Cisco UCS X9508 Guida rapida

Installation

This chapter contains the following topics:

•Installation Notes and Warnings for the Cisco UCS X9508 Server Chassis, on page 1

•Rail Installation Templates, on page 12

•Installing Cage Nuts, on page 14

•Rail Kits, on page 17

•Installing the Chassis, on page 20

•Removing the Chassis from a Rack, on page 54

•Repacking the Chassis, on page 54

Installation Notes and Warnings for the Cisco UCS X9508 Server

Chassis

The following notes and warnings apply to all installation tasks:

Before you install, operate, or service the system, see the Regulatory Compliance and Safety Information for

Cisco UCS for important safety information.

Note

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work

on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard

practices for preventing accidents. Use the statement number provided at the end of each warning to locate

its translation in the translated safety warnings that accompanied this device. Statement 1071

SAVE THESE INSTRUCTIONS

Warning

This unit is intended for installation in restricted access areas. A restricted access area can be accessed only

through the use of a special tool, lock and key, or other means of security. Statement 1017

Warning

Installation

Only trained and qualified personnel must be allowed to install, replace, or service this equipment.

Statement 1030

Warning

Watch your hands and fingers whenever you handle the chassis, modules, compute nodes, and components!

Narrow vertical or horizontal spaces in situations like, but not limited to, moving the chassis into or out of

the shipping container or equipment rack can cause pinch hazards for your hands and fingers.

Although they do not eliminate the possibility of pinching, the chassis has defined grasp points to facilitate

handling and moving it. For information about chassis grasp points, see Handling the Chassis, on page 4.

Important

Do not lift or handle the chassis by the top rear sheet metal, as indicated by the DO NOT LIFT label on the

top rear surface.

Note

Rack Requirements

This section provides the requirements for installing in a standard open rack, assuming an external ambient

air temperature range of 41 to 95°F (5 to 35°C):

Do not use racks that have obstructions. These obstructions could impair access to field-replaceable units

(FRUs).

Note

Cisco UCS is compliant with any EIA-310-D/E compliant rack. Your equipment racks must also be compliant

with EIA-310-D/E standard.

The Cisco UCS X9508 chassis can be installed in either a 9.5 mm square-hole rack or a 7.1 mm unthreaded

round-hole rack. These racks require either square-hole cage nuts or round-hole cage nuts (also called spring

nuts), respectively. Cage nuts and spring nuts are not provided by Cisco. They should have accompanied your

equipment rack. Use the proper cage nut or spring nut for your rack.

Some racks might be tapped, with threaded holes drilled directly into the rack's sheetmetal instead of square-

or round-hole punchouts for cage nuts. The rail kit for the server is not currently supported in tapped (threaded

hole) racks. Do not attempt to install the chassis in a tapped (threaded hole) equipment rack.

Caution

Also, be aware of these additional requirements:

• The tool-less rack-mount kits (either Type 1 or Type 2) shipped with the chassis are required. The

adjustable rack rails shipped with each enclosure extend from 29 inches (73.66 cm) to 35 inches (88.9

cm)

• Front and rear doors—If your compute node rack includes closing front and rear doors, the doors must

have 65 percent open perforated area evenly distributed from top to bottom to permit adequate airflow.

Installation

Rack Requirements

Always use blanking panels to fill all remaining empty front panel U-spaces in

the rack. This arrangement ensures proper airflow. Using a rack without blanking

panels results in improper cooling that can lead to thermal damage.

Caution

The rack must also meet the following requirements:

• The minimum available vertical rack space per chassis must be seven RU (rack units), equal to 12.25

inches (31.2 cm).

Airflow Considerations

Airflow through the chassis is from front to back. Air enters the chassis through the compute nodes and power

supply grills at the front of the chassis and exits through the fan modules on the back of the chassis. To ensure

proper airflow, follow these guidelines:

• Maintain ambient airflow throughout the data center to ensure normal operation.

• Consider the heat dissipation of all equipment when determining air-conditioning requirements. Do not

allow the exhaust of one system to be the intake for another system.

• When evaluating airflow requirements, take into consideration that the hot air generated by equipment

at the bottom of the rack can be drawn in the intake of the equipment above.

