StorCase Technology InfoStation External SCSI Ultra160 User manual

StorCase® Technology
InfoStation®
External SCSI Ultra160
Expansion Chassis
User's Guide

i
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
StorCase Technology, Inc.
17600 Newhope Street
Fountain Valley, CA 2708- 885
Phone [phone] Fax [phone]
StorCase® Technology
InfoStation®
External SCSI Ultra160
Expansion Chassis
User's Guide
Part No. D89-0000-0126 B01 January 2003

ii
StorCase Technology Inc. InfoStation User's Guide - Rev. B01
LIMITED WARRANTY
STORCASE TECHNOLOGY Incorporated (StorCase) warrants that its products will be free
from defects in material and workmanship subject to the conditions and limitations set forth
below. StorCase will at its option either repair or replace any part of its product that proves
defective by reason of improper workmanship or materials. Repair parts or replacement
products will be provided by StorCase on an exchange basis and will be either new or
reconditioned to be functionally equivalent to new.
This warranty does not cover any product damage that results from accident abuse misuse
natural or personal disaster external power surge or failure or any unauthorized disassem-
bly repair or modification. StorCase will not be responsible for any software firmware or other
customer data stored within or interfacing with a StorCase product.
Duration of Warranty
Seven-Year Warranty: The following StorCase products are covered by this warranty for
a period of seven (7) years from the original date of purchase from StorCase or its authorized
reseller: all Data Express® removable device enclosures and all StorCase interface cables and
accessories specifically intended for use with these products. Data Silo® Data Stacker® and
InfoStation® products are covered by this warranty for a period of seven (7) years excepting
the RAID controller power supply fan and blower components which are covered by the
three-year warranty described below.
Three-Year Warranty: The following StorCase products are covered by this warranty for
a period of three (3) years from the original date of purchase from StorCase or its authorized
reseller: all Rhino®JR external expansion chassis all RhinoJR removable drive enclosures
and all RAID controller modules. In addition the following components of the Data Express
Data Silo Data Stacker InfoStation products are subject to warranty for a period of three (3)
years: all power supplies fans and blowers.
Warranty Claim Requirements
To obtain warranty service the defective product must be returned to your local authorized
StorCase dealer or distributor or with prior StorCase approval to the StorCase factory
service center.
For defective products returned directly to StorCase a Return Material Authorization (RMA)
number must be obtained by calling StorCase Customer Service at [phone]. The RMA
number must be prominently displayed on the outside of the return package. Shipments must
be freight-prepaid and insured and must include the product serial number a detailed
description of the problem experienced and proof of the original retail purchase date. Products
must be properly packaged to prevent damage in transit. Damage resulting from improper
packaging will not be covered by this warranty. The StorCase factory service center is located
at 17650 Newhope Street Receiving Dock Gate #4 Fountain Valley CA 92780 U.S.A.

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InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
Free Technical Support
StorCase provides free technical support. If you experience any difficulty during the
installation or subsequent use of a StorCase product please contact StorCases Technical
Support Department prior to servicing your system. This warranty covers only repair or
replacement of defective StorCase products as described above. StorCase is not liable for
and does not cover under warranty any costs associated with servicing and/or installation
of StorCase products.
StorCase Technical Support can be reached in the U.S. at [phone] or toll-free at (888)
435-5460 (U.S. and Canada only). StorCase European Technical Support can be reached in
the U.K. at [phone].
Disclaimers
The foregoing is the complete warranty for the products identified above and
supersedes all other warranties and representations, whether oral or written.
StorCase expressly disclaims all warranties for the identified products, which are
not stated herein, including, to the extent permitted by applicable law, any implied
warranty of merchantability or fitness for a particular purpose. In no event will
StorCase be liable to the purchaser, or to any user of a StorCase product, for any
damages, expenses, lost revenues, lost savings, lost profits, or any other
incidental or consequential damages arising from the purchase, use or inability
to use a StorCase product, even if StorCase has been advised of the possibility
of such damages.
Copyright © 2003 StorCase Technology. All rights reserved. All registered
trademarks are the property of StorCase Technology. All other logos and trademarks
are properties of their respective companies.

