First Edition (September 2000)
Part Number 201346-001
Compaq Computer Corporation
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Notice
2000 Compaq Computer Corporation
Compaq, ProLiant, and the Compaq logo Registered in U.S. Patent and Trademark Office.
All other product names mentioned herein may be trademarks or registered trademarks of their
respective companies.
Compaq shall not be liable for technical or editorial errors or omissions contained herein. The
information in this document is subject to change without notice.
The information in this publication is subject to change without notice and is provided "AS IS"
WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF
THIS INFORMATION REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE
LIABLE FOR ANY DIRECT, CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE OR
OTHER DAMAGES WHATSOEVER (INCLUDING WITHOUT LIMITATION, DAMAGES FOR
LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS
INFORMATION), EVEN IF COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. THE FOREGOING SHALL APPLY REGARDLESS OF THE NEGLIGENCE OR
OTHER FAULT OF EITHER PARTY AND REGARDLESS OF WHETHER SUCH LIABILITY
SOUNDS IN CONTRACT, NEGLIGENCE, TORT, OR ANY OTHER THEORY OF LEGAL
LIABILITY, AND NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY
LIMITED REMEDY.
The limited warranties for Compaq products are exclusively set forth in the documentation
accompanying such products. Nothing herein should be construed as constituting a further or additional
warranty.
Compaq ProLiant ML350
Tower-to-Rack Conversion Guide
First Edition (September 2000)
Part Number 201346-001
www.compaq.com
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Contents
About This Guide
Text Conventions.........................................................................................................v
Symbols in Text..........................................................................................................vi
Symbols on Equipment...............................................................................................vi
Important Safety Information ............................................................................vii
Rack Stability .......................................................................................................... viii
Getting Help ............................................................................................................ viii
Compaq Technical Support .............................................................................. viii
Compaq Website..................................................................................................ix
Compaq Authorized Reseller...............................................................................ix
Chapter 1
Preparing the Server
Step 1 Unpacking and Identifying Conversion Kit Contents................................... 1-2
Step 2 Powering Down the Server ........................................................................... 1-4
Step 3 Removing Tower-Specific Chassis Components.......................................... 1-5
Removing the Bezel Door ................................................................................ 1-6
Removing the Feet............................................................................................ 1-7
Removing the Keylock Latch ........................................................................... 1-8
Removing the Drive Cage Cover
(Non-Hot-Plug Hard Drive Models Only)........................................................ 1-9
Removing the Locking Brackets .................................................................... 1-10
Removing the Tower Configuration Panel ..................................................... 1-12
Setting the Rack Configuration System Board Switch ................................... 1-13
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iv Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Preparing the Server
continued
Step 4 Installing Rack-Mountable Specific Chassis Components.......................... 1-14
Installing the Power Switch Cover.................................................................. 1-15
Applying the Hard Drive Labels..................................................................... 1-16
Installing the Rack-Mount Front Panel ........................................................... 1-18
Installing the Drive Cage Cover
(Non-Hot-Plug Hard Drive Models Only) ...................................................... 1-19
Installing Component Rails on the Server ...................................................... 1-20
Installing the Cable Management Arm Bracket.............................................. 1-22
Chapter 2
Rack Installation
Rack Warnings and Precautions............................................................................... 2-2
Server Warnings and Precautions ............................................................................ 2-2
Optimum Environment ............................................................................................ 2-3
Space Requirements.......................................................................................... 2-3
Power Requirements ......................................................................................... 2-4
Grounding Requirements .................................................................................. 2-4
Temperature Requirements............................................................................... 2-5
Airflow Requirements....................................................................................... 2-6
Step 1 Securing the Mounting Hardware to the Server and Rack ............................ 2-7
Marking with the Template............................................................................... 2-8
Inserting Cage Nuts into the Rack Frame ......................................................... 2-9
Securing the Slide Rail to the Mounting Bracket............................................ 2-10
Installing the Mounting Bracket Slide Assembly ........................................... 2-12
Step 2 Installing the Server into the Rack .............................................................. 2-14
Step 3 Installing the Cable Management Arm ....................................................... 2-16
Step 4 Cabling the Server....................................................................................... 2-18
Appendix A
Electrostatic Discharge (ESD) Information
Preventing Electrostatic Damage ............................................................................ A-1
Index
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About This Guide
This guide is designed to be used as step-by-step instructions for installation
and as a reference for operation, troubleshooting, and future upgrades.
Text Conventions
This document uses the following conventions to distinguish elements of text:
Keys Keys appear in boldface. A plus sign (+) between
two keys indicates that they should be pressed
simultaneously.
