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Technical white paper 

Page 35 

 

Appendix A: Glossary

 

Table A1

. Glossary 

TERM 

DEFINITION 

Ballast 

A metal block that can be mounted in the sides of the rack to provide additional weight and protection against 

tipping. 

Chassis 

Rack-mountable configuration of a server or a storage component. 

Dedicated circuit branch 

A dedicated electrical circuit between a source and distribution point. 

Dynamic loading capacity 

A dynamic environment is one where the rack is shipped on a shock pallet with equipment installed or rolling racks 

with equipment installed to new locations within the data center. 

Electronic Industries Association (EIA) 

The EIA comprises individual organizations that together have agreed on certain data transmission standards such 

as EIA/TIA-232 (formerly known as RS-232). 

Electromagnetic interference (EMI) 

EMI also called radio-frequency interference or RFI when in radio frequency is disturbance that affects an electrical 

circuit due to either electromagnetic induction or electromagnetic radiation emitted from an external source. 

Electrostatic discharge (ESD) 

ESD occurs when differently-charged objects are brought close together or when the dielectric between them breaks 

down, often creating a visible spark. 

End of Life (EOL) 

A term used for signifying discontinuation of products. 

Fixed stabilizer 

An anti-tip stabilizer providing stability and support when equipment is installed, removed, or accessed within the 

rack. It is recommended that you should use a stabilizer option kit with a standalone rack. 

Keyboard/video/mouse (KVM) switch 

A switch that allows a single keyboard, video display monitor, and mouse to be switched to any of a number of 

computers. 

PDU 

PDU Power distribution unit 

PNP (Plug-and-Play) 

A standard that gives computer users the ability to plug a device into a computer and have the computer recognize 

that the device is connected. 

Static loading capacity 

Static loading capacity is one where the rack is positioned into place and the leveling feet are extended prior to 

equipment being installed. 

U (Rack Unit) 

A standard unit of measure for designating the height in computer enclosures and rack cabinets. One U equals 

44.5mm (1.75 in). Measurements typically go from the bottom of the rack to top. For example, a 4U chassis is 

177.8mm (7 in) high. A 42U rack cabinet has 1866.9mm (73.5 in) of usable mounting space. 

UPS 

A device that allows a computer to continue running for at least a short time after the primary power source is lost. 

 
 

 

 
 

Содержание HPE G2

Страница 1: ...HPE G2 Racks best practices Technical white paper ...

Страница 2: ...rements 7 Space and cable management requirements 9 Thermal requirements 10 Rack assembly guidelines 10 Installation and maintenance precautions 11 Rack mountable products 11 Installation planning and considerations 12 Environmental considerations 12 Third party thermal considerations 13 Power considerations 13 Compatibility 14 Grounding and earth leakage current 14 Equipment clearance and floor l...

Страница 3: ...freight 23 Mode of receiving and delivery 25 HPE Infrastructure Rack packing and shock pallet assembly 25 Dismounting an Infrastructure Rack from a shock pallet 33 Installation service 33 Spares kits 33 Additional tools and equipment 33 HPE Rack warranty 34 Conclusion 34 Appendix A Glossary 35 Appendix B Torque values 36 Resources 38 ...

Страница 4: ...he HPE user experience is assured through the available tools that provide information to guide your choices and the strength of HPE Rack and Power infrastructure to provide you with unmatched performance and reliability The HPE Infrastructure Architect application found at hpe com info rackandpower guides you to the right products based on your workload budget and location And then HPE Power Advi...

Страница 5: ...nd working to drive your business further HPE G2 Rack overview This document outlines recommended practices for configuring installing transporting and establishing a work environment for HPE G2 Racks HPE G2 rack transport descriptions include the information shown in Figure 1 Figure 1 Rack transport configurations Rack transport configurations for HPE 22U 36U 42U and 48U G2 Advanced Racks include...

Страница 6: ...t that does not meet standalone certification is not included in any HPE specified rack configuration and should not be installed in an HPE rack HPE General Specification for Environment GSE specifications prohibit or restrict the use of certain chemical compounds in products or in the manufacture of products HPE complies with the GSE specifications and restricts the use of these compounds in the ...

Страница 7: ...ill work with the servers storage networking and power supply infrastructure you already have And when completed the tool will also connect you to an HPE salesperson that can have your solution shipped to you You can find the HPE Infrastructure Architect at iallb itcs hpe com HPE Power Advisor HPE Power Advisor is an easy to use tool that estimates your data center power requirements for your serv...

Страница 8: ...n be found in the HPE Rack Options Installation Guide at hpe com hpsc doc public display docId emr_na c03209378 lang en us cc us Note All G2 Advanced Series Racks ship with side panels however side panels are also available as option kits Stabilization requirements Rack stability is of special concern when equipment is routinely installed removed or accessed within the rack Stability is addressed ...

Страница 9: ... is a single rack installation The racks are coupled together in multiple rack installations Only one component is extended at a time or the rack may become unstable HPE Ballast Option Kit Ballast plates add weight to a rack and improve side to side and front to back mechanical stability for standalone racks or a row of three or fewer racks bayed together Ballast plates fit in the zero U space at ...

