StarTech.com 4POSTRACK U Series User manual

Manual Revision: 01/25/2021
User Manual
For the latest information and specications visit
www.startech.com/4POSTRACKxU
Adjustable 4 Post Open Frame Server Rack
Actual product may vary from photos
SKU#: 4POSTRACKxU

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Compliance Statements
Use of Trademarks, Registered Trademarks,
and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and
other protected names and/or symbols of third-party companies not related in
any way to StarTech.com. Where they occur these references are for illustrative
purposes only and do not represent an endorsement of a product or service
by StarTech.com, or an endorsement of the product(s) to which this manual
applies by the third-party company in question. Regardless of any direct
acknowledgement elsewhere in the body of this document, StarTech.com
hereby acknowledges that all trademarks, registered trademarks, service marks,
and other protected names and/or symbols contained in this manual and
related documents are the property of their respective holders.
PHILLIPS® is a registered trademark of Phillips Screw Company in the United
States or other countries.

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Warning Statements
• Makesurethatyouassemblethisproductaccordingtotheinstructions.
• Donotexceedtheweightcapacityofthisproduct.Overloadingthis
productmightresultininjuryorpropertydamage.Thisproductcan
supportthefollowingweight:Stationary=1200lb.(544kg)Rolling=
660lb.(300kg).
• Thisproductisintendedforindooruseonlyandshouldnotbeused
outdoors.
• Thisenclosureisextremelyheavy.Neverattempttomoveorliftthis
enclosurewithoutassistance.
• Tippinghazard!Extendingmultiplecomponentsfromthisenclosure
increasesthechancethattheenclosurewilltipover.Toavoidthisrisk,
donotextendmorethanonecomponentfromtheenclosure.
• Donotplaceanyitemsonthisenclosureanddonotstacktheenclosure
ontopofanotherenclosure.
• Keepliquidawayfromthisenclosure.
• Makesurethatyouinstalltheenclosureinanareathatcanhandlethe
combinedweightoftheenclosureandtheequipmentthatyouintend
toplaceinsideoftheenclosure.
• Thisproductrequiresanearthgroundconnection.Donotusethis
productwithoutanearthgroundconnection.
Varningar
• Setillattdumonterarproduktenienlighetmedinstruktionerna.
• Överskridinteproduktensviktkapacitet.Överbelastningavdenna
produktkanledatillskadorellerskadorpåegendom.Dennaprodukt
kanstödjaföljandevikt:stationär:544kgrullande:300kg.
• Produktenärendastavseddföranvändninginomhusochskainte
användasutomhus.
• Dettaskåpärextremttungt.Försökaldrigyttapåskåpetellerlyftadet
utanhjälp.
• Riskförvältning!Attförlängaerakomponenterfråndettaskåpökar
riskenförattdetvälter.Förlänginteeränenkomponentfrånskåpet
förattundvikarisk.
• Placeraintesakerovanpåskåpetochställinteskåpetovanpåettannat
skåp.
• Hållvätskorbortafrånskåpet.
• Setillattduinstallerarskåpetpåenplatssomkanhanteraden
kombineradeviktenavskåpetochutrustningensomdutänkerplacera
inuti.

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• Produktenbehöverenjordadanslutning.Användinteproduktenutan
enjordadanslutning.
Avertissements
• Assemblezceproduitconformémentauxinstructions.
• Nedépassezpaslacapacitépondéraledeceproduit.Unesurcharge
deceproduitpeutentraînerdesdommagescorporelsoumatériels.Ce
produitpeutsupporterlepoidssuivant,stationnaire=544kg,roulant
=300kg.
• Ceproduitestuniquementdestinéàuneutilisationenintérieuretne
doitpasêtreutiliséàl’extérieur.
• Cerackdeserveurestextrêmementlourd.Netentezjamaisdele
déplaceroudelesouleversansaide.
• Risquedebasculement!L’extensiondeplusieurscomposantsàpartir
durackdeserveuraugmentelerisquedebasculement.Pouréviterce
risque,n’étendezpasplusd’uncomposantàpartirdurackdeserveur.
• Neplacezaucunobjetsurcerackdeserveuretn’empilezpasleracksur
unautrerack.
• N’approchezaucunliquidedurackdeserveur.
• Veillezàinstallerlerackdeserveurdansunendroitpouvantsupporter
lepoidscombinéduracketdeséquipementsquevouscomptezplacer
àl’intérieur.
• Ceproduitnécessiteunraccordementàlaterre.N’utilisezpasce
produitsansraccordementàlaterre.
Warnhinweise
• BeachtenSiebeiderMontagediesesProduktsdie
Montageanweisungen.
• ÜberschreitenSienichtdieTragfähigkeitdiesesProdukts.Das
ÜberladendiesesProduktskannzuVerletzungenoderSachschäden
führen.DiesesProduktkanndasfolgendeGewichttragen:Stationär=
544kg,rollend=300kg.
• DiesesProduktistnurzumGebrauchinInnenräumenvorgesehenund
solltenichtimFreienverwendetwerden.
• DiesesGehäuseistextremschwer.VersuchenSieniemals,dieses
GehäuseohneHilfezubewegenoderanzuheben.
• Kippgefahr!DasAusziehenmehrererKomponentenausdiesem
GehäuseerhöhtdieChance,dassdasGehäuseumkippt.Umdieszu
vermeiden,ziehenSieniemalsmehralseineKomponenteausdiesem
Gehäuseaus.
• PlatzierenSiekeineGegenständeaufdemGehäuseundstapelnSiedas