• Make sure that the exhaust at the rear of the chassis is unobstructed for at least 24 in. (61 cm). This

includes obstruction due to messy cabling practices.

• If an enclosed rack is used, the front door must be 65 percent perforated to ensure adequate airflow to

the compute nodes.

Earth Ground Considerations

Earth Ground Compliance

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence

of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician

if you are uncertain that suitable grounding is available. Statement 1024

Warning

For Nordic countries (Norway, Finland, Sweden and Denmark) this system must be installed in a Restricted

Access Location, where the voltage of the main ground connection of all equipment is the same (equipotential

earth) and the system is connected to a grounded electrical outlet. Statement 328

Warning

High leakage current – earth connection essential before connection to system power supply. Statement 342

Warning

Installation

Airflow Considerations

This equipment must be externally grounded using a customer-supplied ground wire before power is applied.

Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable

grounding is available. Statement 366

Warning

Ground Lug

Connecting the chassis to earth ground is completed by installing a grounding bracket, assembling the ground

wire and ground lug, then screwing the ground lug and ground wire to the grounding bracket.

The ground lug is provided in the accessory kit. If needed, additional ground lugs are available through

third-party retailers, such as Panduit.

The following information is for standard AC power installations in North America. Your location might

require different specifications. Make sure that you are using the correct ground lug and ground cable for your

location.

Note

The ground lug must be a two-stud, copper barrel lug like the example shown below.

The positive and negative wires can be installed pointing either to the right or to the left as long as the terminal

cover is used.

Panduit LCD4-14A-L connectors (or equivalent) may be used supply and return wires, and Panduit LCD4-14A

or equivalent connectors may be used for the 90-degree ground lug wire. Both connections have double lugs

with .25-inch holes measuring .625 inches from center to center.

Note

Handling the Chassis

As a best practice, handle the chassis when it is empty, and use either a scissors jack or multiple people to

bear the weight.

The Cisco UCS X9508 has defined areas for holding the chassis (grasp points). Grasp points are not indicated

on the chassis itself, but facilitate handling or moving the chassis.

Watch your hands and fingers whenever you handle the chassis, modules, compute nodes, and components!

Narrow vertical or horizontal spaces in situations including, but not limited to, moving the chassis into or out

of the shipping container or equipment rack can cause pinch hazards for your hands and fingers.

Important

Installation

Handling the Chassis

Use the following grasp points when handling the chassis.

• Front grasp points, horizontal

Installation

Handling the Chassis

• Rear grasp points

Do not lift or handle the chassis by the top rear sheet metal, as indicated by the

DO NOT LIFT label on the top rear surface.

Note

Installation

Handling the Chassis

Moving Server Chassis

A fully configured chassis is very heavy! Be aware of its weight, and follow these guidelines:

Do not try to lift the chassis without mechanical assistance! The chassis weighs 400 lbs (181.43 kg) fully

configured and 92 lbs (41.73 kg) empty. If available, use a scissor jack or other lifting device designed for

installing heavy equipment into data center racks.

Caution

• Disconnect all power and external cables before lifting the chassis.

• Remove all IFMs, power supplies, fans, and compute nodes from the chassis before lifting.

• Ensure that your footing is solid, and the weight of the system is evenly distributed between your feet.

• If you must lift an empty chassis, do not attempt this alone. Get assistance from at least one other person.

Lift the system slowly, keeping your back straight. Lift with your legs, not with your back. Bend at the

knees, not at the waist.

Installation Guidelines

When installing the chassis, follow these guidelines:

• Plan your site configuration and prepare the site before installing the chassis. See Site Planning and

Maintenance Records for the recommended site planning tasks. For details, see the Cisco UCS Site

Preparation Guide.

• Record the information listed in Site Planning and Maintenance Records as you install and configure the

chassis.

• Ensure that there is adequate space around the chassis to allow for servicing the chassis and for airflow.

•Ensure that the air-conditioning meets the heat dissipation requirements listed in Technical Specifications

• Ensure that the cabinet or rack meets the requirements listed in Rack Requirements, on page 2.

Jumper power cords are available for use in a rack. See Specifications for the

Cisco UCS X9508 Chassis Power Supply Units.

Note

•Ensure that the site power meets the power requirements listed in Technical Specifications. We recommend

that you use a UPS to protect the UCS system. Using an unprotected supply exposes you to a risk of

system failure due to input supply voltage variations or failures.

