{"id":52946,"date":"2019-11-20T00:00:00","date_gmt":"2019-11-19T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/servernyj-shkaf-na-14-patch-panelej-ili-5-dnej-provedennyh-v-servernoj"},"modified":"2020-02-18T14:00:46","modified_gmt":"2020-02-18T11:00:46","slug":"servernyj-shkaf-na-14-patch-panelej-ili-5-dnej-provedennyh-v-servernoj","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/servernyj-shkaf-na-14-patch-panelej-ili-5-dnej-provedennyh-v-servernoj","title":{"rendered":"Rack server pentru 14 panouri patch sau 5 zile petrecute \u00een sala serverului","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

<\/p>\n

Montarea cablului \u0219i conectarea panourilor patch \u00een sala serverului<\/h2>\n

<\/b>
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\n\u00cen acest articol \u00eemi \u00eemp\u0103rt\u0103\u0219esc experien\u021ba de organizare a unei s\u0103li server pentru 14 panouri patch.<\/p>\n

Sub titlu \u2014 multe fotografii.<\/i>
\n<\/a><\/noindex>
\n\"Rack
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\n\"Rack
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Informa\u021bii generale despre obiect \u0219i sala serverului<\/b><\/h3>\n

\nCompania noastr\u0103 DATANETWORKS a c\u00e2\u0219tigat licita\u021bia pentru construirea SCS \u00eentr-o nou\u0103 cl\u0103dire de birouri cu trei etaje. Re\u021beaua include 321 de porturi, 14 panouri patch. Cerin\u021bele minime pentru cablul de cupru \u0219i componentele sunt cat 6a, FTP, deoarece conform noilor standarde ISO 11801, pentru construirea unei re\u021bele corporative trebuie utilizat cel pu\u021bin cablul de categoria 6.<\/p>\n

Am ales produsele companiei Corning. Panourile patch au fost alese s\u0103 fie modulare, deoarece este mai u\u0219or s\u0103 fie \u00eentre\u021binute, iar \u00een cazul defect\u0103rii unui port, acesta poate fi \u00eenlocuit u\u0219or, f\u0103r\u0103 a pierde spa\u021biul util al panoului. Modulele au fost folosite Corning sx500, blindate, cat 6a, de tip Keystone. Am decis s\u0103 cump\u0103r\u0103m un rack de la CMS de 42U cu u\u0219i perforate pentru o ventilare mai bun\u0103 a echipamentului \u0219i spa\u021biu lateral crescut pentru a optimiza montarea cablului \u0219i instalarea echipamentului de re\u021bea. \u00cen viitor, l\u0103\u021bimea rack-ului de 800 de milimetri ne va fi foarte util\u0103. Traseul de cabluri din sala serverului a fost construit din chiuvete de plas\u0103 de 300*50 mm cu sus\u021binere pe \u0219uruburi \u0219i cleme.<\/p>\n

Construirea re\u021belei a durat un an, din cauza diferitelor grade de finalizare a obiectului. Eu \u0219i colegul meu am venit de c\u00e2teva ori s\u0103 ajut\u0103m la montarea traseului de cablu \u0219i \u00eentinderea cablului, dar marea majoritate a lucr\u0103rii a fost efectuat\u0103 de al\u021bi montatori. Ultima etap\u0103 a muncii noastre la obiect a fost montarea \u0219i conectarea cablului \u00een rack-ul de comunica\u021bii. \u00centregul proces a durat cinci zile, trei dintre acestea fiind dedicate mont\u0103rii cablului \u00een chiuvete \u0219i distribuit pe panourile patch.<\/p>\n

Preg\u0103tirea cablului pentru introducerea \u00een rack \u0219i montarea traseului de cablu<\/b><\/h3>\n