USER INPUT User input appears in a different typeface and in
uppercase.
FILENAMES File names appear in uppercase italics.
Menu Options, These elements appear in initial capital letters.
Command Names,
Dialog Box Names
COMMANDS, These elements appear in uppercase.
DIRECTORY NAMES,
and DRIVE NAMES
Type When you are instructed to type information, type
the information without pressing the Enter key.
Enter When you are instructed to enter information, type
the information and then press the Enter key.
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vi Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Symbols in Text
These symbols may be found in the text of this guide. They have the following
meanings.
WARNING: Text set off in this manner indicates that failure to follow directions
in the warning could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or loss of information.
IMPORTANT: Text set off in this manner presents clarifying information or specific
instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or interesting points
of information.
Symbols on Equipment
The following symbols may be placed on equipment to indicate the presence
of potentially hazardous conditions:
This symbol in conjunction with any of the following symbols indicates the
presence of a potential hazard. The potential for injury exists if warnings
are not observed. Consult your documentation for specific details.
This symbol indicates the presence of hazardous energy circuits or electric
shock hazards. Refer all servicing to qualified personnel.
WARNING: To reduce the risk of injury from electric shock hazards, do not
open this enclosure. Refer all maintenance, upgrades, and servicing to
qualified personnel.
This symbol indicates the presence of electric shock hazards. The area
contains no user or field serviceable parts. Do not open for any reason.
WARNING: To reduce the risk of injury from electric shock hazards, do
not open this enclosure.
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About This Guide vii
This symbol on an RJ-45 receptacle indicates a network interface
connection.
WARNING: To reduce the risk of electric shock, fire, or damage to the
equipment, do not plug telephone or telecommunications connectors into
this receptacle.
This symbol indicates the presence of a hot surface or hot component. If
this surface is contacted, the potential for injury exists.
WARNING: To reduce the risk of injury from a hot component, allow the
surface to cool before touching.
These symbols on power supplies or systems indicate the
equipment is supplied by multiple sources of power.
WARNING: To reduce the risk of injury from electric shock,
remove all power cords to completely disconnect power from
the system.
This symbol indicates that the component exceeds the recommended
weight for one individual to handle safely.
Weight in kg WARNING: To reduce the risk of personal injury or damage to the
Weight in lb equipment, observe local occupational health and safety requirements and
guidelines for manual material handling.
Important Safety Information
Before installing this product, read the Important Safety Information document
provided.
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viii Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Rack Stability
WARNING: To reduce the risk of personal injury or damage to the equipment,
be sure that:
I The leveling jacks are extended to the floor.
I The full weight of the rack rests on the leveling jacks.
I The stabilizing feet are attached to the rack if it is a single rack installation.
I The racks are coupled together in multiple rack installations.
I Only one component is extended at a time. A rack may become unstable if
more than one component is extended for any reason.
Getting Help
If you have a problem and have exhausted the information in this guide, you
can get further information and other help in the following locations
Compaq Technical Support
In North America, call the Compaq Technical Phone Support Center at
1-800-OK-COMPAQ. This service is available 24 hours a day, 7 days a week.
For continuous quality improvement, calls may be recorded or monitored.
Outside North America, call the nearest Compaq Technical Support Phone
Center. Telephone numbers for worldwide Technical Support Centers are
listed on the Compaq website. Access the Compaq website by logging on to
the Internet at
http://www.compaq.com
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About This Guide ix
Be sure to have the following information available before you call Compaq:
I Technical support registration number (if applicable)
I Product serial number
I Product model name and number
I Applicable error messages
I Add-on boards or hardware
I Third-party hardware or software
I Operating system type and revision level
Compaq Website
The Compaq website has information on this product as well as the latest
drivers and Flash ROM images. You can access the Compaq website by
logging on to the Internet at
http://www.compaq.com
Compaq Authorized Reseller
For the name of your nearest Compaq authorized reseller:
I In the United States, call 1-800-345-1518.
I In Canada, call 1-800-263-5868.
I Elsewhere, see the Compaq website for locations and telephone
numbers.
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1
Chapter
Preparing the Server
This chapter provides the procedures required to prepare a
Compaq ProLiant ML350 server to be mounted into a Compaq 19-inch rack.
To mount the server into a rack, you will need the following tools:
I Torx T-15 screwdriver
I Torx T-10 screwdriver
I Phillips screwdriver
Preparing the server involves the following steps:
Step 1: Unpacking and identifying option kit contents
Step 2: Powering down the server
Step 3: Removing tower-specific chassis components
Step 4: Installing rack-mountable specific chassis components
IMPORTANT: As with any upgrade, be sure you have created a backup of all your data
before you begin.
