EMC DLm120, DLm4080, DLm4020, DLm960 Planning Manual

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EMC® Disk Library for mainframe
Physical Planning Guide
P/N 300-009-100
REV A03
EMC Corporation
Corporate Headquarters
Hopkinton, MA 01748
1
-508-435-1000
www.EMC.com
-9103
:
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Copyright © 2010 EMC Corporation. All rights reserved.
Published October, 2010
EMC believes the information in this publication is accurate as of its publication date. The information is subject to change without notice.
THE INFORMATION IN THIS PUBLICATION IS PROVIDED “AS IS.” EMC CORPORATION MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Use, copying, and distribution of any EMC software described in this publication requires an applicable software license.
For the most up-to-date regulatory document for your product line, go to the Technical Documentation and Advisories section on EMC Powerlink.
For the most up-to-date listing of EMC product names, see EMC Corporation Trademarks on EMC.com.
All other trademarks used herein are the property of their respective owners.
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Warnings and Cautions
Preface
Chapter 1 Physical Planning
Planning overview............................................................................ 18
DLm system presite considerations ............................................... 19
DLm120 ....................................................................................... 19
DLm960 ....................................................................................... 19
DLm4020 ..................................................................................... 19
DLm4080 ..................................................................................... 20
General considerations ............................................................. 20
Other requirements ................................................................... 20
Other considerations ........................................................................ 22
Environmental specifications................................................... 22
System host cabling requirements........................................... 22
Remote support.......................................................................... 22
Planning for upgrades .............................................................. 23

Contents

Chapter 2 System Configuration and Host Connectivity
DLm120 overview............................................................................. 26
DLm120 system.......................................................................... 26
DAE.............................................................................................. 27
Modems....................................................................................... 27
DLm960 overview............................................................................. 28
VTEC bay .................................................................................... 28
NAS bay ...................................................................................... 29
NAS expansion bay ................................................................... 29
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Contents
Storage bay ................................................................................. 29
DAE ............................................................................................. 29
Modems ...................................................................................... 30
DLm4020 overview .......................................................................... 31
DLm4020 system........................................................................ 31
DAE ............................................................................................. 32
Modems ...................................................................................... 32
DLm4080 overview .......................................................................... 33
System bay.................................................................................. 33
Storage bay ................................................................................. 34
NAS Expansion bay .................................................................. 34
DAE ............................................................................................. 34
Modems ...................................................................................... 34
Installation information................................................................... 36
Chapter 3 Physical and Environmental Specifications
Physical data...................................................................................... 38
Environmental data.......................................................................... 39
Air flow ....................................................................................... 39
Environment acclimation ......................................................... 39
Power and cooling data............................................................ 41
Chapter 4 System Placement
Placement options............................................................................. 44
DLm120 configuration floor cutouts ...................................... 44
DLm960 configuration floor cutouts ...................................... 45
DLm4020 configuration floor cutouts .................................... 45
DLm4080 configuration floor cutouts .................................... 47
Chapter 5 Power Requirements
DLm power requirements ............................................................... 50
Single-phase power extension cords and connectors............54
DLm touch current compliance...................................................... 59
Regulatory compliance .................................................................... 60
Choosing a UPS................................................................................. 61
Index
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Figures

Ti tle Page
1 Cable connection for DLm960 ...................................................................... 30
2 Cable connection for DLm120, DLm4080, and DLm4020 ........................ 35
3 DLm120 configuration floor cutout............................................................. 44
4 DLm960 configuration floor cutout............................................................. 45
5 DLm4020 configuration floor cutout........................................................... 46
6 DLm4080 configuration floor cutout........................................................... 47
7 Caster and leveler dimensions ..................................................................... 48
8 Power distribution cabling — DLm120 and DLm4020............................. 51
9 Power distribution cabling —DLm960 ....................................................... 52
10 Power distribution cabling — DLm4080 .................................................... 53
11 EMC model number DLmP40U-60-US cable description........................ 55
12 DLm120 bay, DLm960 VTEC, and storage bays single-phase cabling... 56
13 DLm960 NAS and NAS expansion bays single-phase cabling................ 57
14 DLm4020 single-phase cabling..................................................................... 57
15 DLm4080 system and storage bays single-phase cabling ........................ 58
16 DLm4080 expansion storage and storage bays single-phase cabling..... 58
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Figures
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Tables

Ti tle Page
1 Pre-installation responsibility summary...................................................... 18
2 External dependencies information.............................................................. 36
3 DLm physical specification for single bay................................................... 38
4 DLm environmental data............................................................................... 39
5 Environmental requirements for shipping and storage............................ 39
6 Environmental acclimation............................................................................ 40
7 DLm120 power consumption and heat dissipation ................................... 41
8 DLm960 power consumption and heat dissipation ................................... 41
9 DLm4020 power consumption and heat dissipation................................. 41
10 DLm4080 power consumption and heat dissipation ................................. 41
11 North American, single-phase, electrical specifications............................ 50
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Tab les
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The following warnings and cautions pertain throughout this guide.
War ning Trained service personnel only.
This EMC product has more than one power supply cord. To reduce the risk of electric shock, disconnect all power supply cords before servicing.
Ground-circuit continuity is vital for safe operation of the machine. Never operate the machine with grounding conductors disconnected. Remember to reconnect any grounding conductors removed for or during any installation procedure.
Attention Resérvé au personnel autorisé.

