{"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\/hr\/blog\/administrirovanie\/servernyj-shkaf-na-14-patch-panelej-ili-5-dnej-provedennyh-v-servernoj","title":{"rendered":"Server rack sa 14 patch panela ili 5 dana provedenih u server sobi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

<\/p>\n

Postavljanje kabela i povezivanje patch panela u serveru<\/h2>\n

<\/b>
\n\"Server
\n
\nU ovom \u010dlanku dijelim svoje iskustvo organizacije servera sa 14 patch panela.<\/p>\n

Ispod \u2013 puno fotografija.<\/i>
\n<\/a><\/noindex>
\n\"Server
\n
\n\"Server
\n<\/p>\n

Op\u0107e informacije o objektu i serveru<\/b><\/h3>\n

\nNa\u0161a tvrtka DATANETWORKS je pobijedila na natje\u010daju za izgradnju SCS-a u novoj trokatnoj uredskoj zgradi. Mre\u017ea se sastoji od 321 porta, 14 patch panela. Minimalni zahtjevi za bakreni kabel i opremu su cat 6a, FTP, budu\u0107i da prema novim standardima ISO 11801 za izgradnju korporativne mre\u017ee mora se koristiti minimalno kabel kategorije 6.<\/p>\n

Odabrali smo proizvode tvrtke Corning. Odabrane su modularne patch panele, jer su lak\u0161e za odr\u017eavanje i u slu\u010daju kvara jednog porta lako ga je zamijeniti, a da se ne izgubi korisni prostor panela. Moduli su kori\u0161teni Corning sx500, zaslijepljeni, cat 6a, tipa Keystone. Odlu\u010dili smo kupiti ormar proizveden od CMS na 42U s perforiranim vratima za bolju ventilaciju opreme i pove\u0107anim bo\u010dnim prostorom za optimizaciju postavljanja kabela i instalaciju mre\u017ene opreme. U budu\u0107nosti \u0107e nam \u0161irina ormara od 800 milimetara jako pomo\u0107i. Kabelska staza u serveru izgra\u0111ena je od mre\u017enog kanala dimenzija 300*50 mm s vje\u0161anjem na \u0161pigete i collete.<\/p>\n

Izgradnja mre\u017ee trajala je tijekom cijele godine, zbog razli\u010dite spremnosti objekta. Ja i moj partner nekoliko smo puta dolazili pomo\u0107i u monta\u017ei kabelske staze i vu\u010di kabela, ali glavni posao obavljali su drugi monteri. Posljednja faza na\u0161eg rada na objektu bilo je postavljanje i povezivanje kabela u komunikacijskom ormaru. Cjeli proces trajao je pet dana, od kojih smo tri dan proveli postavljaju\u0107i kablove u kanale i raspodjeljuju\u0107i po patch panelima.<\/p>\n

Priprema kabela za ulaz u rack i postavljanje kabelskih staza<\/b><\/h3>\n

\n\"Server
\n
\n\"Server
\n
\n\"Server
\n
\nKada smo u\u0161li u servera, vidjeli smo tri ulaza za kabel, dva su ulazila u kanal pod stropom, a jedan je izlazio s poda ispod racka. Prvotno smo odlu\u010dili skratiti veze na pribli\u017eno potrebnu duljinu, ra\u010dunaju\u0107i na metar vi\u0161ka za spajanje i obilje\u017eavanje. Duljina nekih kabela bila je o\u010digledno ve\u0107a nego \u0161to je potrebno, \u0161to bi ote\u017ealo daljnji rad na ra\u0161\u010di\u0161\u0107avanju i polaganju u kanal. Nakon skra\u0107ivanja vi\u0161ka duljine, razdvojili smo kabel prema patch panelima, 24 veze u jedan panel i svaki snop \u201cra\u0161\u010distili\u201d pomo\u0107u ure\u0111aja za polaganje kabela u snop od tvrtke PANDUIT. Razmisliv\u0161i o redoslijedu unosa kabelskih snopova u ormar, u\u010dvrstili smo ih u koljenu kabelskim vezicama s redoslijedom svaka 25-30 centimetara. Preporu\u010dljivo je unaprijed znati raspored panela i polagati kabel unaprijed kako bismo izbjegli zaplitanje. Ovaj proces trajao je dva dana, posao je monotoni\u010dan, ali rezultat pru\u017ea vizualni i tehni\u010dki redoslijed kabelskih trasa. Prilikom uno\u0161enja u rack odlu\u010dili smo ostaviti vi\u0161e kabla u obliku petlje za budu\u0107u udobnost u slu\u010daju servisiranja.<\/p>\n

Rasporedba modula, skup i monta\u017ea patch panela u rack<\/b><\/h3>\n

\n\"Server
\n
\n\"Server
\n
\nDovode\u0107i kabel do mjesta postavljanja patch panela, u\u010dvrstili smo kabelskim vezicama veze na organizatoru panela, prema broju porta. Zatim smo jo\u0161 jednom skratili vi\u0161ak duljine kabela, ostavljaju\u0107i nekoliko centimetara vi\u0161ka za obradu.<\/p>\n