\n\"Rack
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\n\"Rack
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\n\"Rack
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\nAjung\u00e2nd \u00een sala serverelor, am observat trei intr\u0103ri de cablu, dou\u0103 intrau \u00een canalul de sub tavan, iar unul ie\u0219ea de pe podea sub rack. Ini\u021bial, am decis s\u0103 scurt\u0103m cablurile la o lungime aproximativ necesar\u0103, ad\u0103ug\u00e2nd un metru de rezerv\u0103 pentru racordare \u0219i le-am marcat. Lungimea unora dintre cabluri era evident mai mare dec\u00e2t necesar, ceea ce ar fi complicat munca ulterioar\u0103 cu organizarea \u0219i aranjarea \u00een canal. T\u0103ind lungimea excesiv\u0103, am sortat cablurile pe panouri de patch, 24 de cabluri \u00eentr-un panou, iar fiecare grup de cabluri a fost \u201earanjat\u201d cu ajutorul unui dispozitiv de organizare a cablurilor de la PANDUIT. G\u00e2ndind ordinea introducerii grupurilor de cabluri \u00een rack, le-am fixat cu \u0219nuru\u021bi de cablu la intervale de 25-30 de centimetri. Este recomandabil s\u0103 \u0219tii din timp amplasarea panourilor \u0219i s\u0103 a\u0219ezi cablurile pe r\u00e2nd pentru a evita \u00eencurcarea. Acest proces a durat dou\u0103 zile, munca fiind monoton\u0103, dar rezultatul ofer\u0103 ordine vizual\u0103 \u0219i tehnic\u0103 a traseelor de cablu. La introducerea \u00een rack s-a decis s\u0103 l\u0103s\u0103m o bucl\u0103 de cablu ca rezerv\u0103 pentru o mai bun\u0103 comoditate \u00een cazul intervenirii.<\/p>\n

Racordarea modulelor, alegerea \u0219i montarea panourilor de patch \u00een rack<\/b><\/h3>\n

\n\"Rack
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\n\"Rack
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\nAduc\u00e2nd cablul la locul de instalare a panoului de patch, am fixat cu \u0219nuru\u021bi de cablu cablurile la organizatorul panoului, corespunz\u0103tor num\u0103rului de port. Apoi, am t\u0103iat din nou lungimea excesiv\u0103 a cablului, l\u0103s\u00e2nd c\u00e2\u021biva centimetri de rezerv\u0103 pentru decupare.<\/p>\n

\u00cen timpul practicii mele, am \u00eencercat numeroase module de diferite branduri. Pot spune c\u0103 cel mai convenabil modul autocompresiv este Legrand. La rotirea m\u00e2nerului din plastic, partea de r\u0103spuns se fixeaz\u0103 \u0219i r\u0103m\u00e2ne doar s\u0103 t\u0103i capetele firelor, \u00eens\u0103 aceste componente sunt din categoria 5e UTP, ceea ce \u00een acest caz nu este potrivit pentru noi. Modulul companiei Corning const\u0103 din dou\u0103 componente \u0219i o band\u0103 de cupru autocolant\u0103 pentru conectarea ecranului. Schema de culori a perechilor r\u0103sucite este bine structurat\u0103 \u0219i reduce riscul de a amesteca perechile \u00een timpul conect\u0103rii. \u00cen urma test\u0103rii, au fost mai pu\u021bin de 10% erori, ceea ce pentru 642 de module, av\u00e2nd \u00een vedere ecranul, este un rezultat normal. Am lucrat la reconectare aproximativ 15 ore; eu de o parte a rack-ului \u0219i colegul de cealalt\u0103. Tot timpul acesta, a trebuit s\u0103 lucrez \u00een picioare, nu am avut posibilitatea de a-mi construi un loc de munc\u0103 confortabil din cauza apropiatei pozi\u021bion\u0103ri a spatelui rack-ului fa\u021b\u0103 de peretele de comutare. Colegul a lucrat st\u00e2nd, a fost noroc). \u00cen profesia noastr\u0103, de multe ori trebuie s\u0103 lucr\u0103m \u00een condi\u021bii \u0219i pozi\u021bii incomode. Uneori este cald, alteori rece, \u00eenghesuit, prea \u00eenalt sau foarte jos. A fost nevoie s\u0103 \u00eentind cabluri t\u00e2r\u00e2ndu-m\u0103 sau at\u00e2rn\u00e2nd de sus cu un ham de siguran\u021b\u0103. Din aceast\u0103 cauz\u0103 \u00eemi iubesc munca, \u00eentotdeauna avem noi loca\u021bii, sarcini \u0219i solu\u021bii pe care trebuie s\u0103 le g\u0103sim singuri. S\u0103 stau \u00een birou cu siguran\u021b\u0103 nu mai este pentru mine, dup\u0103 8 ani de astfel de aventuri. A\u0219adar, dup\u0103 ce am montat 14 panouri de patch, a venit vremea s\u0103 le unesc \u0219i s\u0103 v\u0103d pentru ce am muncit timp de cinci zile. Mont\u00e2nd panourile \u0219i organizatorii de cabluri pe unit\u0103\u021bile mele (l\u0103s\u00e2nd deoparte locul pentru comutatoare) \u0219i v\u0103z\u00e2nd rezultatul, sim\u021bi o mare satisfac\u021bie, pot numi acest sentiment euforie. Cred c\u0103 solicitantul nu prime\u0219te at\u00e2t de mult\u0103 satisfac\u021bie ca mine, c\u00e2nd munca este finisat\u0103 cu seriozitate. Uneori, nu faci ceva perfect \u0219i apoi este greu s\u0103 dormi, te g\u00e2nde\u0219ti la asta, de aceea am ajuns la concluzia c\u0103 este mai bine s\u0103 faci bine din prima. Sper c\u0103 acesta este \u0219i principiul vostru \u00een munc\u0103!<\/p>\n