Warnings and Cautions

Cet appareil EMC comporte plus d'un cordon d'alimentation. Afin de prévenir les chocs électriques, débranchez tous les cordons d'alimentation avant de faire le dépannage.
Un circuit de terre continu est essentiel en vue du fonctionnement sécurisé de l'appareil. Ne mettez jamais l'appareil en marche lorsque le conducteur de mise à la terre est débranché.
Warnung Nur für authorisiertes Fachpersonal.
Dieses EMC Produkt verfügt über mehrere elektrische Netzanschlüsse. Zur Vermeidung eines elektrischen Schlages sind vor Servicearbeiten an der Stromversorgung alle Netzanschlüsse. zu trennen.
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Warnings and Cautions
WARNING
WARNING
WARNING
CAUTION
!
Kontinuierliche Erdung ist notwendig während der gesamten Betriebsdauer des Gerätes. Es ist unzulässig das Gerät ohne Erdung zu betreiben. Gerät muss geerdet werden, bevor es am Stromnetz angeschlossen wird.
Additional warnings
and cautions
Before attempting to service the EMC hardware described in this document, observe the following additional Warnings and Cautions:
The hardware enclosure contains no user-serviceable parts, so it should not be moved or opened for any reason by untrained persons. If the hardware needs to be relocated or repaired, only qualified personnel familiar with safety procedures for electrical equipment and EMC hardware should access components inside the unit or move the unit.
This product operates at high voltages. To protect against physical harm, power off the system whenever possible while servicing.
In case of fire or other emergency involving the EMC product, isolate the product’s power and alert appropriate personnel.
Trained personnel are advised to exercise great care at all times when working on EMC hardware. Remember to:
Remove rings, watches, or other jewelry and neckties before you begin
any procedures.
Use caution near any moving part and any part that may start
unexpectedly such as fans, motors, solenoids, etc.
Always use the correct tools for the job.
Always use the correct replacement parts.
Keep all paperwork, including incident reports, up to date, complete,
and accurate.
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Warnings and Cautions
CAUTION
!
Static precautions EMC incorporates state-of-the-art technology in its designs, including
the use of LSI and VLSI components. These chips are very susceptible to damage caused by static discharge and need to be handled accordingly.
Before handling printed circuit boards or other parts containing LSI and/or VLSI components, observe the following precautions:
Store all printed circuit boards in antistatic bags.
Use a ground strap whenever you handle a printed circuit board.
Unless specifically designed for non disruptive replacement, never
plug or unplug printed circuit boards with the power on. Severe component damage may result.
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Warnings and Cautions
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Preface

This document provides information about the physical and environmental requirements, floor placement, connectivity, and power requirements to plan the installation of DLm systems.
As part of an effort to improve and enhance the performance and capabilities of its product lines, EMC periodically releases revisions of its hardware and software. Therefore, some functions described in this document may not be supported by all versions of the software or hardware currently in use. For the most up-to-date information on product features, refer to your product release notes.
If a product does not function properly or does not function as described in this document, please contact your EMC representative.
This manual is part of the documentation set for the EMC Disk Library for mainframe (DLm) system and is intended for customers, including the system administrators, the customer’s electrician, and EMC Sales and Customer Support personnel involved in planning the installation of DLm systems.
Chapter 1, “Physical Planning,” provides an overview of the physical
planning for the DLm systems.
Chapter 2, “System Configuration and Host Connectivity,”provides
an overview of the connectivity for the DLm systems.
Chapter 3, “Physical and Environmental Specifications,” explains the
physical and environmental requirements for DLm systems.
Chapter 4, “System Placement,” provides the suggested system floor
placement for DLm systems.
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Preface
CAUTION
!
WARNING
DANGER
Chapter 5, “Power Requirements,” provides the power requirements
and information about connecting the DLm systems to a customer’s source PDU.
Related documentation:
EMC Disk Library for mainframe User Guide
EMC Disk Library for mainframe Release Notes
For more information on all DLm-related publications, contact your EMC Sales Representative or refer to the EMC Powerlink website at:
http://Powerlink.EMC.com > Navigator > Disk Library Tools
Conventions used in
this guide
EMC uses the following conventions for notes, cautions, warnings, and danger notices.
Note: A note presents information that is important, but not hazardous.
A caution contains information essential to avoid data loss or damage to the system or equipment. The caution may apply to hardware or software.
A warning contains information essential to avoid hazardous situations that can cause severe personal injury, death, or substantial property damage if you ignore the warning.
A danger notice contains information essential to avoid hazardous situations that will cause severe personal injury, death, or substantial property damage if you ignore the message.
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Preface
Typographical
conventions
EMC uses the following type style conventions in this document:
Normal
Bold
Italic
Courier
Courier bold
Courier, italic
Courier, bold, italic
< >
[ ]
|
{ }
...
Used in running (nonprocedural) text for:
Names of interface elements (such as names of windows, dialog boxes, buttons, fields, and menus)
Names of resources, attributes, pools, Boolean expressions, buttons, DQL statements, keywords, clauses, environment variables, functions, utilities
URLs, pathnames, filenames, directory names, computer names, filenames, links, groups, service keys, file systems, notifications
Used in running (nonprocedural) text for:
Names of commands, daemons, options, programs, processes, services, applications, utilities, kernels, notifications, system calls, man pages
Used in procedures for:
Names of interface elements (such as names of windows, dialog boxes, buttons, fields, and menus)
What user specifically selects, clicks, presses, or types
Used in all text (including procedures) for:
Full titles of publications referenced in text
Emphasis (for example a new term)
Variables
Used for:
System output, such as an error message or script
URLs, complete paths, filenames, prompts, and syntax when shown outside of running text
Used for:
Specific user input (such as commands)
Used for:
Arguments used in examples of command-line syntax
Variables in examples of screen or file output
Variables in path names
Variables used in a command-line sample
Angle brackets enclose parameter or variable values supplied by the user
Square brackets enclose optional values
Vertical bar indicates alternate selections - the bar means “or”
Braces indicate content that you must specify (that is, x or y or z)
Ellipses indicate nonessential information omitted from the example
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Preface
Where to get help EMC support, product, and licensing information can be obtained as
follows.
Product information — For documentation, release notes, software updates, or for information about EMC products, licensing, and service, go to the EMC Powerlink website (registration required) at:
http://Powerlink.EMC.com
Technical support — For technical support, go to EMC Customer Support on Powerlink. To open a service request through Powerlink, you must have a valid support agreement. Please contact your EMC sales representative for details about obtaining a valid support agreement or to answer any questions about your account.
Your comments
Your suggestions will help us continue to improve the accuracy, organization, and overall quality of the user publications. Please send your opinion of this guide to:
techpubcomments@EMC.com
If you have issues, comments, or questions about specific information or procedures, please include the title and, if available, the part number, the revision (for example, A02), the page numbers, and any other details that will help us locate the subject you are addressing.
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1
nvisible Body Tag

Physical Planning

This chapter covers the tasks to be completed when planning an installation of DLm systems at the customer site. Read the information and follow the procedures in the order documented in this chapter:
Planning overview............................................................................. 18
DLm system presite considerations ................................................ 19
Other considerations ......................................................................... 22
Physical Planning
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Physical Planning