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GehäusenichtaufeinemanderenGehäuse.
• HaltenSieFlüssigkeitenvondiesemGehäusefern.
• VergewissernSiesich,dassderUntergrund,aufdemdasGehäuse
aufgestelltwird,inderLageist,dasGesamtgewichtdesGehäusesund
derGeräte,dieSiedarinplatzierenmöchten,zutragen.
• DiesesProdukterforderteinenSchutzleiteranschluss.VerwendenSie
dasProduktnichtohneeinenSchutzleiteranschluss.
Dichiarazioni di avvertenza
• AssicurarsidiAssemblareilprodottosecondoleistruzioni.
• Nonsuperarelacapacitàdicaricomassimodiquestoprodottoonde
evitaredanniolesioniallaproprietà.Questoprodottoe’ingradodi
supportareilpesoriportato,Statico=544kg,Dinamico=300kg.
• Ilprodottoèdestinatoall’usoinambientiinterni.Senesconsiglia
l’impiegoinambientiesterni.
• Ilboxesternoèmoltopesante.Nontentaredispostarloosollevarlo
senzaassistenza.
• Pericolodiribaltamento!L’estensionedipiùcomponentidalbox
esternoaumentailrischiodiribaltamentodelboxesterno.Perevitare
questorischio,nonestenderepiùdiuncomponentedalboxesterno.
• Noncollocareoggettisulboxesternoenonimpilareunboxesterno
sopraunaltro.
• Tenereilboxesternolontanodailiquidi.
• Assicurarsidiinstallarloinunpuntochepossasorreggereilpeso
combinatodelboxesternoedell’apparecchiaturachesiintende
collocarealsuointerno.
• Ilprodottorichiedeunamessaaterra.Nonutilizzareilprodottoin
assenzadiunamessaaterra.
Mensagens de aviso
• Certique-sedequemontaesteprodutodeacordocomasinstruções.
• Nãoexcedaacapacidadedepesodesteproduto.Sobrecarregareste
produtopoderesultaremferimentosoudanosàpropriedade.Este
produtopodesuportaroseguintepeso:estacionário:544kg.Rolando:
300kg.
• Esteprodutodestina-seapenasaumautilizaçãonointeriorenãodeve
serutilizadonoexterior.
• Estacaixaéextremamenteresistente.Nuncatentemoveroulevantar
estacaixasemassistência.
• Perigodequeda!Estendervárioscomponentesdestacaixaaumentaa

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probabilidadedestacaixacair.Paraevitaresterisco,nãoexpandirmais
deumcomponentedestacaixa.
• Nãocolocarnenhumartigonestacaixaenãoempilharacaixaemcima
deoutracaixa.
• Manterlíquidosafastadosdestacaixa.
• Certique-sedequeinstalaacaixanumaáreaquepodesuportaro
pesocombinadodacaixaeoequipamentoquepretendecolocar
dentrodacaixa.
• Esteprodutorequerumaligaçãoàterra.Nãoutilizeesteprodutosem
umaligaçãoàterra.
Advertencias de uso
• Asegúresedeensamblaresteproductosegúnlasinstrucciones.
• Noexcedalacapacidaddecargadeesteproducto.Elsobrecargarlo
puedeocasionarlesionesydañosenpropiedad.Esteproductopuede
soportarelsiguientepeso,Estacionario=544kgRodante=300kg.
• Elusodeesteproductoessoloparainterioresynodebeutilizarseen
exteriores.
• Lacajaesextremadamentepesada.Nuncaintentemoveroalzaresta
cajasinladebidaasistenciadeotrapersona.
• ¡Peligrodevuelco!Añadiraestacajavarioscomponentesaumentalas
posibilidadesdepeligrodevuelcodelacaja.Paraevitardichoriesgo,
noañadamásqueunsolocomponente.
• Nocoloqueningúnelementoencimadelacajaynoapilelacaja
encimadeotracaja.
• Mantengacualquierlíquidolejosdelacaja.
• Asegúresedeinstalarlacajaenunáreaquetengacapacidadpara
soportarelpesocombinadodelacajayelequipoquevaainstalar
dentrodelamisma.
• Esteproductorequiereconexiónatierra.Noutiliceesteproductosin
conexiónatierra.
Waarschuwingen
• Zorgdatuditproductvolgensdeinstructiesinelkaarzet.
• Overschrijddemaximalecapaciteitvanditproductniet.Overbelasting
Demaximalegewichtscapaciteitmagnietoverschredenworden.
Overbelastingkankanletselofschadetotgevolghebben.Ditproduct
kanhetvolgendegewichtondersteunen,stationair=544kg.rollend=
300kg.
• Ditproductisalleenbedoeldvoorbinnengebruikenmagnietbuiten
wordengebruikt.