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1-2 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Step 1
Unpacking and Identifying Conversion Kit
Contents
Unpack the conversion kit. Check the kit contents against Table 1-1 and
Figure 1-1 to ensure you have all the components and assembly hardware.
4
3
2
1
5
7
6
8
Pro ackIn
Lian stal
toR
tML lGui
350 de
Tow
er
9
10
11
12
14
13 15
Figure 1-1. Conversion kit contents
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Preparing the Server 1-3
Table 1-1
Conversion Kit Contents
Item Description Item Description
Cable management arm Slide rails
mounting bracket
Bar nut Mounting brackets
Cable management arm bracket Drive cage cover (non-hot-plug
models only)
Template Cable management arm
Rack-mount front panel Power switch cover
Lift assist handles (not used Hot-plug hard drive labels and SCSI
with the ProLiant ML350 server) Drive ID label
Screws (6 bags) Tiewraps
Documentation
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1-4 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Step 2
Powering Down the Server
To power down the server:
1. Schedule downtime for the server upgrade.
2. Perform a system backup of your server according to your operating
system requirements.
3. Bring your server offline according to your network operating system
requirements.
4. Power down the server, then power down all peripheral devices.
CAUTION: Never power down a storage system unless the server controlling it
has been powered down first. Doing so causes the controller to mark the drives
as failed.
5. Disconnect the AC power cord from the AC outlet, then from the server.
6. Label and disconnect all cables connected to the back of the server.
Figure 1-2. Removing cables
NOTE: The rear of the server may look different depending on the model purchased.
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Preparing the Server 1-5
Step 3
Removing Tower-Specific Chassis Components
Before beginning these procedures, make sure you understand the following
warning.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the
hot-plug drives and internal system components to cool before touching them.
CAUTION: Electrostatic Discharge (ESD) can damage electronic components.
Refer to Appendix A for ESD information before you remove or install server
parts.
When you convert a ProLiant ML350 tower model server to a rack-mountable
model, you must first remove the following components:
I Bezel door
I Feet
I Keylock latch
I Drive cage cover (non-hot-plug hard drive models only)
I Locking bracket
I Tower configuration panel
After removing the components, it is necessary to set the system board switch
to a rack configuration. See "Setting the Rack Configuration System Board
Switch" in this chapter for detailed instructions.
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1-6 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Removing the Bezel Door
To remove the bezel door:
1. If the keylock is locked, unlock it using the included key
2. Swing the bezel door open, then lift it up and away from the
chassis .
3
2
1
Figure 1-3. Removing the bezel door
NOTE: The bezel door of the server may look different depending on the model
purchased.
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Preparing the Server 1-7
Removing the Feet
To remove the feet:
1. Turn the server upside down.
2. Remove the screw from the center of one of the feet.
3. Lift up the outside edge of the foot , then remove the foot .
1
2
3
Figure 1-4. Removing the feet
4. Repeat this procedure with the other three feet.
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1-8 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Removing the Keylock Latch
If the server has a keylock latch, it must be removed before the server is
installed into the rack. If your server does not a have a keylock latch, skip this
step.
To remove the keylock latch:
1. Using a Torx T-15 screwdriver, remove the screw holding the latch in
place.
2. Pull the latch away from the chassis.
Figure 1-5. Removing the keylock latch
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Preparing the Server 1-9
Removing the Drive Cage Cover
(Non-Hot-Plug Hard Drive Models Only)
To remove the drive cage cover:
1. Loosen the two thumbscrews securing the drive cage cover.
2. Pull the cover away from the chassis.
1
2
Figure 1-6. Removing the drive cage cover
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1-10 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Removing the Locking Brackets
To remove the locking brackets:
1. Loosen the two thumbscrews located on the left side of the front
chassis.
2. Slide the access panel back about 1.5 cm (0.5 inch), then pull the
access panel away from the chassis to remove it.
1
2
Figure 1-7. Removing the access panel
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Preparing the Server 1-11
3. Disengage the locking brackets and remove them by pulling out.
1
1
2
Figure 1-8. Removing the locking brackets
NOTE: The interior of the server may look different depending on the model purchased.
4. Reinstall the access panel and tighten the thumbscrews.
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1-12 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Removing the Tower Configuration Panel
The tower configuration panel covers the indentations in the server chassis that
are used to secure the mounting rails (see Figure 1-9). To remove the tower
configuration panel:
1. Lay the server on its side with the tower configuration panel facing up.
2. Using a Torx T-10 screwdriver, remove the two retaining screws as
indicated in Figure 1-9.