Planning overview

Tab le 1 Pre-installation responsibility summary
This section provides an overview of the planning requirements for EMC® Disk Library for mainframe (DLm) installation. It reviews EMC’s responsibilities and outlines customer’s responsibilities.
Note: Inform EMC of any labor union-based restrictions or security clearance requirements prior to delivery.
The DLm systems must be installed in a properly equipped computer room, with controlled temperature and humidity, proper airflow and ventilation, proper power and grounding, system cable routing facilities, fire equipment, and so on. Although a raised floor is not required, it is recommended. One or more planning sessions with your EMC Systems Engineer and EMC Customer Support Representative will be necessary to close all the details related to installation. Table 1 on p ag e 18 lists the responsibility summary at the first planning session.
EMC Customer
Provide all details necessary for site planning and preparation. Provide an environment that supports safe installation of the
Complete and process the Installation Planning Task Sheet and Presite Survey.
Arrange for shipment and delivery through an appropriate method.
Install a properly working system.
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DLm system and promotes its reliable long-term operation.
Provide appropriate modem phone line, power, cooling and ventilation, humidity control, floor load capability, and service clearances as required.
Participate in planning sessions as required to ensure a smooth and uncomplicated installation.
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DLm system presite considerations

When planning the installation site for your DLm system, meet with your EMC representative to complete the presite plan.
Physical Planning

DLm120

DLm960

DLm120 is a one-bay solution.
When fully configured, the weight of the DLm120 system is 1248 lb (567.2 kg).
The maximum weight of the bay caster is 444.6 lb (201.7 kg).
DLm960 contains one VTEC bay, one NAS bay, an optional NAS expansion bay, and up to ten storage bays.
When fully configured, the weight of each bay is:
VTEC bay — 874 lb (397.2 kg)
NAS bay — 1330 lb (604.5 kg)
Storage bay — 1400 lb (636.4 kg)
The maximum weight per bay caster is:
VTEC bay — 520 lb (235.9 kg)
NAS bay — 501 lb (227.3 kg)
Storage bay — 535 lb (242.7 kg)
Note: The weight of NAS expansion bay is same as that of the NAS bay.

DLm4020

DLm4020 is a one-bay solution.
When fully configured, the weight of the DLm4020 bay is 1257 lb (575.6 kg).
The maximum weight of the bay caster is 444.6 lb (201.7 kg).
DLm system presite considerations
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Physical Planning

DLm4080

General considerations

DLm4080 contains one system bay, one expansion storage bay, and up to five storage bays.
When fully configured, the weight of each bay is:
System bay — 1380 lb (627.3 kg)
Storage bay — 1330 lb (604.5 kg)
Expansion storage bay — 1400 lb (636.4 kg)
The maximum weight per bay caster is:
System bay — 520 lb (235.9 kg)
Storage bay — 501 lb (227.3 kg)
Expansion storage bay — 535 lb (242.7 kg)
Before installing the DLm system at your site, consider these factors:
Weight capacities of the service elevator if delivery is to another
floor
Availability of an equipment ramp if the receiving floor is not on
level with computer room floor
Note: All portions of the bay should clear ramp and threshold slopes up to 1:10 (rise to run ratio), per Code of Federal Regulations – ADA Standards for Accessible Design, 28 CFR Part 36.

Other requirements

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EMC Disk Library for mainframe Physical Planning Guide
Weight capacities of the loading dock
Weight capacities of the tailgate
Other requirements are:
Appropriate floor covering required for protection
Direct dial-up phone line (for remote support) within six feet (two
meters) of the unit
Hardware power requirements
“Environmental data” on page 39 specifies the power requirements
for DLm bays.
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Physical Planning
Physical specifications
Transportation and delivery guidelines
Chapter 3, “Physical and Environmental Specifications,” provides
overall system dimensions for the DLm systems.
Mode of transport guidelines:
For a DLm system delivered within the United States or Canada,
EMC recommends an air-ride truck. The DLm system is wrapped in custom-designed shipping material, crated, and palletized.
For a DLm system delivered internationally, EMC recommends
shipment by air freight. Unless otherwise instructed, the EMC Traffic Department arranges for delivery directly to the customer’s computer room.
To ensure successful delivery of DLm systems, EMC has formed partnerships with specially selected moving companies. These companies have moving professionals trained in the proper handling of large, sensitive systems. These companies provide the appropriate personnel, floor layouts, and any ancillary moving equipment required to facilitate delivery.
DLm system presite considerations
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Physical Planning
CAUTION
!

Other considerations

Install the DLm in a properly equipped and well-ventilated computer room.

Environmental specifications

System host cabling requirements

Layout and space recommendations

Remote support

DLm requires the environmental specifications outlined in
“Environmental data” on page 39. Ensure that the site meets or
exceeds the specifications listed for both nonraised floor and raised floor environments.
The Presite Survey, completed with the EMC Systems Engineer, reports the Fibre connection (FICON) or Enterprise Systems Connection (ESCON) cable lengths required for each host connection to the DLm. From a physical planning perspective, review the routing paths from the hosts to the DLm system. Resolve any physical access issues prior to installation day.
Layout and space considerations are described in “Placement
options” on page 44.
When moving the DLm bays down an incline, the rear of the bay must go first and when moving up an incline, the rear of the bay must go last.
Remote support is an important and integral part of the EMC customer service and support strategy. Communication between the EMC Customer Support Center and the DLm occurs either through IP connections to the customer's local area network, or through the external serial modem connected to the DLm, which requires customers to provide one dedicated phone line for the modem.
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Physical Planning
DLm supports one modem in each of its ACPs and control stations. These sections provide more information on the modems DLm supports:
DLm120 — “Modems” on page 27
DLm960 — “Modems” on page 30
DLm4020 — “Modems” on page 32
DLm4080 — “Modems” on page 34
Note: You do not need a separate phone line for each modem. You can move phone lines between modems connected to ACPs and Control Stations as needed.

Planning for upgrades

When planning for upgrades, consider space, power, and environmental concerns.
Other considerations
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Physical Planning
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2
System Configuration
and Host Connectivity
This chapter covers the configurations and host connectivity of the DLm system:
DLm120 overview.............................................................................. 26
DLm960 overview.............................................................................. 28
DLm4020 overview............................................................................ 31
DLm4080 overview............................................................................ 33
Installation information .................................................................... 36

System Configuration and Host Connectivity

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System Configuration and Host Connectivity
CAUTION
!