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StorCase Technology Inc. InfoStation User's Guide - Rev. B01
Company Name:
Corporate Office Address:
Manufacturing Address:
Product Name:
Model Number:
EMC Directives:
(8 /336/EEC)
Low Voltage Directive:
(73/23/EEC)
Safety Standards:
CSA (NRTL/C)
TUV
EMI Standards:
EMC Standards:
Year of Manufacture:
Signature:___________________
Full Name: Dieter Paul
Position: President
Conforms to the following standards:
StorCase Technology Inc.
17600 Newhope Street
Fountain Valley CA 92708
17600 Newhope Street
Fountain Valley CA 92708
InfoStation
INFOSTATION-9X-XXXXXXX
EN 50081-1: 1992 Generic Emission
- EN 55022/CISPR22 Class A
EN 50082-1: 1997 Generic Immunity
- EN 61000-4-2 - EN 61000-4-6
- EN 61000-4-3 - EN 61000-4-8
- EN 61000-4-4 - EN 61000-4-11
- EN 61000-4-5
EN 60950
CAN/CSA-C22.2 No. 950-95
UL 1950
EN 60950: 1992 EN 60950/A2: 1993
EN 60950/A1: 1993 EN 60950/A3: 1995
FCC Part 15 Class A
AS/NSZ 3548 Information Technology Equipment
2000
Declaration of Conformity

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InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
Federal Communications Commission (FCC) Statement
RADI FREQUENCY INTERFERENCE STATEMENT
You are cautioned that changes or modifications not expressly approved by the party
responsible for compliance could void your authority to operate that equipment.
This device complies with part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference and (2) This device must
accept any interference received including interference that may cause undesired operation.
Important Safety Instructions
1. Read all these instructions.
2. Save these instructions for later use.
3. Follow all warnings and instructions marked on the product.
4. Do not use this product near water.
5. This product should be operated from the type of power source indicated on the
marking label. If you are not sure of the type of power available consult your dealer
or local power company.
6. Do not attempt to service this product yourself as opening or removing covers may
expose you to dangerous voltage points or other risk. Refer all servicing to service
personnel.
Wichtige Sicherheitshinweise
1. Diese Hinweise sollten vollständig durchgelesen werden.
2. Diese Hinweise für einen späteren Gebrauch aufbewahren.
3. Allen auf dem Gerät angebrachten Warnungen und Hinweisen folgen.
4. Das Gerät nicht in der Nähe von Wasser verwenden.
5. Das Gerät nur mit dem Aufkleber bezeichneten Netzspannung betreiben. Bei Fragen
über die Art der Netzspannung sollte der Händler oder das
Energieversorgungsunternehmen zu rate gezogen werden.
6. Nicht versuchen das Produkt selbst zu reparieren. In allen Produkten existieren
gefährliche elektrische Spannugen. Nicht das Gehäuse öffnen.
7. Wartungsarbeiten nur von qualifiziertern Kundendienstpersonal ausführen laßen.

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StorCase Technology Inc. InfoStation User's Guide - Rev. B01
Table of Contents
INTRODUCTION ..................................................................................................................... 1
Packaging Information .................................................................................................. 1
Serial Number ................................................................................................................ 1
General Description ...................................................................................................... 2
Front Panel ............................................................................................................ 5
Rear Panel ............................................................................................................. 6
INFOSTATION USER INTERFACE ......................................................................................... 8
Display and Control Panel ............................................................................................ 8
Default Display Mode.......................................................................................... 10
InfoStation Menu System ................................................................................... 12
InfoStation Environmental Information and Set-Up ................................................... 13
System Error Status ........................................................................................... 14
Drive Bay SCSI ID Configuration ........................................................................ 15
Spin-Up Option Set-Up ....................................................................................... 17
SAF-TE Processor Board SCSI ID Set-Up ........................................................ 19
Enabling/Disabling the Buzzer ........................................................................... 20
Enclosure ID Set-Up ........................................................................................... 21
Serial Port Set-Up ............................................................................................... 22
Changing the Fan Speed .................................................................................... 23
Banner Set-Up .................................................................................................... 24
Firmware Revision ............................................................................................. 25
Drive Bay Interface Panel .......................................................................................... 26
Insert/Remove Push Button ............................................................................... 27
Inserting a Disk Drive.......................................................................................... 27
Removing a Disk Drive ........................................................................................ 27
SCSI CHANNEL CONFIGURATIONS ................................................................................... 28
Termination of the SCSI Bus at the VHDCI Connectors ........................................... 28
Single-Channel InfoStation ................................................................................. 29
Dual-Channel InfoStation ................................................................................... 30
4-Channel InfoStation ......................................................................................... 31
Typical SCSI Channel Configurations ........................................................................ 32
RAID CHANNEL CONFIGURATIONS ................................................................................... 33
Typical RAID Channel Configurations ....................................................................... 34