3. Slide the panel back, then up. You may need to exert a small amount
of force to release the panel from the chassis.
1
2
Figure 1-9. Removing the tower configuration panel
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Preparing the Server 1-13
Setting the Rack Configuration System Board
Switch
Switch 3 on the system board switch (SW1) is the rack configuration switch.
To enable this switch setting, set switch 3 to the on position, as shown in
Figure 1-10 and Figure 1-11. The location of the system board switch varies,
depending on the model purchased.
on
1234
Figure 1-10. Setting the rack configuration system board switch (SW1)
on
1 234
Figure 1-11 Setting the rack configuration system board switch (SW1)
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1-14 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Step 4
Installing Rack-Mountable Specific
Chassis Components
You must install the following components on the server before installing the
server in the rack:
I Power switch cover
I Hard drive labels
I Rack-mount front panel
I Drive cage cover (non-hot-plug hard drive models only)
I Component rails
I Cable management arm bracket
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Preparing the Server 1-15
Installing the Power Switch Cover
The power switch cover must be installed on your rack-mount server before
installing the rack-mount front panel. Install the power switch cover provided
with the option kit as described below.
1. If a power switch cover is already present, remove it.
2. Align the power switch cover with the power button.
3. Snap the power switch cover onto the power switch until the cover
clicks into place.
Figure 1-12. Installing the power button cover
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1-16 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Applying the Hard Drive Labels
Depending on your server model, you should place one or both of the
following labels onto the server chassis before installing the rack-mount front
panel.
Applying the Chassis Labels
(Hot-Plug Hard Drive Models Only)
To apply the chassis labels:
1. Locate the two unmarked beige-colored labels included in your kit.
2. Apply the labels above and below the hard drive opening on the server
chassis as shown in Figure 1-13.
Figure 1-13. Applying the chassis labels (hot-plug hard drive models only)
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Preparing the Server 1-17
Applying the SCSI Drive ID Label
To apply the SCSI drive ID label:
1. Locate the SCSI drive ID label and the rack-mount front panel (included
in your kit).
2. Do one of the following, depending on your server model:
For non-hot-plug hard drive models, apply the label to the left of
the hard drive opening on the rack-mount front panel.
For hot-plug hard drive models, apply the label above the hard
drive opening on the rack-mount front panel.
ID
SCSI
3
2
1
0
3
SCSI ID
2
1
0
2
1
Figure 1-14. Applying the SCSI drive ID label
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1-18 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Installing the Rack-Mount Front Panel
To install the rack-mount front panel:
1. Locate 7 of the retaining screws included with your kit.
2. Align the front panel with the chassis and secure the panel with the
retaining screws.
Figure 1-15. Installing the rack-mount front panel
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Preparing the Server 1-19
Installing the Drive Cage Cover
(Non-Hot-Plug Hard Drive Models Only)
To install the new drive cage cover:
1. Place the new drive cage cover on the drive cage.
2. Tighten the two thumbscrews to secure the cover.
1
2
Figure 1-16. Installing the drive cage cover
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1-20 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Installing Component Rails on the Server
Your conversion kit includes a set of 22-inch slide rails. A slide rail is a
mechanical assembly that consists of:
I A component rail that is mounted to the server or component being
installed
I A slide, which is the mechanism that accepts the component rail and is
mounted to the mounting bracket
The component rails are installed in the slide when shipped and must be
removed before the component rails can be mounted to the server.
To remove the component rail from the slide:
1. Extend the component rail from the slide until the component rail
release latch clicks.
2. Holding down the latch , pull the component rail out of the slide. You
may need to give the rail a sharp tug to disengage it from the slide.
1
2
T2R1-7.eps
Figure 1-17. Removing the component rail from the slide
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Preparing the Server 1-21
To install the component rails onto the server:
1. Place the tab of one component rail at the front of the server chassis.
The holes in the component rail line up only one way with the chassis.
2. Secure the flat side of the component rail to each side of the server
chassis with three 8-32 x 1/4-inch Phillips screws (supplied). Do not use
washers or other screws.
3. Repeat this procedure on the other side of the server using the second
component rail.
T2R1-8.EPS
Figure 1-18. Installing a component rail on the server
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1-22 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Installing the Cable Management Arm Bracket
The cable management arm bracket allows you to secure the cable
management arm to the server and to the rear frame of the rack.
To install the cable management arm bracket:
1. Locate the two bracket screws (PN 192308-002) included with your kit.
2. Using a Torx T-15 screwdriver and the two bracket screws, secure the
cable management arm bracket to the back of the server as illustrated in
Figure 1-19.
Figure 1-19. Securing the cable management arm bracket to the server
NOTE: The rear of the server may look different depending on the model purchased.