<\/p>\n

Testarea re\u021belei cu dispozitivul Fluke Networks DTX-1500<\/h3>\n

<\/b>
\n\"Rack
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\nTestarea re\u021belei pentru integritate \u0219i codarea culorilor poate fi efectuat\u0103 cu mai multe dispozitive. Exist\u0103 teste simple cu func\u021bia de testare a conexiunilor \u0219i coresponden\u021ba culorilor, dar pentru a ob\u021bine certificarea re\u021belei \u0219i garan\u021bia componentelor de la produc\u0103tor (\u00een cazul nostru, 20 de ani de la compania Corning) este necesar s\u0103 test\u0103m re\u021beaua cu un dispozitiv de tip DTX-1500 conform standardelor interna\u021bionale ISO sau TIA. Dispozitivul trebuie s\u0103 fie calibrat o dat\u0103 pe an, ceea ce noi realiz\u0103m cu succes; altfel, rezultatele nu sunt valide. Spre deosebire de un tester obi\u0219nuit, Fluke arat\u0103 care perechi sunt inversate, care este lungimea linkului, atenuarea semnalului \u0219i alte informa\u021bii. \u00cen caz de eroare, Fluke indic\u0103 la ce cap\u0103t al cablului a ap\u0103rut problema, ceea ce simplific\u0103 semnificativ serviciul componentului. Dispozitivul nu este ieftin, dar este esen\u021bial pentru construirea unei infrastructuri de re\u021bea de mari dimensiuni. Dup\u0103 terminarea test\u0103rii, rezultatele sunt trimise pentru revizuire produc\u0103torului \u0219i, dac\u0103 totul este \u00een regul\u0103, acesta ofer\u0103 garan\u021bia pentru produsele sale.<\/p>\n

Dup\u0103 finalizarea test\u0103rii, corectarea tuturor erorilor \u0219i cur\u0103\u021benie, obiectul pentru instalator poate fi considerat \u00eencheiat. C\u0103l\u0103toria de cinci zile s-a \u00eencheiat \u0219i am plecat acas\u0103 mul\u021bumi\u021bi. \u00cen continuare, urmeaz\u0103 munca managerilor \u0219i proiectan\u021bilor pentru furnizarea documenta\u021biei.<\/p>\n

De la autor:<\/i><\/b><\/p>\n

\u00ce\u021bi doresc s\u0103 te bucuri de munc\u0103, de proiectele realizate de calitate. Mie personal mi-e ru\u0219ine c\u00e2nd munca este f\u0103cut\u0103 prost; m\u0103 g\u00e2ndesc constant la asta, nu am lini\u0219te. Am realizat c\u0103 este mai simplu s\u0103 fac lucrurile bine de la \u00eenceput. Sper c\u0103 acesta este \u0219i principiul t\u0103u \u00een munc\u0103.
\n
Sursa: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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