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InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
List of Figures
Figure 1: InfoStation (Rack Mount Version) ................................................................. 2
Figure 2: InfoStation (Tower Version) ......................................................................... 3
Figure 3: InfoStation Drive Installation Overview ......................................................... 4
Figure 4: InfoStation Front Panel ................................................................................... 5
Figure 5: InfoStation Rear Panel .................................................................................... 7
Figure 6: Display and Control Panel .............................................................................. 8
Figure 7: InfoStation Drive Bay Interface Panel ......................................................... 26
Figure 8: InfoStation VHDCI Connectors .................................................................... 28
Figure 9: Single-Channel InfoStation I/O Repeater Module Location ......................... 29
Figure 10: Dual-Channel InfoStation I/O Repeater Module Location ............................ 30
Figure 11: 4-Channel InfoStation I/O Repeater Module Location ................................. 31
Figure 12: Typical Single SCSI Host Connection to InfoStation ................................... 32
Figure 13: Typical Dual SCSI Host Connection to InfoStation ...................................... 32
Figure 14: Typical InfoStation RAID Module SCSI Host Configuration ......................... 33
Figure 15: Typical InfoStation RAID Module Dual SCSI Host Configuration ................. 34
Figure A-1: InfoStation Rack Mount Physical Dimensions ............................................. 39
Figure A-2: InfoStation Tower Physical Dimensions ..................................................... 40
Figure B-1: InfoStation Ultra160 I/O Repeater Kit........................................................... 41
Figure B-2: InfoStation SAF-TE Processor Board ......................................................... 42
Figure B-3: InfoStation RAID Controller Modules ........................................................... 43
Figure B-4: InfoStation Tower-to-Rack Kit ..................................................................... 44
Figure B-5: Rack Mount Slide Rail Kit .............................................................................. 45
Figure B-6: Power Supply Module .................................................................................. 46
Figure B-7: Blower Module .............................................................................................. 46
Figure B-8: Drive Carrier ................................................................................................. 47
Figure B-9: Carrying Case ............................................................................................... 48
Table of Contents (cont'd)
APPENDICES ........................................................................................................................ 35
Appendix A - Specifications/Dimensions .................................................................. 36
Appendix B - Optional Accessories......................................................................... 41
Ultra160 I/O Repeater Kit ................................................................................... 41
SAF-TE Processor Board .................................................................................. 42
Ultra160 RAID Controller Modules ..................................................................... 43
Rack-to-Tower Conversion Kit .......................................................................... 44
Slide Rail Kit......................................................................................................... 45
Replacement Power Supply Module .................................................................. 46
Replacement Blower Module ............................................................................. 46
Drive Carrier ........................................................................................................ 47
Carrying Case ..................................................................................................... 48
InfoStation External Monitoring Utility ................................................................ 49
Reader's Comments ............................................................................................................ 51

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StorCase Technology Inc. InfoStation User's Guide - Rev. B01
NOTICE: This User's Guide is subject to periodic updates without notice. While reasonable
efforts have been made to ensure accuracy of this document Storcase Technol-
ogy Inc. assumes no liability resulting from errors or omissions in this publication
or from the use of the information contained herein.
Please check the StorCase web site at http://www.storcase.com or contact your
StorCase representative for the latest revision of this document.
List of Tables
Table 1: Display and Control Panel Components .............................................................. 9
Table 2: InfoStation Menu Navigation Switches ............................................................. 12
Table 3: Default Bay SCSI ID Assignments ..................................................................... 15
Table 4: Motor Spin Functions ......................................................................................... 18
Table 5: Drive Bay Interface Components ...................................................................... 26

