
Monitoring the AT-FCX modules ........................22
Location of the module LEDs ........................22
LED status on the AT-FCX .........................23
AT-FCX console error messages .......................23
Monitoring the power supply .........................24
Location of LEDs ............................25
Power supply console error messages .....................26
Monitoring the ATA disk ..........................27
Location of LEDs ............................27
Chapter 4. Replacing EXN1000 expansion unit devices ...............29
Removing an EXN1000 expansion unit ......................29
Removing an EXN1000 expansion unit from asingle EXN1000 expansion unit configuration ...30
Removing an EXN1000 expansion unit from aloop.................31
Replacing adisk in an EXN1000 expansion unit ...................32
Preparing to replace adisk .........................32
Removing adisk ............................32
Installing adisk ............................33
Replacing apower supply in an EXN1000 expansion unit ...............33
Rules for replacing power supplies ......................34
Removing apower supply .........................34
Installing apower supply .........................35
Replacing an AT-FCX module .........................35
Connectors in an AT-FCX .........................36
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