DLm120 overview

The DLm120 configuration contains just one bay. A fully configured DLm120 contains five storage DAEs (excluding vault DAE) with approximately 47.5 TB of usable storage.
The DLm120 system equipment enclosures and power system are designed to support DLm120 system equipment only. EMC does not support any other components in the DLm120 system enclosure, and recommends that you do not install any additional equipment in the DLm120 bay.

DLm120 system

The DLm120 system contains the following:
Two AC P s
Up to two VTEs:
• FICON or ESCON channel adapters
• AHA363 compression adapters (FICON VTE only)
Two 1 Gb Ethernet switches
Four external EMC International modems
One network server (NS120) and one storage array with two
Storage Controllers (Data Movers), two Control Stations, two storage processors, dual standby power supplies, one to five storage DAEs, and one boot DAE
The DLm120 system has two power zones with independent power cables — one for each side, capable of powering the fully configured DLm120 rack.
Power requirements for the DLm system are specified in Chapter 5,
“Power Requirements”
Note: Channel extenders are not supported.
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System Configuration and Host Connectivity
DAE

Modems

Each storage DAE includes:
Fifteen 1 TB SATA II disk drives
Two Link Control Cards (LCC)
Redundant power supplies
The boot DAE includes:
Six FC drives
Two link control cards (LCC)
Redundant power supplies
DLm120 ships with four modems. ACPs and Control Stations support one modem each. Each DLm network server supports two Control Stations. A DLm120 is configured with two ACPs and one network server.
DLm120 overview
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System Configuration and Host Connectivity
CAUTION
!

DLm960 overview

The DLm960 configurations are composed of combinations of one VTEC bay, one NAS bay, one optional NAS expansion bay, and a maximum of ten storage bays.
A fully configured DLm960 with expansion storage contains 126 storage disk-array enclosures (DAE) with approximately 1197 TB of usable storage.
All DLm960 bays have two power zones with independent power cables, each zone capable of powering a fully configured bay
Chapter 5, “Power Requirements” contains specifications for DLm
power requirements.
The DLm960 VTEC, NAS, and storage bay equipment enclosures and power systems are designed to support DLm960 system equipment only. EMC does not support any other components in these bays, and recommends that you do not install any additional equipment in the DLm960 bays.

VTEC bay

The DLm960 VTEC bay contains the following:
Two AC P s
Up to six VTEs
Switches:
• Two 1 Gb Ethernet switches
• Two 10 Gb Ethernet switches
Note: Channel extenders are not supported.
The VTEC bay requires two power connections.
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System Configuration and Host Connectivity

NAS bay

NAS expansion bay

The DLm960 NAS bay contains:
One network server (NS960) and integrated storage arrays
comprising:
• Two to six Storage Controllers (Data Movers)
• Two Control Stations
• Two storage processors — SPA and SPB
• Dual standby power supplies
Up to three DAEs (excluding Vault DAE)
The NAS bay requires four power connections.
The DLm960 NAS Expansion bay contains one network server (NS960) and integrated storage arrays comprising:
Two to six Storage Controllers (Data Movers)
Two Control Stations
Two storage processors — SPA and SPB
Dual standby power supplies
Up to three DAEs (excluding Vault DAE)
The expansion bay requires four power connections.

Storage bay

DAE
The DLm960 storage bay is configured with up to 12 storage DAEs. The Storage bay requires two power connections.
Each storage DAE includes:
Fifteen 1 TB SATA II disk drives
Two LCCs
Redundant power supplies
The boot DAE includes:
Six Fibre Channel (FC) drives
Two LCCs
Redundant power supplies
DLm960 overview
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System Configuration and Host Connectivity
ACP
Phone
ACP
VTE
VTE
VTE
VTE
VTE
VTE
IP Control
Ficon
IP Replication
240 VAC
GEN-001200
Control Station
Control Station
Data Mover
Data Mover
Data Mover
Data Mover
Data Mover
Data Mover

Modems

DLm960 ships with four to six modems. ACPs and Control Stations support one modem each. Each DLm network server supports two Control Stations. Therefore, a DLm960 system, with a minimum configuration of two ACPs and one network server, ships with four modems. A DLm960 system with an additional network server (NAS expansion bay) has six modems.
Figure 1 on page 30 shows the cable connection for DLm960 and Figure 2 on page 35 shows the cable connection for DLm120,
DLm4080, and DLm4020.
30
Figure 1 Cable connection for DLm960
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DLm4020 overview

CAUTION
!
System Configuration and Host Connectivity
The DLm4020 configuration comprises just one bay. A fully configured DLm4020 contains five storage DAEs (excluding Vault DAE) with approximately 47.5 TB of usable storage, where each storage DAE contains 9.5 TB of storage.
The DLm4020 system has two power zones with independent power cables. Each zone is capable of powering the fully configured DLm4020 rack.
Chapter 5, “Power Requirements” specifies the power requirements
for the DLm4020.
The DLm4020 system equipment enclosures and power systems are designed to support DLm4020 system equipment only. EMC does not support any other components in the DLm4020 system enclosure, and recommends that you do not install any additional equipment in the DLm4020 bay.

DLm4020 system

The DLm4020 system contains the following:
Up to two ACPs
Up to two VTEs
Two 1 Gb Ethernet switches
Two ESCON or FICON channels per VTE.
One Low-Voltage Differential (LVD) SCSI to High-Voltage
Differential (HVD) SCSI converter for connection to physical tape devices with HVD SCSI interface
One network server (NS20) and one storage array comprising two
Storage Controllers (Data Movers), two Control Stations, two storage processors, dual standby power supplies, one boot DAE and upto five storage DAEs
DLm4020 overview
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System Configuration and Host Connectivity
DAE

Modems

Each storage DAE includes:
Up to 15 one TB SATA II disk drives
Two LCCs
Redundant power supplies
The boot DAE includes:
6 FC drives
Two LCCs
Redundant power supplies
DLm4020 includes three or four modems. ACPs and Control Stations support one modem each. Each DLm network server supports two Control Stations. Thus aDLm4020 system configured with one ACP and one network server, includes three modems. A system with two ACPs includes an additional modem.
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DLm4080 overview

CAUTION
!
System Configuration and Host Connectivity
The DLm4080 configurations are composed of combinations of one system bay, up to five storage bays, and one optional expansion storage bay.
A fully configured DLm4080 contains 60 storage disk-array enclosures (DAEs) with approximately 570 TB of usable storage. Each DAE is of 9.5 TB of storage.
All DLm4080 bays have two power zones with independent power cables, each zone capable of powering a fully configured bay.
Chapter 5, “Power Requirements” contains specifications for DLm
power requirements.
The DLm4080 system, storage, and expansion storage bay equipment enclosures and power systems are designed to support DLm4080 system equipment only. EMC does not support any other components in these bays, and recommends that you do not install any additional equipment in the DLm4080 bays.