When you have completed the procedures in this chapter, proceed to
Chapter 2, "Rack Installation."
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2
Chapter
Rack Installation
This chapter provides the procedures required to install the prepared
ProLiant ML350 server into a Compaq 19-inch rack.
Installing the prepared server into the rack requires the following steps:
Step 1: Securing the mounting hardware to the server and rack
Step 2: Installing the server into the rack
Step 3: Securing the cable management arm
Step 4: Cabling the server
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2-2 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Rack Warnings and Precautions
Before beginning these procedures, please read and understand the following
statements.
WARNING: To avoid the risk of personal injury or damage to the equipment, at
least two people are needed to safely unload the rack from the pallet. An empty
42U rack weighs 115 kg (253 lb), is over 2.1 m (7 ft) tall, and may become
unstable when being moved on its casters. Do not stand in front of the rack as it
rolls down the ramp from the pallet, but handle it from the sides.
WARNING: A rack may become unstable if more than one component is
extended for any reason. To reduce the risk of personal injury, be sure that the
rack is adequately stabilized before extending a component outside the rack,
and extend only one component at a time.
WARNING: Never extend more than one rack drawer in a rack at a time. Doing
so could cause the rack system to become unstable and tip over.
WARNING: Before beginning to work on the rack, be sure that the leveling
jacks are extended to the floor, that the full weight of the rack rests on the level
floor, and that either stabilizers are installed or that multiple racks are coupled
for stability.
Server Warnings and Precautions
WARNING: To avoid the risk of personal injury or damage to the equipment, a
minimum of two people MUST lift the server into the rack. The server weighs
about 22.6 kg (50 lb). If the unit is to be loaded above chest level, a third person
must assist in aligning the rails while the other two support the unit.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the
hot-plug drives and internal system components to cool before touching them.
WARNING: This equipment is designed for connection to a grounded (earthed)
AC outlet. The grounding type plug is an important safety feature. To avoid risk
of electric shock or damage to your equipment, do not disable this feature.
WARNING: The rack-mountable ProLiant ML350 server must always be
operated with the system unit cover on. Proper cooling cannot be achieved if the
system unit cover is removed.
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Rack Installation 2-3
Optimum Environment
When installing your ProLiant ML350 server into a rack, the following
requirements must be met:
I Space
I Power
I Grounding
I Temperature
I Airflow
Space Requirements
Consider the following items when deciding where to install your Compaq
rack:
I Clearance in front of the rack should be a minimum of 25 inches for
servicing.
I Clearance in back of the rack should be a minimum of 30 inches to
allow for servicing and for adequate airflow.
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2-4 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Power Requirements
WARNING: To reduce the risk of personal injury, fire, or damage to the
equipment, do not overload the AC supply branch circuit that provides power to
the rack. Consult the electric authority having jurisdiction over your facility
wiring and installation requirements.
The installation of this equipment shall be in accordance with local/regional
electric regulations governing the installation of information technology
equipment by licensed electricians. This equipment is designed to operate in
installations covered by NFPA 70-1999 (National Electric Code) and
NFPA-75, 1992 (code for Protection of Electronic Computer/Data Processing
Equipment). For electric power ratings on options, refer to the product rating
label or user documentation supplied with that option.
When installing more than one server, it may be necessary to utilize additional
power distribution devices to safely provide power to all devices.
I Balance the power load between available AC supply branch circuits.
I The overall system AC current load must not exceed 80 percent of the
AC supply branch circuit current rating.
Grounding Requirements
To ensure proper operation and safety, the server must be properly grounded
(earthed). In the United States, install the equipment in accordance with NFPA
70-1999 (National Electric Code) Article 250 as well as any local and regional
building codes. In Canada, install the equipment in accordance with Canadian
Standards Association, CSA C22.1, Canadian Electric Code. In all other
countries, follow any regional or national electric wiring codes such as the
International Electrotechnical Commission (IEC) 364 parts 1 through 7.
Furthermore, you must ensure that all power distribution devices used in the
installation--such as branch wiring and receptacles-are Listed or Certified
grounding--type devices.
Because of the high ground-leakage currents associated with multiple servers
connected to the same power source, Compaq recommends the use of a power
distribution unit (PDU) that is either permanently wired to the building branch
circuit or is provided with a nondetachable cord that is wired to an
industrial-style plug. NEMA locking-style plugs or those complying with IEC
60309 are considered suitable for this purpose. Compaq does not recommend
using common power outlet strips for this equipment.
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Rack Installation 2-5
Temperature Requirements
To ensure continued safe and reliable operation of the equipment, install or
place the system in a well-ventilated, climate-controlled environment.