Avoid UPS types that use ferroresonant technology. These UPS types can become unstable with systems

such as the Cisco UCS, which can have substantial current draw fluctuations due to fluctuating data

traffic patterns.

• Ensure that circuits are sized according to local and national codes. For North America, the power supply

requires a 20 A circuit.

To prevent loss of input power, ensure that the total maximum loads on the circuits supplying power to

the chassis are within the current ratings for the wiring and breakers.

Installation

Moving Server Chassis

• Use the following torque values when installing the chassis:

• M6 x 20 mm screws: 48 +/- 5 in-lb

Required Equipment

Before you begin the installation, ensure that you have the following items:

• Scissor jack or other lift device capable of bearing the weight of a fully loaded chassis, which is 400 lbs

(181.43 kg).

• Number 1 and number 2 Phillips-head screwdrivers with torque measuring capabilities

• Flat-head screwdriver

• Tape measure and level

• ESD wrist strap or other grounding device

• Antistatic mat or antistatic foam

Unpacking and Inspecting the Chassis

When handling chassis components, wear an ESD strap and handle modules by the carrier edges only.

Caution

Keep the shipping container in case the chassis requires shipping in the future.

Tip

The chassis is thoroughly inspected before shipment. If any damage occurred during transportation or any

items are missing, contact your customer service representative immediately.

Note

As part of this procedure, you will be moving an empty chassis out of the shipping container. Be aware of the

following precautions:

You will find it helpful to wear gloves when unpacking and lifting the chassis. Also, beware of hand and

finger placement while unpacking, lifting, and moving the chassis to avoid possible pinch hazards.

Note

Only lift an empty chassis! Do not lift a chassis that has compute nodes, PSUs, fans, or Fabric Modules

installed. An empty chassis weighs 92 lbs (41.73 kg), so even an empty chassis has considerable weight.

Warning

Installation

Required Equipment

Use two or more people to lift the empty chassis. Do not attempt to lift the chassis by yourself! Always use

safe lifting practices when lifting or moving the chassis.

Use a lift or scissors jack to support the chassis when lifting and moving it.

Warning

Step 1 Make sure to read and understand the preceding warnings in this topic, as well as the information in the following

topics:

•Installation Notes and Warnings for the Cisco UCS X9508 Server Chassis, on page 1

•Handling the Chassis, on page 4

•Moving Server Chassis, on page 7

Step 2 Open the chassis shipping container.

a) Remove the top and side panels so that the chassis is sitting on the bottom pallet.

b) Save all packaging material.

Step 3 Do a visual inspection of the chassis to ensure there was no damage during transport.

Step 4 Compare the shipment to the equipment list provided by your customer service representative and verify that you have

received the following items:

• Accessory kit, which contains:

• M6 cage nut (4)

• M6 x 20mmL screw (16)

• Power Cable Management Arm (2), UCSX-9508-PCMA

• ESD Strap (Clip Terminated)

• Rail Kit, UCSX-9508-RAIL1=

• Any printed documentation

• Any optional items, which will be present in the accessory kit only if you ordered them with your system.

•Rear Mounting Brackets (1 left bracket, 1 right bracket), UCSX-9508-RACKBK. These brackets are optional.

They should be ordered only if you plan to install the chassis in shippable rack. If you don't plan on shipping

the rack, these brackets are not required.

• Compute Node Debug Cable, UCSX-C-DEBUGCBL, which is orderable as a customer option.

Step 5 Verify that all unused compute node slots and power supply bays have blank covers.

Step 6 If your chassis was shipped with hardware pre-installed, make sure to remove all compute nodes, PSUs, fans, and Fabric

Modules to reduce the chassis weight significantly before lifting it out of the shipping container. Blank faceplates can

remain installed.

Only lift an empty chassis!

Warning

Step 7 Locate the chassis handles, which are also the stabilizing brackets that secure the chassis to the bottom pallet.

Installation

Unpacking and Inspecting the Chassis

Step 8 Using a 13-millimeter socket driver, remove the four M8 hex-head securing bolts (two per side).

Save the securing bolts.

Note

Installation

Unpacking and Inspecting the Chassis

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