Introduction 1
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
INT ODUCTION
CAUTION: The InfoStation contains NO USER SERVICEABLE parts inside the unit. Refer
ALL servicing to qualified service personnel!
PackagingInformation
The StorCase Technology InfoStation external expansion chassis is shipped in a container
designed to provide protection and prevent damage during shipment as confirmed by the
International Safe Transit Association (ISTA Procedure 1A). The InfoStation was carefully
inspected before and during the packing procedure at the factory. Evidence of any damage
to the InfoStation should be reported to the shipper immediately.
If the wrong InfoStation model has been received please call your reseller or StorCase at
[phone] to arrange for a Return Material Authorization (RMA). StorCase cannot ac-
cept returns which do not display an RMA number on the outside of the package. Return the
unit with all the original packing materials.
Before removing any component from its packaging discharge any static electricity by
touching a properly grounded metal object.
Serial Number
The InfoStation is labeled with a serial number. This number must be reported to the StorCase
Customer Service Representative in order to receive a Return Material Authorization (RMA)
for warranty claims. Locate the serial number label and record the number in the space
provided below.
InfoStation Serial Number:

2Introduction
StorCase Technology Inc. InfoStation User's Guide - Rev. B01
Figure 1: InfoStation (Rack Mount Version)
GeneralDescription
The StorCase® Technology InfoStation® intelligent expansion chassis is designed to
support the latest high-density high-speed SCSI disk drive technologies for use in network
server fault-tolerant and/or mission-critical applications. The InfoStation is designed to
support 3.5" form factor half-height and low profile (1" high) SCSI Single-Ended (S.E.) and
Ultra160 LVD/S.E. devices.
The InfoStation's dual backplane design can accommodate up to nine (9) single-connect SCA
SCSI devices (Figure 1). Each chassis is constructed of rugged steel lightweight aluminum
and plastic and is equipped with two (2) 400W redundant hot swappable power supplies
two (2) redundant hot swappable blower modules and a User Interface module designed to
provide continual chassis data feedback and control of drive configurations.
The InfoStation SCSI backplane comes standard with one (1) two (2) or four (4) Ultra160
channel interfaces or can easily be upgraded with optional interface/repeater kits to support
a total of up to four (4) Ultra160 channels. InfoStation can also be uniquely daisy-chained for
Ultra160 operation supporting up to fifteen (15) devices per channel.
Another unique feature of the InfoStation is the InfoMon® external monitoring utility program.
InfoMon is a console utility that provides the InfoStation with an external monitoring capability
via a serial connection. The latest versions of the InfoMon utility program and User's Guide
can be downloaded (free of charge) from the StorCase website (http://www.storcase.com).
Contact StorCase for further information.
A conversion kit (which allow rack mount models to be converted to tower models) Ultra160
RAID controller modules and a SAF-TE Processor Board are also available as InfoStation
upgrade options. Refer to Appendix B for further information on optional InfoStation
accessories.

Introduction 3
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
Figure 2: InfoStation (Tower Version)
Using a modular approach supported by redundant features and hot swapping capabilities
the InfoStation will provide continued data availability and allow for ease of maintenance and
minimal system down time.
The modular and scalable design of the InfoStation chassis also allows a variety of future
product upgrades to be offered such as future support for Fibre host interfaces and/or (with
a Fibre backplane version of the InfoStation) Fibre drives. Upgrade modules providing remote
diagnostics capabilities and SES or SNMP compliance are also anticipated InfoStation options.
This User's Guide describes the steps required for installing drive(s) into the InfoStation
external expansion chassis. For consistency most illustrations depict the InfoStation rack
mount model. Although cosmetically different on the exterior the tower and rack mount models
are identical on the interior.
This guide is intended to supplement documentation provided with the host computer system
the operating system and the drive(s) to be installed within the InfoStation. Figure 3 illustrates
a typical drive installation into an InfoStation external expansion chassis.