The Compaq Maximum Recommended Ambient Operating Temperature
(TMRA) for most server products is 35C (95F). The temperature in the room
where the rack is located should not exceed 35C (95F).
The operating temperature inside the rack is always higher than the room
temperature and is dependent on the configuration of equipment in your rack.
The TMRA for each piece of equipment should be checked before installation.
The maximum internal rack temperature for your configuration should not
exceed the values shown in the following table.
Table 2-1
Internal Rack Temperature Maximums
Equipment Included Internal Rack Temperature Maximum
Rack-mountable ProLiant servers 47C/122F
Compaq rack-mountable options 40C/104F
Other manufacturer options See other manufacturer specifications
CAUTION: To reduce the risk of damage to the equipment when installing
third-party options:
I Make sure that the option equipment does not impede airflow to the
rack-mountable ProLiant servers or increase the internal rack temperature
beyond the maximum rating specified by Compaq.
I Make sure that the Manufacturer Maximum Recommended Ambient
Operating Temperature of the option equipment is not exceeded when
installed into the rack.
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2-6 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Airflow Requirements
The ProLiant ML350 server draws cool air in through the front of the chassis
and exhausts warm air out through the rear of the chassis. Therefore, the front
of the rack must be adequately ventilated to allow ambient room air to enter
the cabinet, and the rear door must be adequately ventilated to allow the warm
air to escape from the cabinet. Do not block the ventilation apertures.
CAUTION: If a third-party rack is used, observe the following minimum
requirements to ensure adequate airflow and to prevent damage to the
equipment:
I Front: The rack door should have approximately 288 square cm (120
square in) of holes evenly distributed from top to bottom to permit
adequate airflow.
I Side: The clearance between the installed module and the side panels of
the rack should be a minimum of 6.9 cm (2.75 in).
I Rear: The clearance between the back of the rack and the wall should be a
minimum of 76.2 cm (30 in), and the equipment should be operating
without a rear door.
CAUTION: If not all of the vertical space in the rack is filled by components, the
gaps left can cause a change in airflow through the rack and across the
components. These gaps must be covered with blanking panels.
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Rack Installation 2-7
Step 1
Securing the Mounting Hardware to the
Server and Rack
Securing the mounting brackets and slide rail assemblies consists of the
following:
I Marking the server rack position with the template
I Installing cage nuts in the rack frame
I Securing the slide rail to the mounting bracket
I Installing the mounting bracket slide assembly on the rack
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2-8 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Marking with the Template
A template is provided to mark the rack for cage nut and mounting bracket
positions. Starting at the bottom of the rack or at the top of a previously
mounted component:
1. Place the template in the desired location with the two push tabs. Make
sure that you match the hole pattern printed on the template with the
actual holes on the rack vertical rails.
T2R2-1.EPS
Figure 2-1. Measuring with the template
2. Use a pencil to mark locations indicated on the template for cage nuts
and mounting brackets.
3. After marking the front of the rack, flip the template over and repeat the
procedure on the back rails of the rack. Also mark the top of the
template on the rack. This helps align the next components.
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Rack Installation 2-9
Inserting Cage Nuts into the Rack Frame
Use the fitting tool to insert cage nuts on the inside of the rails at the marked
locations.
NOTE: The cage nuts and fitting tool are included in the hardware kit supplied with the
rack.
1. On the inside of the rail, hook one of the lips of the cage nut through the
square rail hole.
2. Insert the tip of the fitting tool through the other side of the hole and
hook the opposite lip of the cage nut.
Figure 2-2. Inserting cage nuts
3. Using the fitting tool as a lever, slide the cage nut lip into position.
4. Repeat this procedure for each cage nut.
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2-10 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Securing the Slide Rail to the Mounting Bracket
The mounting bracket and slide rail form an assembly that secures to the rack.
To secure the slide rail to the mounting bracket:
1. Lay a slide rail inside a mounting bracket, making sure that the front of
the slide rail is at the front of the mounting bracket. To identify the front
of the mounting bracket and the bracket rail:
The front of the mounting bracket has screw threads on its flange.
The front of the slide rail allows the inner slide to move forward.
Figure 2-3. Identifying the front of the slide rail and the mounting bracket
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Rack Installation 2-11
2. Align the front screw holes in the slide rail and the mounting bracket.
3. Fasten the slide rail to the mounting bracket using three 8-32 x 1/4-inch
slotted screws (supplied). Adjust the inner slide to access the screw
holes through the slotted opening in the inner slide, then insert the
screws (, , and ) as shown in Figure 2-4.