System bay

The DLm4080 system bay contains the following:
One or two ACPs
Up to four VTEs
Two 1 Gb Ethernet switches
Two ESCON or FICON Channels per VTE
One Low-Voltage Differential (LVD) SCSI to High-Voltage
Differential (HVD) SCSI converter for connection to physical tape devices with HVD SCSI interface
One network servers (NS80) and integrated storage array
comprising:
• Two, three, or four Storage Controllers (Data Movers)
• Two Control Stations
• Dual standby power supplies
•Two storage processors
One DAEs (excluding Vault DAE)
DLm4080 overview
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System Configuration and Host Connectivity
DLm4080 System bay requires four power drops.

Storage bay

NAS Expansion bay

DAE
A fully configured DLm4080 has five storage bays in addition to a system bay and a NAS expansion bay. The first storage bay can have up to 13 DAEs. The other storage bays can have up to 10 DAEs each.
The DLm4080 storage bay requires 2 power drops.
The DLm4080 NAS expansion bay contains the following:
One network servers (NS80) and integrated storage array
comprising:
• Two, three, or four Storage Controllers (Data Movers)
• Two Control Stations
• Dual standby power supplies
• Two storage processors
• Up to 6 DAEs (Excluding Vault DAE)
The DLm4080 NAS expansion bay requires four power connections.
Each storage DAE includes:
Up to 15 one TB SATA II disk drives
Two LCCs
Redundant power supplies
34
The boot DAE includes:
6 FC drives
Two LCCs
Redundant power supplies

Modems

Depending on its configuration, DLm4080 includes three to six modems. ACPs and Control Stations support one modem each. Each DLm network server supports two Control Stations. Therefore, with a minimum configuration of one ACP and two Control Stations, DLm includes three modems. An additional ACP, includes four modems, and depending on whether an additional Control Stations is available (Expansion storage bay), five to six modems.
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System Configuration and Host Connectivity
ACP
ACP
VTE
VTE
Control Station
Control Station
Data Mover
Data Mover
Phone
IP Control
Ficon
IP Replication
240 VAC
GEN-001199
Chapter 5, “Power Requirements,” specifies the power requirements
for DLm4080.
Figure 2 on page 35 shows the cable connection for DLm120,
DLm4080, and DLm4020.
Figure 2 Cable connection for DLm120, DLm4080, and DLm4020
DLm4080 overview
35
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System Configuration and Host Connectivity

Installation information

Discuss and obtain the following site profile information from the EMC Sales Representative. Tabl e 2 on pa ge 3 6 lists the external information that is required for configuring DLm systems.
Tab le 2 External dependencies information
Requirements Specifications
Mainframe Software Operating system and version number
Channel Information • Channel type
Configuration Information LPARs which will use DLm
JES2 or JES3
Number of channels
Type of channels: FICON or ESCON
Physical Control Unit Address (CUADD)
Physical Device Addresses (UNITADD)
Device type
Device name-logical device name for VTE display
Tape volume prefix
36
Tape Management System Information
Tape Volume Information Volume serial number range for VTE tapes
Purpose of DLm Number of physical drives that will be replaced by virtual tapes
a.While planning for VOLSER ranges, be aware that EMC supports individual VOLSER ranges of up to 10,000 tape volumes only. But a DLm can support many such VOLSER ranges.
EMC Disk Library for mainframe Physical Planning Guide
Tape Management System
Version
Scratch reports used
Quantity of tape volumes
Mainframe applications that will access the virtual tapes
Backup software that will be used on the VTE
a
Page 37
3
Physical and
Environmental
Specifications
This chapter covers the physical and environmental specifications for DLm:
Physical data....................................................................................... 38
Environmental data ........................................................................... 39

Physical and Environmental Specifications

37
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Physical and Environmental Specifications

Physical data

Table 3 on pa g e 38 lists the DLm physical specifications:
Tab le 3 DLm physical specification for single bay
Description Measurements
Height 76.66 in (194.7 cm)
Width 24.02 in (61.0 cm)
Depth DLm 120/960 41.88 in (106.4 cm)
Depth DLm 4020/4080 41.16 in (104.5 cm)
Clearance for service and airflow
Front 42 in (106.7 cm)
Rear 42 in (106.7 cm)
Top 18 in (45.7 cm)
a. With trim kit (optional) attached.
a
38
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Environmental data

Physical and Environmental Specifications
Table 4 on pa g e 39 provides the environmental data.
Tab le 4 DLm environmental data
Condition Limits
o
Operating temperature 50
Operating altitude (at 32o) 7500 ft (2286 m)
Operating altitude (maximum) 10,000 ft (3048 m) 1.1
Operating humidity 20% to 80% noncondensing
Raised floor environment Recommended but not required
– 90o F (10o to 32o C)
o
derating per 1000 ft

Air flow

Environment acclimation

Air flow for cooling is from front to rear, as shown in Ta b le 5 o n
page 39.
Tab le 5 Environmental requirements for shipping and storage
Condition Setting
o
Ambient temperature -40
Temperature gradient 43.2
Relative humidity 10% to 90% noncondensing
Maximum altitude 35000 ft (10667.6 m)
to 149o F (-40o to 65o C)
o
F/hr (24o C/hr)
A DLm system requires time to become acclimated to a computer room environment before and after you unpack it. Before unpacking the unit, allow it to stabilize for 16 hours. After unpacking the unit, do not apply AC power to it for at least the number of hours specified in Tabl e 6 o n pag e 40.
Environmental data
39
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Physical and Environmental Specifications
Tab le 6 Environmental acclimation
Transit / storage
environment
before applying
power (minimum)
Condition (°F) (°C) %RH
Nominal 68 – 72 20 – 22 < 30% 0 – 1
Cool / Damp < 68 < 20 > 30% 4
Cold / Dry < 68 < 20 < 30% 4
Hot / Dry 72 – 149 22 – 65 < 30% 4
Hot / Humid 72 – 149 22 – 65 30 – 45% 4
72 – 149 22 – 65 45 – 60% 8
72 – 149 22 – 65 60 – 90% 16
Note: The system's environment must have temperature and humidity values that prevent condensation to occur on any system part. Altitude and atmospheric pressure specifications are referenced to a standard day at 58.7°F (14.8°C). Maximum wet bulb temperature is 82°F (28°C).
Hours required
40
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Physical and Environmental Specifications