4Introduction
StorCase Technology Inc. InfoStation User's Guide - Rev. B01
Figure 3: InfoStation Drive Insta ation Overview
Drive
(Not Included)
InfoStation
Drive Carrier
#6-32 Phillips Head
ounting Screw
(4 total)
InfoStation
Chassis
IFS_3
Features:
Nine (9) removable drive carriers
16-Bit SCSI Single-Ended or Ultra160 drive support
Scalable backplane design
Corrosion-resistant steel construction
Four (4) hot-swappable blowers
Two (2) 400W hot-swappable power supplies
Eight-Character scrolling display and control panel
Audible alarm
Status indicators at each bay
External monitoring utility
7-year warranty and free 24/7 technical support

Introduction 5
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
FrontPanel
(Figure 4)
User Interface Module (UIM) - Provides control of drive set-up options while the
8-character LED panel displays system statuses alarms and warnings. Refer to
section "InfoStation User Interface" for further information.
SCA Drive Carrier(s) - Accommodate up to nine (9) 3.5" single-connect SCSI
devices. Backplane design with direct-connect SCA connectors eliminates cable
connections to SCSI drives increases data integrity and supports drive hot
swappability.
LED(s) - Provides the following information:
Drive Ready - Indicates that the drive is properly installed and ready for access.
Drive Activity - Indicates that the drive is being accessed.
Drive Fault - Indicates a drive failure.
Bay Identify LED(s) - Indicate that the drive bay is currently being selected for SCSI
ID set-up (via the InfoStation's User Interface Module).
Insert/Remove Push Button(s) - Allow the drive carrier(s) to be removed and
installed at anytime.
Chassis Handle(s) - Provide a sturdy grip for the installation and removal of the rack
mount chassis.
Figure 4: InfoStation Front Pane
Bay Identify
LED Insert/Remove Push Button
LEDs
Drive
Ready Drive Fault
Drive
Activity
User Interface
odule
IFS_4
SCA Drive
Carrier Drive Carrier Release Button
Drive Carrier
Handle Chassis Handle

6Introduction
StorCase Technology Inc. InfoStation User's Guide - Rev. B01
RearPanel
(Figure 5)
 Ultra160 I/O Repeater Module(s) - Enhances drive signal quality. Additional I/O
repeater modules are optional for a total of four (4) Ultra160 channels. Refer to
Appendix B for further information.
Repeater Module LED(s) -
Error LED (Amber) - Flashing indicates a detection in either:
1. Over temperature
2. Low termination voltage
3. Invalid differential voltage
Activity LED (Green) - ON indicates that activity is present
OFF indicates that there is no activity present
Refer to the UIM or InfoMon for detailed information on repeater module status.
 I/O Blank Plate(s) - May be removed when installing additional I/O Repeater
modules.
 Module Handle(s) - Provide a sturdy grip for the installation and removal of the
InfoStation modules.
WARNING: DO NOT USE MODULE HANDLES TO LIFT CHASSIS! These
handles are specifically designed for the installation and re-
moval of modules only!
Blower Module(s) - Dual redundant hot swappable modules each with two (2)
high-pressure blowers inside provide ample cooling for high speed drives (79 CFM
each module). Each module features blower fault detection total usage hours and
self-adjusting blowers for optimal cooling performance.
Blower Module LED(s) -
Green LED - Steady glow indicates normal blower operation.
Red LED - Flashing indicates at least one blower failure.

Introduction 7
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
Figure 5: InfoStation Rear Pane
 Power Supply Module(s) - Two (2) 400W redundant hot swappable power
supply modules. Each module features overvoltage and overcurrent protection total
usage hours and power supply fault detection.
Power Supply Module LED(s) -
Green LED - Steady glow indicates normal power supply operation.
No glow indicates no A/C power or abnormal DC voltage
range.
Red LED - Flashing indicates temperature or over/undervoltage condi-
tions.
 Power Switch(es) - Rocker switch(es) control power to the power supply
module(s).
 A/C Power In - Accepts U.S. and other available international standard power
cables.
 Module Option - Allows the installation of future StorCase upgrade products such
as optional RAID controller modules and support for Fibre host interfaces and/or
(with a Fibre backplane version of the InfoStation) Fibre drives. Upgrade modules
providing remote diagnostics capabilities and SAF-TE SES or SNMP compliance are
also anticipated InfoStation options.
Blower
odule Power Supply
odule
A/C
Power In
odule
Handle
LVD I/O
Repeater
odule
Power
Switch
Power Supply
odule LEDs
Blower
odule
LEDs
I/O Blank
Plate odule Option
IFS_5
Repeater
odule LEDs