Tijekom svoje prakse isprobao sam mnoge razli\u010dite module razli\u010ditih brendova. Mogu re\u0107i da je najudobniji samosadr\u017eavaju\u0107i modul Legrand. Kada okrenete plasti\u010dnu ru\u010dku, odgovaraju\u0107i dio se stegne, a samo treba odrezati krajeve \u017eica, no ti komponente pripadaju kategoriji 5e UTP, \u0161to nije primjereno u ovom slu\u010daju. Modul kompanije Corning sastoji se od dva komponente i bakrene samoljepljive trake za povezivanje zaslona. Bojna shema uvrnutih parova dobro je izvedena i smanjuje rizik od zamjene parova tokom povezivanja. Tijekom testiranja otkriveno je manje od 10 % gre\u0161aka, \u0161to je normalni rezultat za 642 modula uzimaju\u0107i u obzir zaslon. Povezivanje je trajalo otprilike 15 sati, ja s jedne strane racka, kolega s druge. Sve to vrijeme morao sam raditi stoje\u0107i, nije bilo mogu\u0107nosti da se napravi udobno radno mjesto zbog blizine stra\u017enje strane racka prema zidu preusmjeravanja. Kolega je radio sjede\u0107i, imao je sre\u0107e). U na\u0161em poslu \u010desto radimo u neudobnim uvjetima i polo\u017eajima. Ponekad je vru\u0107e, ponekad hladno, usko, previsoko ili prenisko. Dogodilo se da se kablovi provode puzaju\u0107i ili vise\u0107i s visine na sigurnosnom pojasu. Zbog toga volim svoj posao, uvijek nove lokacije, zadaci i rje\u0161enja koja \u010desto moram izumiti sam. Sjediti u uredu vi\u0161e definitivno nije za mene, nakon 8 godina takvih avantura. Tako da, nakon \u0161to sam postavio 14 patch panela, do\u0161lo je vrijeme da sve sastavim i vidim na \u0161to je potro\u0161eno pet dana. Pri\u010dvrstiv\u0161i panele i organizatore kablova na svoje jedinice (ranije osigurav\u0161i mjesto za ugradnju prekida\u010da) i vide\u0107i rezultat, dobijate nevjerojatno zadovoljstvo, to mogu nazvati euforijom. Mislim da naru\u010ditelj ne dobiva jednaku koli\u010dinu zadovoljstva kao ja kada je posao ura\u0111en savjesno. Ponekad ne\u0161to ne uspijete u\u010diniti savr\u0161eno, a zatim je te\u0161ko zaspati jer o tome razmi\u0161ljate, stoga sam shvatio da je bolje u\u010diniti odmah dobro. Nadam se da je i va\u0161e pravilo na poslu!<\/p>\n

<\/p>\n

Testiranje mre\u017ee ure\u0111ajem Fluke Networks DTX-1500<\/h3>\n

<\/b>
\n\"Server
\n
\nTestiranje mre\u017ee na integritet i boje povezivanja mo\u017ee se izvesti s nekoliko ure\u0111aja. Postoje jednostavni tester s funkcijom provjere \u017eica i boje prema \u0161emama, no za dobivanje certifikata mre\u017ee i garancije na komponente od proizvo\u0111a\u010da (u na\u0161em slu\u010daju 20 godina od tvrtke Corning) potrebno je testirati mre\u017eu ure\u0111ajem tipa DTX-1500 prema me\u0111unarodnim standardima ISO ili TIA. Ure\u0111aj mora biti kalibriran jednom godi\u0161nje, \u0161to mi uspje\u0161no radimo, ina\u010de rezultati nisu valjani. Za razliku od obi\u010dnog testera, Fluke pokazuje koje su parice zamijenjene, koja je duljina veze, gubitak signala i druge informacije. U slu\u010daju pogre\u0161ke, Fluke pokazuje na kojem kraju kabela je problem, \u0161to zna\u010dajno olak\u0161ava servis komponente. Ure\u0111aj nije jeftin, ali je nu\u017ean za izgradnju velike SCS. Nakon zavr\u0161etka testiranja rezultati se \u0161alju proizvo\u0111a\u010du na pregled i, ako je sve u redu, on daje garanciju na svoje proizvode.<\/p>\n

Zavr\u0161iv\u0161i testiranje, ispraviv\u0161i sve gre\u0161ke i obaviv\u0161i \u010di\u0161\u0107enje, objekt za montera mo\u017ee se smatrati zatvorenim. Petodnevno poslovno putovanje je zavr\u0161eno, i zadovoljni smo krenuli ku\u0107i. Dalje, posao menad\u017eera i projektanata je osigurati dokumentaciju.<\/p>\n

Od autora:<\/i><\/b><\/p>\n

\u017delim vam u\u017eivanje u radu, u kvalitetno izvr\u0161enim projektima. Osobno mi je neugodno kada je posao obavljen lo\u0161e, stalno mislim na to, nema mira. Za sebe sam shvatio da je lak\u0161e odmah raditi dobro. Nadam se da je to i va\u0161e pravilo u radu.
\n
Izvor: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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