Power and cooling data

Tab le 7 DLm120 power consumption and heat dissipation
System configuration description aTotal power consumption (kVA) Heat dissipation (Btu/Hr)
DLm120 3.60 11,500
a. System configuration values are calculated for a fully loaded configuration. Contact your EMC Sales
Tab le 8 DLm960 power consumption and heat dissipation
System configuration description aTotal power consumption (kVA) Heat dissipation (Btu/Hr)
VTEC bay 3.20 11,000
Storage bay 4.04 13,200
NAS bay
a. All VTEC bay values are calculated for a fully loaded configuration. Contact your EMC Sales Representative for
b. The power consumption for the NAS expansion bay is the same as the NAS bay.
Table 7 on pa g e 41 , Ta b le 8 o n page 41, Tab l e 9 o n page 4 1 and Table 10 on p age 41 provide details of power consumption and heat
dissipation for DLm120, DLm960, DLm4020, and Dlm4080 systems respectively.
Representative for specific supported configurations.
b
5.72 17,200
specific supported configurations.
Tab le 9 DLm4020 power consumption and heat dissipation
System configuration description aTotal power consumption (kVA) Heat dissipation (Btu/Hr)
DLm4020 with 1 ACP 3.80 12,064
DLm4020 with 2 ACPs 4.01 12,757
a. System configuration values are calculated for a fully loaded configuration. Contact your EMC Sales Representative
for specific supported configurations.
Tab le 10 DLm4080 power consumption and heat dissipation
System configuration description aTotal power consumption (kVA) Heat dissipation (Btu/Hr)
System bay with 1 ACP 4.56 15,100
System bay with 2 ACPs 4.77 15,793
Storage bay 4.38 14,200
Expansion storage bay 4.72 15,300
Environmental data
41
Page 42
Physical and Environmental Specifications
a. All system bay values are calculated for a fully loaded configuration. Contact your EMC Sales Representative for
specific suppor ted configurations.
42
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4

System Placement

This chapter covers the physical placement options that are available for DLm:
Placement options.............................................................................. 44
System Placement
43
Page 44
System Placement
GEN-001149
VTEC bay
41.88 in. Includes front and rear doors
8.00 in.
6.00 in.
24.02 in.
42.00 in.
Service area
42.00 in.
Service area

Placement options

You can install a DLm system on a solid floor or raised floor. Although not required, the raised floor environment is preferred.

DLm120 configuration floor cutouts

Figure 3 DLm120 configuration floor cutout
Figure 3 on page 44 illustrates the configuration and the
recommended floor tile cutouts for the DLm120 configuration. The illustrations assumes that the floor tiles are 24 x 24 in. (61 x 61 cm).
When planning the placement of DLm960:
44
NAS expansion bays are cabled to the VTEC bay using 5-meter
cables and can be up to three bays away from the VTEC bay, with the cabling under a raised floor. The NAS bays may be positioned on either side of the VTEC bay.
The first storage bay connected to the NAS or NAS expansion bay
should not be more than three meters away.
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System Placement
NAS expansion bayNAS bay
Storage bays Storage bays
VTEC bay
42.00 in.
Service area
Front
GEN-001152
41.88 in. Includes front and rear doors
8.00 in.
6.00 in.
24.02 in.
Floor tiles 24 in. sq.
42.00 in.
Service area
Other storage bays are daisy chained together using 8-meter
cables and can be up to five bays away from the NAS or NAS expansion bay with cabling under a raised floor.

DLm960 configuration floor cutouts

DLm960 supports a maximum of 13 bays. Figure 4 on page 45 illustrates the configuration and the recommended floor tile cutouts for the DLm960 configuration. The illustrations assume that the floor tiles are 24 x 24 in. (61 x 61 cm).

DLm4020 configuration floor cutouts

Figure 4 DLm960 configuration floor cutout
Figure 5 on page 46 illustrates the configuration and the
recommended floor tile cutouts for the DLm4020 configuration. The illustrations assume that the floor tiles are 24 x 24 in. (61 x 61 cm).
Placement options
45
Page 46
System Placement
CL4259
System bay
41.16 in. Includes front and rear doors
8.00 in.
6.00 in.
24.02 in.
42.00 in.
Service area
42.00 in.
Service area
46
Figure 5 DLm4020 configuration floor cutout
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System Placement
Front
CL4260
Expansion storage bay Storage baySystem bay
41.16 in. Includes front and rear doors
8.00 in.
6.00 in.
24.02 in.
42.00 in.
Service area
42.00 in.
Service area
Floor tiles 24 in. sq.
Storage bay

DLm4080 configuration floor cutouts

Figure 6 DLm4080 configuration floor cutout.
Figure 6 on page 47 illustrates the configuration and the
recommended floor tile cutouts for the seven-bay DLm configuration. The illustrations assume that the floor tiles are 24 x 24 in. (61 x 61 cm).
When planning the DLm placement for DLm4080, ensure that:
The storage bays are positioned on either side of the system and
the expansion storage bay.
The optional expansion storage bay is positioned next to the
system bay.
In a nonraised floor environment, ensure that the room meets environmental specification requirements. See “Environmental data”
Placement options
on page 39.
47
Page 48
System Placement
GEN-000000
Front
2.55 in.
(6.48 cm)
1.50 in.
(3.81 cm)
1.50 in.
(3.81 cm)
Rear caster
swivel 0.75 in.
(1.90 cm)
any direction (2)
Front caster
fixed (2)
4.19 in.
(10.64 cm)
0.87 in.
(2.21 cm)
3.74 in. (9.50 cm)
4.88 in. (12.40 cm)
Floor tile
cutout
Leveling
foot
0.90 in.
(2.29 cm)
Caster
2.55 in.
(6.48 cm)
Figure 7 on page 48 illustrates Caster and leveler dimensions.
48
Figure 7 Caster and leveler dimensions
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5

Power Requirements

This chapter describes the power requirements for the DLm system configurations. The procedures for connecting customer power to the system are also covered.
The major topics are:
DLm power requirements................................................................. 50
DLm touch current compliance ....................................................... 59
Regulatory compliance...................................................................... 60
Choosing a UPS.................................................................................. 61
Power Requirements
49
Page 50
Power Requirements