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• Dezebehuizingisenormzwaar.Probeernooitdezebehuizingte
verplaatsenofoptetillenzonderhulp.
• Kantelgevaar!Wanneermeerderecomponentenuitdezebehuizing
steken,bestaatdekansdatdezezalkantelen.Omditrisicote
voorkomen,magnietmeerdanééncomponentuitdebehuizing
steken.
• Plaatsgeenvoorwerpenopdezebehuizingenstapeldebehuizingniet
opeenanderebehuizing.
• Houdvloeistofuitdebuurtvandezebehuizing.
• Zorgdatudebehuizinginstalleertopeenplaatsdiegeschiktisvoor
hetgecombineerdegewichtvandebehuizingendeapparatuurdieu
indebehuizingwiltplaatsen.
• Ditproductvereisteengeaardeverbinding.Gebruikditproductniet
zondereengeaardeverbinding.
注意
• 必ず取扱説明書に従って本製品の組み立てを行って下さい。
• 本製品で定められた可搬重量を超えないようにして下さい。規定された
重量を超えた場合、怪我や物的損害が発生することがあります。本製品
は次の可搬重量に対応していいます。[キャスター静止時]＝544kg、[キ
ャスター動作時]＝300kg
• 本製品は、室内での使用を想定しています。戸外では使用しないで下さ
い。
• 本製品は、非常に重いエンクロージャです。絶対に一人で持ち上げたり
動かしたりしないで下さい。
• 転倒注意！本製品から複数のコンポーネントが突き出した状態にしてお
くとエンクロージャが転倒する恐れがあります。転倒リスクを回避するた
めに、エンクロージャからはコンポーネントが突き出ないようにして下
さい。
• 本製品の上に何も載せないで下さい。複数のエンクロージャを重ねて設
置しないで下さい。
• 液体物をエンクロージャに近づけないようにして下さい。
• エンクロージャ自身と中に積載する装置の総重量に耐えられるエリアに
設置して下さい。
• この製品にはアースが必要です。アース接続をしていない状態で本製品
を使用しないでください。

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Table of Contents
Compliance Statements........................................................................i
Warning Statements ..............................................................................ii
Product Diagram ....................................................................................1
Expanded View........................................................................................................................................... 1
Package Contents...................................................................................2
Requirements .........................................................................................7
Installation ..............................................................................................7
Set the Mounting Depth ........................................................................................................................ 7
Assemble the Rack.................................................................................................................................... 9
Install the Leveling Feet.......................................................................................................................... 13
Install the Casters...................................................................................................................................... 13
Install the Cable Management Hooks ............................................................................................... 14
Ground the Rack........................................................................................................................................ 15
Operation ................................................................................................16
Adjust the Leveling Feet......................................................................................................................... 16
Warranty Information............................................................................17

1
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Product Diagram
Expanded View
1Left Vertical Rails (x 2) 5Center Sections (x 4)
2Right Vertical Rails (x 2) 6Top Brackets (x 2)
3Base Brackets (x 2) 18 Casters (x 4)
4Corner Sections (x 8) 19 Leveling Feet (x 4)

2
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Package Contents
Left Vertical Rail
Qty: 2
Right Vertical Rail
Qty: 2
Base Bracket
Qty: 2
Corner Section
Qty: 8

3
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Center Section
Qty: 4
Top Bracket
Qty: 2
M8 Bolt
Qty: 50
M8 Washer
Qty: 50
10 mm Wrench
Qty: 1
13 mm Wrench
Qty: 1

4
Phillips Head Screwdriver
Qty: 1
M6 Cage Nuts
8U/12U/15U/18U Qty: 24
25U Qty: 32
42U Qty: 50
M6 Plastic Washers
8U/12U/15U/18U Qty: 24
25U Qty: 32
42U Qty: 50
M6 Phillips Head Screw
8U/12U/15U/18U Qty: 24
25U Qty: 32
42U Qty: 50
Cable Management Hooks
8U/12U Qty: 4
15U/18U Qty: 8
25U Qty: 12
42U Qty: 24
Hook Mounting Screws
8U/12U Qty: 4
15U/18U Qty: 8
25U Qty: 12
42U Qty: 24