1
2
3
Figure 2-4. Securing the slide rail to the mounting bracket
4. Repeat steps 1 through 3 for the other slide rail and mounting bracket.
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2-12 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Installing the Mounting Bracket Slide Assembly
To install the mounting bracket slide assembly:
1. Position the mounting bracket according to the pencil marks made with
the template earlier.
2. Secure the front of the mounting bracket first, using an M6 x 1.0-12L
Phillips screw in the bottom hole of the bracket. Do not use washers.
t2r2-5.eps
Figure 2-5. Securing the mounting bracket slide assembly to the front of the
rack
IMPORTANT: Do not tighten the mounting bracket screws completely until after the
server is inserted into the rack. A small amount of play helps position the brackets to the
exact width of the component being installed.
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Rack Installation 2-13
3. Secure the back of the mounting bracket with an M6 x 1.0-12L Phillips
screw and the cage nut.
IMPORTANT: Make sure the mounting bracket is level from front to back.
Top View
t2r2-6.eps
Figure 2-6. Cage nut and back of mounting bracket slide assembly (installed)
4. Repeat this process for the other mounting bracket slide assembly.
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2-14 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Step 2
Installing the Server into the Rack
To install the server in the rack:
WARNING: To reduce the risk of personal injury or damage to the equipment, a
minimum of two people MUST lift the server into the rack. If the unit is loaded
above chest level, a third person must assist in aligning the rails while the other
two support the unit.
1. Pull the slide rails forward from the mounting brackets until they lock
into position.
2. Carefully align the server component rails with the rack slide rails and
slide the server all the way into the rack.
CAUTION: Be sure to keep the component parallel to the floor when sliding the
component rails into the slide rails. Tilting the component up or down can result
in damage to the rails.
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Rack Installation 2-15
3. Press the component rail release latch on either side of the server and
slide the server into the rack.
Figure 2-7. Loading the server into the rack
WARNING: To reduce the risk of personal injury, be careful when pressing the
component rail release latches and sliding the component into the rack. The
slide rails could pinch your fingertips.
IMPORTANT: The first time you slide the component into the rack, you may have to apply
some pressure. After the first time, the ball bearings in the slide move easily.
4. Slide the server in and out of the rack several times to properly align the
slide mount rails.
5. Tighten the mounting bracket screws.
6. Secure the server by screwing the front panel thumb screws into the
rack.
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2-16 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Step 3
Installing the Cable Management Arm
The cable management arm secures to the cable management arm bracket that
was previously installed. See "Installing the Cable Management Arm Bracket"
in Chapter 1. All cables running to and from the server are tied to this arm.
The cable management arm allows the cables to swing out of the way when
the server is accessed.
To install the cable management arm, follow these steps:
1. Slide the server into the rack. See "Installing the Server into the Rack"
earlier in this chapter.
2. Secure one end of the cable management arm to the cable management
arm bracket on the server using two M6 x 1.0-12L Phillips screws
(supplied).
Figure 2-8. Securing the cable management arm to the bracket
NOTE: The rear of the server may look different depending on the model purchased.
3. Align the other end of the cable management arm with the outside of
the rear rack frame.
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Rack Installation 2-17
4. Secure the mounting bracket to the rear rack frame using the bar nut
and two 10-32 x 5/8 screws (supplied).
1
2
Figure 2-9. Securing the mounting bracket and bar nut to the rack frame
5. Secure the cable management arm to the mounting bracket using two
10-32 x 5/8 screws (supplied).
Figure 2-10. Securing the cable management arm to the mounting bracket
NOTE: The rear of the server may look different depending on the model purchased.
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2-18 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
Step 4
Cabling the Server
1. Plug all external cables into the server.
2. If you installed a switchbox in the rack, route the CPU-to-switchbox
cables to the switchbox.
3. Bundle all of the cables, including the power cable, and secure them to
the cable management arm using the tiewraps (supplied).
Figure 2-11. Routing and securing the cables
NOTE: The rear of the server may look different depending on the model purchased.
4. Extend the bundled cables down the rack cable channel.
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A
Appendix
Electrostatic Discharge (ESD)
Information
An electrostatic discharge (ESD) can damage printed circuit boards (PCBs) or
other static-sensitive devices. This type of damage may reduce the life
expectancy of the device.
Preventing Electrostatic Damage
To prevent electrostatic damage, observe the following precautions:
I Avoid hand contact by transporting and storing parts in static-safe
containers.
I Keep electrostatic-sensitive parts in their containers until they arrive at
static-free workstations.
I Place parts on a properly grounded (earthed) surface before removing
them from their containers.
