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Cikin bayanan data center na ƙarfi mai yawa, kabilin shakka na yadda ake buƙatar su ya zama babban matsaloli na maimakon da daga cikin alamu. A lokacin da karamin rack ya ƙara kuma karamin port na switch ya taka zuwa 48 ko 64 port per rack unit (RU), kabilin shakka na kwayoyin kopper na ƙarfi su haɗa karamin kabili, su kara karamin hawaye, kuma su ƙara karamin yin karama daga cikin karamin yin karama na karamin kwayoyin kopper.
Yi amfani da kabili na Ethernet na ƙarfi mai yawa, kuma karamin kwayoyin kopper (wanda ke amfani da karamin kwayoyin kopper na 28 AWG ko 30 AWG) su biyayi wannan matsalolin alamu, su aiki da karamin kabilin shakka a lokacin amfani da karamin kabilin shakka, kuma su saita karamin yin hawaye na rack.
1. Ingantin Fisikal: Kabilin da Kabilin na Maimakon Kafin Samu
Farko a tsari na kabilin da kabilin na maimakon kafin samu da kabilin na maimakon kafin samu na yawa yana cikin gurba na kabilin na dukkanin, shugaban kabilin, kwayoyin kabilin na farko, da ingantin kabilin na maimakon kafin samu.
Ingantin da Kabilin na Maimakon Kafin Samu
| Paramita | Kabilin na Maimakon Kafin Samu (24 AWG) | Kabilin na Maimakon Kafin Samu na Yawa (28 AWG) | Kabilin na Maimakon Kafin Samu na Yawa Yawa (30 AWG) |
| Gurba na Kabilin | 24 AWG Mai Tsoro / Mai Tsoro | 28 AWG Mai Tsoro Na Yawa | 30 AWG Mai Tsoro Na Yawa Yawa |
| Diamita na gaba | ~5.8 mm – 6.5 mm | ~3.8 mm – 4.2 mm | ~2.8 mm – 3.2 mm |
| Karamin Kudin Kudin | Baseline (100%) | ~33% zuwa 50% Karamin | Karamin ta hanyar 60% |
| Yadda Yamma Ya Fi Sauran Karamin | 4x zuwa 8x Cabel OD (~25mm–50mm) | 4x Cabel OD (~15mm–16mm) | 4x Cabel OD (~11mm–12mm) |
| Flex Life Cycles | ~1,000 donya 3,000 cycles | 10,000+ dynamic flex cycles | 20,000+ dynamic flex cycles |
| PoE Support Threshold | Za a iya samun 90W (PoE++ / Type 4) | Za a iya samun 60W–90W (Yana bukatar derating) | Za a iya samun 30W–60W (Yana da karamin bundle limit) |
2. Muhimmancin abubuwan da suka hada da high-flex cables
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Fine-Stranded Conductors: Ana amfani da igiyoyi masu girma da kuma ƙarfe da ke da ƙaramin ƙwanƙwasawa a lokacin da ake lankwasawa. Ana amfani da igiyoyi masu sauƙi da aka ɗaura da jan ƙarfe da yawa. Hakan yana sa igiyoyi su iya wucewa kusa da juna sa'ad da aka lankwasa su, kuma hakan yana sa su riƙa yin aiki da kyau ba tare da su karye ba.
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Ƙananan ƙwaƙwalwar ajiyar kayan aiki na Elastomeric: Jaket na PVC na yau da kullun suna nuna "sakamakon ƙwaƙwalwar ajiya", riƙe lanƙwasawa da karkatarwa lokacin da aka sake juyawa. Babban igiyoyi masu sassauƙa suna amfani da elastomeric mai sassauƙa mai sauƙi (TPE) ko ƙwararrun mahaɗan PVC masu sassauƙa waɗanda ke tsayayya da riƙe ƙwaƙwalwar ajiya da kiyaye elasticity.
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Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙar Hanyar da kebul ya shiga cikin mahaɗin RJ45 shine babban mahimmancin damuwa. Babban igiyoyin filastik suna da haɗin kai, takalma masu sassaucin raɗaɗi tare da mai kare kariya, hana fashewar latch yayin motsawa, ƙarawa, da canje-canje (MACs).
3. Ka yi tunani a kan wannan. Amfanin zafi da sarari a cikin manyan ɗakunan ajiya
A cikin kudun server na zamanin yanzu da kudun switch na gaba (ToR), karamin kabilo ya zama mai tsarki akan karamin ƙarfi na kuma.
Kabilo na 24 AWG mai amfani sosai (Matsayin wani abin da ke bawa matsayin kuma ga rukuni na karamin kuma): > Kabilo mai yawa na karamin yadda ya taka wani al'ada na kudun, ya bawa karamin kuma na farko ta hanyar fuskansa don 50%.
Kabilo na 28 AWG mai kyau a kan karamin kuma (Matsayin wani abin da ke bawa matsayin kuma ga rukuni na karamin kuma): > Karamin yadda ya kashe ya sanya karamin kuma na farko da karamin kuma na farko, ya sa karamin kuma na farko ta hanyar fuskansa don 30% ko karanci.
Damun Gudunawa
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Karamin kuma na farko ta hanyar fuskansa ta daga baya: Kabilo na 28 AWG mai kyau a kan karamin kuma suna taka karamin kuma na farko don 50% ko karanci a cikin karamin kuma na farko da karamin kuma na farko na zero-U, ya sa karamin kuma na farko da karamin kuma na farko na HVAC.
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Karamin kuma na farko da karamin kuma na farko: Masu amfani na karamin kuma suna iya samun karamin kuma na farko don karamin kuma na farko ba tare da karamin kuma na farko, ya sa karamin kuma na farko ta hanyar fuskansa don karamin kuma na farko.
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Karamin kuma na farko ta hanyar fuskansa: Kwayar da kwayar ƙaramin massu yana zama ƙaramin strain na gravitational leverage a cikin switch ports, patch panel jacks, da server NIC interfaces.
4. Alamarin Teknikal da Kuskuren Samun Aiki
A lokacin da high-flex 28 AWG patch cables su nemo fahimtar daga ƙananan ala'adu, masu amfani na network suna bukatar gano alamarin TIA da ISO wanda suke nufin channel reach da Power over Ethernet (PoE) deployment.
TIA-568.2-D Standard Guidelines
Alamari na ANSI/TIA-568.2-D ta bayyana 28 AWG patch cords, wanda suka hada da alamarin da ke cikin kira:
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Increased Attenuation (Derating): Saboda 28 AWG conductors wanda suka dace da karamin kwayar su na neman karamin DC resistance da attenuation ga 24 AWG copper mai lafiya, karamin attenuation de-rating factors suna bukatar a amfani da su.
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Maximum Channel Distance: Yadda ake amfani da kwayoyin 28 AWG, yana zama ƙaranci wani tsari na yankin kwayoyin (kwayoyin na gaba + kwayoyin na fuskantar). Misali, idan ake amfani da 10 mita na kwayoyin 28 AWG, yana bukatar ƙaranci tsarin kwayoyin na gaba don samun tsari na 100 mita.
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Kudin Power over Ethernet (PoE): Za a iya samun kusurin yankin kwayoyin da ke cikin kwayoyin ƙarami, saboda kusurin yankin kwayoyin da ke cikin kwayoyin ƙarami, TIA yana ba da shawara cewa kudin kwayoyin yana bukatar ƙaranci (ta hanyar 12 zuwa 24 kwayoyin per bundle) idan ake bayyana kudin PoE mai yawa (misali 60W ko 90W IEEE 802.3bt Type 3/4) don rage kusurin yankin kwayoyin.