5
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Casters
Qty: 4
Leveling Feet
Qty: 4
M6 Screws
Qty: 18
M6 Flat Washers
Qty: 18
M6 Flange Nut
Qty: 18 Grounding Wires
Qty: 4

6
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M6 Grounding Wire Bolts
Qty: 4
M6 Grounding Wire Lock
Washers
Qty: 4

7
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Requirements
For the latest requirements please visit
www.startech.com/4POSTRACKxxU.
• Pliers (sold separately)
• 14 mm Wrench (sold separately)
• Two People (for assembly)
• Earth Ground Connection
• (Optional) Spirit/Bubble Level (sold separately)
Installation
Note: Two people are required for the Rack assembly.
Set the Mounting Depth
1. Align the Corner Sections (x 2) with the Center Sections
(x1) and slide the Corner Sections overtop of the Center
Sections. (Figure 1)
2. Determine the maximum required mounting depth for the
Rack Mountable Equipment. Review the Mounting Depth
Chart to determine the Setting Numbers that are required
for the application.
Figure 1

8
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Mounting Depth Chart
Mounting
Depth
Setting
Numbers
Mounting
Depth
Setting
Numbers
22 in. 0 and 0 32 in. 5 and 5
23 in. 1 and 0 33 in. 5 and 6
24 in. 1 and 1 34 in. 6 and 6
25 in. 1 and 2 35 in. 6 and 7
26 in. 2 and 2 36 in. 7 and 7
27 in. 2 and 3 37 in. 7 and 8
28 in. 3 and 3 38 in. 8 and 8
29 in. 3 and 4 39 in. 8 and 9
30 in. 4 and 4 40 in. 9 and 9
31 in. 4 and 5
3. Slide the Corner Sections (x 2), inward along the Center
Sections (x1), and align the Setting Numbers on the Center
Sections with the rst Rectangular Cutout on the Corner
Sections (x 2). (Figure 2)
Figure 2

9
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4. Insert eight M8 Bolts through eight M8 Washers and into
the holes in the Corner Sections (x2) and Center Sections.
(Figure 3)
5. Tighten the M8 Bolts on the Centre Section Assembly
using the 13 mm Wrench.
Assemble the Rack
1. Place one Left Vertical Rail and Right Vertical Rail on the
ground so that they are parallel to one another.
Note: The rack height numbers should be facing outwards
and up.
2. Insert one Center Section Assembly between the bottom
of the Left Vertical Rail and the Right Vertical Rail. Ensure
the holes in the ends of the Center Section Assembly align
with the holes in the bottom of the Left Vertical Rail and
the Right Vertical Rail.
Note: The Setting Numbers on the Center Section
Assembly should be facing the ground.
3. Lift a Base Bracket so that it is vertical and align the two
holes in the side with the two holes in the Vertical Rail and
Center Section Assembly.
Figure 3

10
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4. Insert two M8 Bolts through two M8 Washers and into the
holes in the Base Bracket,Vertical Rails, and the Center
Section Assembly. Repeat for the other side of the Base
Bracket.(Figure 4)
5. Tighten the M8 Bolts using the 13 mm Wrench.
6. Repeat steps 3 to 5 to install the second Base Bracket.
7. Lift the current assembly of parts upright.
Figure 4

11
8. Slide a second Center Section Assembly between the other
side of the Base Brackets. (Figure 5)
Note: The Setting Numbers on the Center Section
Assembly should be facing the outside of the Rack.
9. Slide the Left Vertical Rail between the Base Bracket and
the Center Section Assembly.
Note: The rack height numbers on the Left Vertical Rail
should be facing upright.
10. Insert two M8 Bolts through two M8 Washers and into the
holes in the Base Bracket that align with the Vertical Rails
and the Center Section Assembly.
11. Tighten the M8 Bolts using the 13 mm Wrench.
12. Repeat steps 9 to 11 to install the Right Vertical Rail.
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Figure 5

12
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13. Slide a Center Section Assembly between the top of the
Vertical Rails on the left-hand side of the Rack.
14. Slide a Center Section Assembly between the top of the
Vertical Rails on the right-hand side of the Rack.
15. Place one Top Bracket on the top front side of the Rack.
(Figure 6)
16. Place a second Top Bracket on the top rear side of the Rack.
17. Insert eight M8 Bolts through eight M8 Washers and into
the holes in the Top Brackets and the tops of the Vertical
Rails. (Figure 7)
18. Tighten the M8 Bolts using the 13 mm Wrench.
Figure 6