8 InfoStation User Interface
StorCase Technology Inc. InfoStation User's Guide - Rev. B01
INFOSTATION USE INTE FACE
CAUTION: The User Interface Module contains NO USER SERVICEABLE PARTS in-
side the unit. Warranty is VOID if modu e is opened. Refer all servicing
to qualified service personnel!
The StorCase InfoStation is an intelligent external expansion chassis. Each InfoStation is
equipped with a comprehensive User Interface (UI) which provides chassis status based on
several internal environmental sensors. This section describes the InfoStation UI features and
functions.
The UI has two (2) main functions:
1. To display the enclosure's environmental status and indicate alarm conditions
2. To interact with the User to select drive bay SCSI IDs and the Enclosure ID
The UI is comprised of the following two components:
1. Display and Control Panel
2. Drive Bay Indicators and Switch Panels (9 total)
Display and Control Panel
(Figure 6)
The InfoStation Display and Control Panel provides an 8-character scrolling display system
status LEDs and control buttons (which allow the User to select system drive bay SCSI IDs
Enclosure ID etc.) and also to view up-to-date chassis environmental conditions.
Figure 6: Disp ay and Contro Pane
aster
Reset
Switch
RJ45
Connector
(Serial Port)
System
Error
LED
Buzzer
ute
LED
Drive
Shutdown
Override
LED
Cancel
Button
Enter
Button
Scroll
Down
Button
Scroll
Up
Button LED
Display
Hidden
Buzzer
Shutdown
Override
Switch
IFS_6

InfoStation User Interface 9
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
Table 1: Display and Control Panel Components
NOTE: Alarm conditions cannot be reset! An alarm condition will automatically reset when
the status of the failed component returns to normal.

10 InfoStation User Interface
StorCase Technology Inc. InfoStation User's Guide - Rev. B01
T e m p : x x C
The UI Module (together with the drive bay blower power supply and repeater modules)
provides the following enclosure monitoring and control capabilities:
1. Average internal temperature and the ambient external temperature of the InfoStation
chassis
2. InfoStation system 5V and 12V readings
3. SCSI mode for each channel - LVD SE or NC (Not Connected)
4. SCSI mode for each RAID channel - LVD SE or NC
5. Buzzer enable/disable
6. Drive bay SCSI ID set-up
7. Drive bay spin-up options set-up
8. Start-up banner set-up
9. Enclosure ID set-up
10. Serial port set-up
11. Variable fan speed levels
12. SAF-TE SCSI ID set-up
Default Display Mode
After the InfoStation's start up sequence the front panel display will show the temperature
inside the enclosure. Under normal operation the display shows the average temperature
of the enclosure:
This display mode shows the enclosure's average temperature reading with xx representing
the degrees in Celsius. The colon (:) will blink indicating that the InfoStation monitoring circuitry
is working.
NOTE: This display will be referred to as the Factory-Defau t Disp ay.

InfoStation User Interface 11
InfoStation User's Guide - Rev. B01 StorCase Technology Inc.
B A N N E R
At the Factory-Default Display the user can view the User-Selectable Default Displays
(shown below) by simply using the UP/DOWN keys (refer to section "InfoStation Menu
System" on page 12 for further information).
h h : m m z
This display shows the time maintained by the InfoStation. hh represents the hour and mm
is the minute. z represents A or P in the 12-hour time format (or blank if in the 24-hour time
format). The colon (:) will blink indicating that the INFOSTATION monitoring circuitry is working.
NOTE: The 24-hour time format is factory-default. To change into the 12-hour time
(AM/PM) format the InfoMon software must be used (refer to the InfoMon User's
Guide for further information).
This display shows either the factory-default banner (StorCase) or a user-defined one. A
user-defined banner can be up to 8-characters long. The banner can be set with either the
UI Module (refer to section "Banner Set-Up" on page 24 for further information) or via the
InfoMon software (refer to the InfoMon User's Guide for further information).
E n c I D : x x
This display shows the enclosure ID with xx representing the ID number. The colon (:) will
blink indicating that the InfoStation monitoring circuitry is working.