I Always be properly grounded when touching a static-sensitive
component or assembly.
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A-2 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
I Cover workstations with approved static-dissipating material. Use a
wrist strap, connected to the work surface, and properly grounded tools
and equipment.
I Keep the work area free of nonconductive materials such as ordinary
plastic assembly aids and foam packing. Use conductive field service
tools.
I Avoid touching pins, leads, or circuitry.
I Always place disk drives PCB-assembly side down.
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Index
A C
AC cable management arm 1-3, 2-17
current rating 2-4 cable management arm
outlet, grounding 2-2 bracket 1-3, 1-22
power cord 1-4 cable management arm mounting
access panel, removing 1-10 bracket 1-3
airflow cables
blanking panel 2-6 connecting external
rack 2-6 peripheral 2-18
requirements 2-6 disconnecting external
ambient operating temperature 2-5 peripheral 1-4
applying labels cage nuts 2-9
chassis 1-16 caution statements
hard drive 1-16 airflow 2-6
SCSI drive ID 1-17 ambient operating
temperature 2-5
internal rack temperature 2-5
B
third-party options 2-5
bar nut 1-3, 2-17 ventilation 2-6
base, removing 1-7 chassis
bezel door, removing 1-6 components, installing 1-14
blanking panel, airflow 2-6 labels 1-16
brackets clearance, rack 2-3
cable management arm 1-3, Compaq 19-inch rack 1-1
1-22 Compaq authorized reseller ix
cable management arm, Compaq website ix
mounting 1-3 component rails 1-20
locking, removing 1-10 configuration switch, rack 1-13
mounting 1-3 connection, grounded 2-2
slide assembly, installing 2-12 conversion kit See kit contents
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2 Compaq ProLiant ML350 Tower-to-Rack Conversion Guide
cover G
drive cage 1-3, 1-9, 1-19
grounding
power switch 1-3
AC outlet 2-2
equipment 2-4
D methods 2-4
procedures A-1
documentation 1-3
door, bezel 1-6
door, rack 2-6 H
drive cage cover 1-3
hard drive labels 1-16
installing 1-19
hazard symbol vi
removing 1-9
hazardous conditions symbols on
equipment vi
E hazardous energy circuits
symbol vi
electric code 2-4
help
electric power ratings 2-4
additional sources viii
electric shock symbol vi
Compaq authorized resellers,
electric shock warning 2-2
telephone numbers ix
electrostatic discharge See ESD
Compaq website ix
environment
technical support telephone
airflow requirements 2-6
numbers viii
grounding methods 2-4
hot-plug hard drive labels 1-3
optimum 2-3
http://www.compaq.com ix
power requirements 2-4
space requirements 2-3
temperature requirements 2-5 I
equipment, grounding 2-4
Important Safety Information
ESD A-1
document vii
exclamation point symbol vi
installing
cable management arm 2-17
F cable management arm
bracket 1-22
feet, removing 1-7
cage nuts 2-9
front panel
chassis components 1-14
rack-mount, identifying 1-3
component rails 1-20
rack-mount, installing 1-18
drive cage cover 1-19
power switch cover 1-15
rack-mount front panel 1-18
server into rack 2-14
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Index 3
K M
keylock latch, removing 1-8 mounting brackets 1-3
kit contents mounting brackets, cable
bar nut 1-3 management arm 1-3
cable management arm 1-3
cable management arm N
bracket 1-3
cable management arm nuts
mounting bracket 1-3 bar 1-3
documentation 1-3 bar, using 2-17
drive cage cover 1-3 cage 2-9
hot-plug hard drive labels 1-3 cage, using 2-9
illustrated 1-2
lift assist handles 1-3 O
listed 1-3
optimum environment 2-3
mounting brackets 1-3
outlet, grounded 2-2
power switch cover 1-3
rack-mount front panel 1-3
screws 1-3 P
slide rails 1-3
panel
template 1-3
access, removing 1-9, 1-10
tiewraps 1-3
rack-mount 1-18
unpacking 1-1
tower configuration,
removing 1-12
L power cord, disconnecting 1-4
power requirements 2-4
labels
power supplies, balancing 2-4
applying 1-16
power switch cover 1-3, 1-15
chassis 1-16
hot-plug hard drive 1-3
SCSI drive 1-17 R
labels on equipment vi
rack
latch, keylock, removing 1-8
airflow 2-6
lift assist handles 1-3
clearance 2-6
locking brackets, removing 1-10
Compaq 19-inch 1-1
configuration switch 1-13
door 2-6
maximum internal
temperature 2-5
template, measuring with 2-8
ventilation 2-6
warnings 2-2
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