D i s k E x p a n s i o n U n i t U s e r s G u i d e E ()
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D i s k E x p a n s i o n U n i t
U s e r s G u i d e
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5800 ST1400 xxx ()
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D i s k E x p a n s i o n U n i t
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5800 ST1400 Proprietary Notice and Liability Disclaimer
The information disclosed in this document, including all designs and related materials, is the
valuable property of NEC Computer Systems Division (hereinafter "NEC CSD") and/or its
licensors. NEC CSD and/or its licensors, as appropriate, reserve all patent, copyright and other
proprietary rights to this document, including all design, manufacturing, reproduction, use, and
sales rights thereto, except to the extent said rights are expressly granted to others.
The NEC CSD product(s) discussed in this document are warranted in accordance with the terms
of the Warranty Statement accompanying each product. However, actual performance of each such
product is dependent upon factors such as system configuration, customer data, and operator
control. Since implementation by customers of each product may vary, the suitability of specific
product configurations and applications must be determined by the customer and is not warranted
by NEC CSD.
To allow for design and specification improvements, the information in this document is subject to
change at any time, without notice. Reproduction of this document or portions thereof without
prior written approval of NEC CSD is prohibited.
Trademarks
All product, brand, or trade names used in this publication are the trademarks or registered trademarks of their respective trademark
owners.
PN: 456-01508-001
Copyright 1999
NEC Computer Systems Division
All Rights Reserved Contents iii
Contents
Using This Guide..........................................................................................................................v
Text Conventions ................................................................................................................. vi
Related Documents ............................................................................................................. vii
Safety Notices .................................................................................................................... viii
Safety Notices for Users Outside of the U.S.A. and Canada .......................................... ix
Care and Handling .................................................................................................................x
DEU Overview.......................................................................................................................... 1-1
Overview............................................................................................................................ 1-2
Hot Swappable SCSI Disk Drive Bays .............................................................................. 1-4
SAF-TE Board ................................................................................................................... 1-4
DEU Controls and Indicators............................................................................................. 1-4
Power Switch ................................................................................................................ 1-5
DEU Status Indicator LEDs.......................................................................................... 1-5
Power Supply Status Indicator LEDs ........................................................................... 1-5
Disk Drive Status Indicator LEDs ................................................................................ 1-6
Disk Drive Status Conditions ....................................................................................... 1-6
Fibre Channel RAID Controller Switch and Indicators................................................ 1-6
I/O Panel Disk Transfer Mode LEDs................................................................................. 1-7
High Capacity Cooling Fans .............................................................................................. 1-7
Hot Swappable Power Supplies ......................................................................................... 1-7
I/O Panel Connectors ......................................................................................................... 1-7
DEU Security ..................................................................................................................... 1-8
Getting Familiar with the DEU.......................................................................................... 1-9
Front View with Front Door Closed ............................................................................. 1-9
Front View with Front Door Opened.......................................................................... 1-10
DEU Chassis .................................................................................................................... 1-13
DEU Board Features ........................................................................................................ 1-15
Rear View ................................................................................................................... 1-16
Status Indicator LED Descriptions................................................................................... 1-17
Setting Up The DEU ................................................................................................................ 2-1
Overview............................................................................................................................ 2-2
Selecting a Site................................................................................................................... 2-2
Unpacking the DEU ........................................................................................................... 2-3
Rack-Mount Subsystem Assembly .................................................................................... 2-4
Before You Begin ......................................................................................................... 2-4
Static Precautions.......................................................................................................... 2-4
Assembly ...................................................................................................................... 2-5
Cabling Connections .......................................................................................................... 2-8
Termination................................................................................................................... 2-8
Cables ........................................................................................................................... 2-8
Configurations .............................................................................................................. 2-8
Setting the Line Voltage .................................................................................................. 2-15
Connecting the Power Cord(s)......................................................................................... 2-17
Power Control Mode........................................................................................................ 2-18
Powering On The DEU .................................................................................................... 2-18 iv Contents
Configuring Your DEU............................................................................................................3-1
General Information ...........................................................................................................3-2
Static Precautions ...............................................................................................................3-2
Termination Configurations ...............................................................................................3-3
Changing the Power Control Mode....................................................................................3-5
DEU Cabling (JBOD) ........................................................................................................3-6
DEU Cabling (FC-AL) .......................................................................................................3-7
Upgrading Your DEU ..............................................................................................................4-1
Static Precautions ...............................................................................................................4-2
Preparing Your DEU for Upgrade......................................................................................4-3
Opening the Front Door .....................................................................................................4-3
Hard Disk Drives................................................................................................................4-4
SCSI ID Assignment .....................................................................................................4-4
Installing or Swapping a Hard Disk Drive in a Hot-swap Bay ....................................