DLm power requirements

This section describes the North American electrical specifications, power cables, connectors, and extension cords for a DLm configuration.
Table 11 on page 50 summarizes power requirements specific to a
single bay.
Tab le 11 North American, single-phase, electrical specifications
Specification Requirement
Input voltage 200 V AC to 240 V AC -10%/+10% single-phase
Frequency 50 Hz to 60 Hz
Circuit breakers 30 A
Power zones Two
Power requirements at customer site (for each bay) DLm960/120
Power requirements at customer site (for each bay) DLm4080/4020
Power distribution panel connectors NEMA L6-30P
Four single-phase drops for:
NAS bay
NAS extension bay Two single-phase drops for:
•VTEC bay
Storage bay
DLm120 bay
Four single-phase drops for:
Storage bay (with more than nine DAEs)
Extension storage bay Two single-phase drops for:
Storage bay (with up to nine DAEs)
System bay
DLm4020 bay
Facility power mating receptacle is L6-30R or HBL2621
Before delivery, the customer must supply and install the required receptacles to zone A and zone B power for the DLm bays. Figure 8
on page 51, Figure 9 on page 52 and Figure 10 on page 53 show the
required power cabling for these systems.
50
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Power Requirements
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
Power source A
GEN-001127
Power
source B
(extension cables)
Master
switch
PDP APDP B
Master switch
Figure 8 Power distribution cabling — DLm120 and DLm4020
DLm power requirements
51
Page 52
Power Requirements
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF
O
ON
I
OFF
O
ON
I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
Powe r source A
CL4258
Powe r
source B
Powe r source A
Powe r source C
Powe r
source D
Extension cables
Powe r
source B
Master switch
Master switch
PDP APDP B PDP APDP B
PDP CPDP D
PDP CPDP D
Master
switch
Master
switch
Master switch
Master switch
Extension cables
NAS and NAS expansion bays
VTEC and storage bays
52
Figure 9 Power distribution cabling —DLm960
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ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF
O
ON
I
OFF
O
ON
I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON
I
OFF O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
ON I
OFF
O
Powe r source A
CL0000
Powe r
source B
Powe r source A
Powe r source C
Powe r
source D
(Extension cables) (Extension cables)
Powe r
source B
Master switch
Master switch
PDP APDP B PDP APDP B
PDP CPDP D
PDP CPDP D
Master
switch
Master
switch
Master switch
Master switch
Storage and expansion storage bay System bay
Power Requirements
Figure 10 Power distribution cabling — DLm4080
DLm power requirements
53
Page 54
Power Requirements

Single-phase power extension cords and connectors

Each DLm bay has four single-phase power distribution panel (PDP) assemblies and four power distribution units (PDU).
DLm960 NAS bay and NAS expansion bay require four power drops. The DLm4080 expansion storage bay and DLm4080 storage bay with more than nine DAEs. DLm4080 storage bay with upto nine DAEs requires two power drops.
These bays require two power drops each:
The DLm120 bay
The DLm960 VTEC bay
The DLm960 Storage bays
The DLm4020 bay
The DLm4080 storage bay with up to nine DAEs
For these bays, the upper PDUs are cabled to the lower PDPs in manufacturing.
These bays require four power drops:
54
The DLm960 NAS bay
The DLm960 NAS expansion bay
The DLm4080 system bay
The DLm4080 expansion storage bay
The DLm4080 storage bay with more than nine DAEs
Regardless of the number of power drops required, each DLm bay comes with a DLm power kit that includes two 15-foot power cords and two 21-foot power cords. Assuming a raised floor customer setup, the 21-foot cords are used for the 2 upper PDPs, and the 15-foot cords are used with the two lower PDPs.
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Power Requirements
L6-30R
P1 P2
Y
X
G
X
Y
G
L6-30P
Marker, Label ID
Electrical/Wiring Specification
180.0 in. +/- 6.0 in. (457.2 cm)
Color From To Signal
GEN-001153
BLK P1-X P2-X L
WHT P1-Y P2-Y N
GRN P1-G P2-G GND
Figure 11 on page 55 shows Extension cables for North American
installations. Connector L6-30R connects to the DLm bay connector L6-30P. Connector L6-30P on the other end of cable connects to a customer-supplied L6-30R or HBL2621 coupler. EMC provides similar cable sets with appropriate wiring and couplers for all supported international installations.
Figure 11 EMC model number DLmP40U-60-US cable description
DLm power requirements
55
Page 56
Power Requirements
Figure 12 on page 56 depicts the system wiring for DLm120, DLm960
VTEC bay, and the storage bays. Figure 13 on page 57 illustrates the system wiring for DLm960 NAS and NAS Expansion bays.
Customer
PDU B
L
Location
N
G
Zone B
200-240 V AC
single-phase
50-60 Hz
DLm120
Customer
P D P
BA
P D P
P D P
P D P
PDU A
L
N
Location
G
Zone A
200-240 V AC
single-phase
50-60 Hz
GEN-001148
Figure 12 DLm120 bay, DLm960 VTEC, and storage bays single-phase cabling
56
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Power Requirements
Customer
PDU B
Customer
PDU A
Zone B
200-240 V AC
single-phase
50-60 Hz
Zone A
200-240 V AC
single-phase
50-60 Hz
DLm 960
GEN-001147
Location
Location
BA
L
N
G
L
N
G
Location
Location
30A
circuit
breakers
LG-30R
connectors
30A
circuit
breakers
LG-30R
connectors
D
C
L
N
G
L
N
G
P D P
P D P
P D P
P D P
Customer
PDU B
Zone B
200-240 VAC
single-phase
50-60 Hz
Zone A 200-240 VAC single-phase
50-60 Hz
DLm4020
CL4247
Location
Location
BA
L
N
G
L
N
G
P D P
P D P
P D P
P D P
Customer
PDU A
Figure 13 DLm960 NAS and NAS expansion bays single-phase cabling
Figure 14 on page 57 depicts the system wiring for the DLm4020 bay
and the DLm4080 system bay.
Figure 14 DLm4020 single-phase cabling
DLm power requirements
57
Page 58
Power Requirements
Customer
PDU B
Customer
PDU A
Zone B
200-240 VAC
single-phase
50-60 Hz
Zone A 200-240 VAC single-phase
50-60 Hz
DLm4080
CL0000
Location
Location
BA
L
N
G
L
N
G
P D P
P D P
P D P
P D P
Customer
PDU B
Customer
PDU A
Zone B
200-240 VAC
single-phase
50-60 Hz
Zone A 200-240 VAC single-phase
50-60 Hz
DLm4080
GEN-001208
Location
Location
BA
L
N
G
L
N
G
Location
LG-30R
Connectors
LG-30R
Connectors
30A
circuit
breakers
30A
circuit
breakers
Location
DC
L
N
G
L
N
G
P D P
P D P
P D P
P D P
Figure 15 on page 58 depicts the system wiring for DLm4080 system
and storage bays (with up to nine DAEs) and Figure 16 on page 58 depicts the system wiring for DLm4080 storage (with more than nine DAEs) and expansion storage bays.
Figure 15 DLm4080 system and storage bays single-phase cabling
58
Figure 16 DLm4080 expansion storage and storage bays single-phase cabling
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DLm touch current compliance