Страница 10: ...HPE G2 Rack to the floor in geographical areas prone to seismic activity This product provides a solution to aid in avoiding damage or serious injury in the event of building or floor movement Space and cable management requirements The HPE G2Advanced Series Racks include cable management and other options allow you to customize your rack There is a rear PDU and Accessory Mounting Bracket to ease ...

Страница 11: ...equipment and are used to keep the ambient temperature inside the rack within the specified operational limits of the equipment Rack assembly guidelines Table 2 lists guidelines to follow when physically placing components in an Infrastructure Rack Table 2 Rack assembly guidelines COMPONENT GUIDELINE Weight Sort all components by weight placing the heaviest components at the bottom of the rack Key...

Страница 12: ...edge For long and straight runs roll the rack with the front fixed casters leading For maneuverability when moving the rack into a tight spot it is better to lead with the rear swiveling the casters When rolling the rack make sure to push firmly on the front doorframe and not the door mesh Warning To reduce the risk of personal injury or damage to the equipment do not attempt to move large equipme...

Страница 13: ...at the rack is stabilized as follows The leveling feet are extended to the floor The full weight of the rack rests on the leveling feet The stabilizing feet are attached to the rack if it is a single rack installation The racks are coupled together in multiple rack installations Extend only one component at a time or the rack may become unstable Installation planning and considerations As with any...

Страница 14: ... used observe the following additional requirements to ensure adequate airflow and to prevent damage to the equipment Front and rear doors If the 42U server rack includes closing front and rear doors allow 5350 sq cm 830 sq in of hole evenly distributed from top to bottom to permit adequate airflow equivalent to the required 64 percent open area for ventilation Be sure that the option equipment do...

Страница 15: ...an industrial style plug National Electrical Manufacturers Association NEMA locking style plugs or those complying with International Electrotechnical Commission IEC 60309 are considered suitable for this purpose HPE does not recommend using common power outlet strips for this equipment Observe the following limits when connecting the product to AC power distribution devices For UPS products and P...

Страница 16: ...buildings and raised computer room floors are engineered to provide a specific floor loading Warning When configuring a solution make sure that the floor loading specifications are followed Failure to do so may result in physical injury or damage to the equipment and the facility Figure 6 illustrates the footprint of an extended depth HPE Advanced Series Rack Figure 6 HPE Advanced Series Rack ...

Страница 17: ...kits are added to a particular rack the footprint of the rack will extend into rack rear row and infringe upon necessary clearances See figure 7 and 8 Figure 7 Footprint for a 600mm x 1075mm rack Figure 8 Footprint for a 600mm x 1200mm rack with standard stabilizer kit with standard stabilizer kit ...

Страница 18: ...sufficient space to allow for the necessary work open the door on the left side or remove the door from the rack receiving service There are slight differences between the opening allowances of the Infrastructure Racks and HPE G2 Advanced Series Racks due to the different geometries and construction of the doors Figure 9 Access with one door closed Figure 10 Access with both doors open ...

Страница 19: ... Yes Qualification of rack components for shipping A component is a term used in this document to mean a physical device intended to be mounted in the rack Examples of components include but are not limited to Slide or rail mounted devices such as server or storage units Shelved devices such as keyboards and displays KVM Switches Side mounted zero U PDUs Rear mount PDUs Fan kits that mount to the ...

Страница 20: ...hock pallet Racks ship on a CTO shock pallet The shock pallet is designed to allow the rack to be shipped while fully loaded and configured with components The shock pallet enables the rack to handle the weight of the installed components during shipment without damaging the rack or the equipment within With each rack on a shock pallet a pallet ramp is included to support the dismount of the rack ...

Страница 21: ...ire some preparation for shipment even though qualified components are used A qualified component is tested for common carrier shipment conditions often with the aid of specific hardware This hardware if required is included in the accessories shipped with the product If a component is being shipped that has not been qualified additional preparation may be required Site preparation for receiving i...

Страница 22: ...he computer room Is the raised floor rated to accommodate the planned point load weight of the rack Will the rack be removed from the pallet at a location other than the final installation location Is movement across rough surfaces likely Note HPE does not advocate tipping loaded racks to navigate height restricted doorways General considerations Before beginning these procedures on any shipment u...

Страница 23: ...mes equipped with the appropriate isolators to comply with this requirement Some shipping regulations require specific identification of the batteries enclosed with the package For example the U S Department of Transportation requires a pack enclosing a UPS battery be marked to indicate when a spill proof lead acid battery is enclosed For CTO rack shipments destined for Europe specific markings of...

Страница 24: ...ed for shipment of any rack with at least one component that has not been qualified Airfreight Since the rack cannot be safely tipped or placed on its side during transit or storage air cargo doors must have the height sufficient for the rack to be loaded and removed without tipping Consult your freight forwarder for available aircraft configurations that satisfy your particular rack height Intern...

Страница 25: ... the box but this is not required There are currently no provisions in the regulations for them to be electronically transmitted Should a shipment be rejected for any reason a Dangerous Goods Checklist should be provided which indicates the specific reason for the rejection Think of a Shipper s Declaration as a quality check for the shipper The airlines just like shippers want the declaration that...

Страница 26: ... in the documentation Pallet jacks may enter from the front or rear however front access is preferred for greater stability Consider that alternative handling schemes may be required in areas with elevated floor structures and inadequate ramp systems for example lifting the rack with eyebolts in the top frame for floors with an incline greater than 10 degrees For products with casters when negotia...

Страница 27: ...lace the rack on the pallet When rolling the rack up the ramp make sure to push firmly on the door frame and not the door mesh Note Raise the leveling feet up into the rack to allow ease of movement over the ramp and pallet Figure 14 Placing the rack on the pallet Figure 15 Removing the ramp assembly ...

Страница 28: ...7 Center the rack on the pallet and position the hold down brackets with bolts and lock washers into the threaded holes in the pallet deck Figure 16 Positioning the hold down brackets Figure 17 Positioning the rack onto the pallet ...

Страница 29: ...e pallet Close and lock both the doors Figure 19 Closing the rack doors Note Before locking the rack doors all servers and other equipment should be installed in the rack Only equipment certified to ship in the Infrastructure Racks should be installed at this time Equipment not yet certified to ship in the Infrastructure Racks should be installed onsite at the final destination to prevent damage t...

Страница 30: ... the rack Place the four corner posts on each corner of the rack Make sure that the corner posts are properly positioned around the door handles to prevent damage Note It is helpful to tape or stretch wrap the corner posts in place Note The thicker corner pad covers the hinged corner of Infrastructure Racks Figure 21 Placing the four corner posts ...

Страница 31: ...rack between the corner posts on either side of the rack Then stretch wrap the corner posts and the box containing the ramp assembly to the rack Figure 22 Placing the two corrugated fillers Place the two corrugated sides around the rack Figure 23 Placing the two corrugated sides ...

Страница 32: ...n outside plastic fastener into the upper and lower hole of each corrugated panel Fold the plastic fastener over and snap the parts in place using appropriate pressure in place to secure the panels together Figure 24 Securing the two corrugated sides Place the corrugated cap on the top of the assembly Figure 25 Placing the box cap ...

Страница 33: ...ap and corrugated sides to the pallet using two applications of banding running from front to back and then the installation is complete Figure 26 Installed shock pallet Note To dismount the rack from the CTO shock pallet reverse the previous instructions ...

Страница 34: ...allation sequence from unpacking the components to routing cabling and running a test of the systems Installation can also be provided directly by HPE authorized service providers If you need a pre certified solution contact the high performance technical computing HPC solutions group at hpe com us en servers apollo html Spares kits Contact your local reseller or the HPE Parts Store for informatio...

Страница 35: ... to your destination Once there and operational HPE G2 Rack infrastructure addresses ever evolving security threats and rising costs of operation to ensure that your intelligent datacenter infrastructure is secure flexible and easily maintained Taller wider and deeper rack options from HPE support the right compute for your enterprise re designed for the datacenter of tomorrow State of the art sec...

Страница 36: ...close together or when the dielectric between them breaks down often creating a visible spark End of Life EOL A term used for signifying discontinuation of products Fixed stabilizer An anti tip stabilizer providing stability and support when equipment is installed removed or accessed within the rack It is recommended that you should use a stabilizer option kit with a standalone rack Keyboard video...

Страница 37: ... 17 in lb 1 92049 N m M5 36 in lb 4 06692 N m M5 5 self tap 40 in lb 4 5188 N m M6 60 in lb 6 7782 N m M8 147 in lb 16 60659 N m M10 292 in lb 32 98724 N m M12 509 in lb 57 50173 N m Table B2 provides torque values for specific rack components Table B2 Torque values specific MEASUREMENT TORQUE IN LB TORQUE N M All M6 rack hardware 20 in lb 2 2594 N m Pallet bracket hold down bolts 150 in lb 16 945...

Страница 38: ...onal Standards Organization ISO 898 property classes less than 8 8 hardware for example 4 6 4 8 5 6 Steel hardware for both male and female threads is assumed For ISO 8 8 or 12 9 and SAE Grade 5 or 8 torque should be determined by the application Table B3 Torque values standard hardware MEASUREMENT TORQUE IN LB TORQUE N M 4 6 in lb 0 67782 N m 6 10 in lb 1 1297 N m 8 19 in lb 2 14643 N m 10 27 in ...

Страница 39: ...ndows are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries a00008218enw May 2017 Resources HPE Racks for Server Storage and Networking family datasheet hpe com h20195 v2 GetPDF aspx 4AA6 2115ENW pdf HPE Advanced Series Rack User Guide hpe com hpsc doc public display docId emr_na c03847895 lang en us cc us HPE Rack and Power Infrastruct...

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