CAUTION
!
DLm is designated as a fixed (stationary) electrical equipment with high earth-leakage markings. Connect the cabinets to the customer AC supply with the recommended rated current breakers and the attached cables. “DLm power requirements” on page 50 provides details of recommended circuit breaker ratings. These recommended breaker ratings are based on the maximum kW loading of the cabinet and not on the KVA figures of a particular configuration. The KVA values listed in this manual are intended for air conditioning and utility loading purposes only. “Power and cooling data” on page 41 contains more information.
Do not connect the DLm VTEC bay power supplies on separate Main and Auxiliary circuit panels to differential trip devices. These devices are typically called Ground Fault Circuit Interrupter (GFCI), Ground Fault Interrupter (GFI), Earth Leakage Circuit Breaker (ELCB), or Residual Current Circuit Breakers.
Power Requirements
Because DLm systems are high earth-leakage devices, differential trip devices (typically 30 mA) are not recommended due to random activation during utility feed distortions and power line transients interacting with the cabinet noise filters. These differential devices have trip ratings of 5 mA to 500 mA and are mostly intended for consumer goods rather than fixed devices.
If the DLm cabinet is correctly grounded to the customer’s AC power source, leakage current will not produce a voltage leading to electrical shock. Serious insulation breakdowns will trip the breakers feeding the cabinet or, preferably first clear fuses in individual internal modules closest to the fault.
DLm touch current compliance
59
Page 60
Power Requirements

Regulatory compliance

DLm meets regulatory requirements as referenced by the following UL/IEC/EN 60950 3rd Edition:
5.1.7 Equipment with touch (leakage) current exceeding 3.5mA.
For Stationary Permanently Connected Equipment, or Stationary Pluggable Equipment Type B, having a main protective earthing terminal, if the Touch (Leakage) Current measurements exceed 3.5mA r.m.s., following conditions apply:
• The r.m.s. Protective Conductor Current will not exceed five percent of the input current per line under normal operating conditions. If the load is unbalanced, the largest of the single-phase currents shall be used for this calculation.
To measure the Protective Conductor Current, the procedure for measuring Touch Current is used, but the measuring instrument is replaced by an ammeter of negligible impedance.
• The cross-sectional area of the Protective Bonding Conductor will not be less than 1.0 mm squared in the path of high Protective Conductor Current.
• A label with similar wording shall be affixed adjacent to the equipment AC MAINS SUPPLY connection:
HIGH LEAKAGE CURRENT
Earth connection essential before connecting supply.
60
The DLm configurations are Stationary Pluggable Type B systems, and have been extensively tested and certified to meet the above standard, including the application of the warning label, EMC P/N 046-000-309, in English and French. The label location for the DLm configuration is on the inside of the front door.
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Choosing a UPS

Power Requirements
The VTEC and Storage Controllers (Data Movers) are stateless, so no battery backup is required. In the event of a power failure, the Storage Processor writes contents of the write cache to disk, before shut down. Although DLm does not require a battery backup to ensure data integrity, to avoid potential downtime, purchase a UPS from a qualified vendor.
EMC neither offers nor recommends any specific UPS suppliers or product type to its customers. However EMC uses preferred suppliers for UPS systems in their facilities. Therefore, if you, the customer, are implementing a UPS, EMC recommends the following:
When you are planning the UPS solution for a DLm and the host
system is presently (or will potentially be) protected with a UPS, the battery backup time you propose for the DLm UPS solution should match that of the host system.
The DLm requires independent zone B and zone A power feeds
for each bay.
The UPS should be equipped with an internal output isolation
transformer.
The UPS should be installed as a separately derived AC source
using neutral and ground wiring to preserve the fault tolerance specification of the DLm power system.
Depending on the power requirements for your DLm system
operation, an isolation transformer/stabilizer installed in front of the UPS could further buffer the AC utility environmental factors from reaching DLm. To determine if an isolation transformer/stabilizer is needed, consult a licensed electrician.
Choosing a UPS
61
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Power Requirements
62
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Index

C
cabling requirements 22 Comments 16
D
DLm
environmental specifications 37 Modems 30 power requirements 50 product introduction 26, 28
DLm120
DAE 27 overview 26 placement options 45 system 26
DLm4020 31
DAE 32 Placement options 45 System bay 31
DLm4080
configuration floor cutouts 47 Storage bay 34 System bay 33
DLm960
configuration floor cutouts 47 DAE 29 NAS bay 29 NAS expansion bay 29 overview 28 VTEC bay 28
E
EMC Customer Support Representative 18 EMC Sales and Customer Support 13 environment acclimation 39 environmental data 39
H
heat dissipation 41
I
installation information 36 international shipments 21
O
other considerations
environmental specifications 22 layout and space recommendations 22 system host cabling requirements 22
overview 31
P
physical and environmental specifications 37 physical data 38 placement options 44
expansion storage bay 47 NAS expansion bay 44 solid floor or raised floor 44 storage bay 47 The NAS bays 44 VTEC bay 44
planning overview 18
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Index
airflow and ventilation 18 controlled temperature 18 fire equipment 18 humidity 18
power and grounding 18 power consumption 41 power requirements 49
choosing a UPS 61
regulatory compliance 60 Preface 13 pre-installation responsibility 18 presite considerations 19
DLm120 19
DLm960 19
general considerations 20
other requirements 20
physical specifications 21
transportation and delivery guidelines 21
R
remote support 22
S
system configuration and host connectivity 25 System host cabling
ESCON 22
FICON 22 system placement 43
64
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