Cable ea lebelo le holimo ea DAC(Direct Attach Cable) hangata e fetoleloa e le thapo e tobileng, thapo ea koporo e hokahantsoeng ka kotloloho kapa mohala o lebelo le holimo.E hlalosoa e le moralo oa khokahano oa sebaka se khuts'oane o theko e tlase o nkang sebaka sa optical modules.Lipheletso tse peli tsa mohala o lebelo le phahameng li na le li-module Likopano tsa Cable, likou tse ke keng tsa nkeloa sebaka, lihlooho tsa module le likhoele tsa koporo li ke ke tsa aroloa, empa ha li bapisoa le likhoele tsa optical module tse sebetsang (Active Optical Cables), li-module tsa sehokelo ka likhoele tse lebelo le holimo li etsa. ha ba na li-laser tsa optical tse turang le lisebelisoa tse ling tsa elektroniki, ka hona Chelete e kholo ea litšenyehelo le tšebeliso ea matla lits'ebetsong tsa sebaka se khuts'oane.Ka lebelo le phahameng la Ethernet, cloud computing, Inthanete ea Lintho, le litsi tsa boitsebiso ba sebele, litlhoko tse ling li behiloe ho basebetsi ba setsi sa data.Lebelo la data le hlile le le tseleng e eang ho 400G, kahoo ho phaella ho hokahanngoa ka hare ho 3-5m ka har'a seva, DAC e ka boela ea sebelisoa (limithara tse 5-7 li hloka ho sebelisa lisebelisoa tse khethehileng tsa insulating ho finyella litlhoko tsa sebopeho).Khokahano e fetang libaka tsena hangata e bonoa ke AOC.
10G SFP + ho SFP + Lebelo le Phahameng Cable
The 10G SFP + ho SFP + DAC e sebelisa kopano ea cable ea twinaxial e sa sebetseng 'me e hokahana ka ho toba le mojule oa SFP +, e nang le sekhahla se phahameng, matla a tlaase, theko e tlaase, le latency e tlaase.
Ke mefuta efe ea lithapo tsa 10G SFP + ho SFP + tse lebelo tse fumanehang?
Ka kakaretso, ho na le mefuta e meraro ea lithapo tsa 10G SFP+ ho ea ho SFP+ tse lebelo le phahameng:
10G SFP+ passive copper core thapo e phahameng ea lebelo (DAC),
10G SFP+ Active Copper Core High Speed Cable (ACC),
10G SFP+ Active Optical Cable (AOC),
Li loketse likhokahano tsa marang-rang ka har'a rack le lipakeng tsa liraka tse haufi 'me li na le litšenyehelo tse ngata haholo.
SFP + passive copper core cable e phahameng ka potlako e fana ka sebopeho sa motlakase se tobileng pakeng tsa lipheletsong tse peli tsa mohala o lumellanang, 'me sebaka sa ho hokahanya se ka fihla ho 12m.Leha ho le joalo, ka lebaka la boima bo boima ba mohala le ho nahana ka bothata ba botšepehi ba pontšo, bolelele ba tšebeliso ea eona Ka kakaretso e lekanyelitsoe pakeng tsa 7m le 10m.
40G QSFP + ho QSFP + High Speed Cable
Mochine o phahameng oa 40G (DAC) o bua ka mohala o kopanyang o nang le li-transceivers tsa fiber optic lipheletsong tse peli, tse ka finyellang phetisetso ea data ea 40Gbps 'me ke tharollo e theko e boima haholo ea ho hokahanya ka potlako.Lithapo tse tloaelehileng haholo tsa 40G li ka aroloa ka mefuta e meraro: 40G QSFP + ho QSFP + DAC, 40GQSFP + ho 4 * SFP + DAC, le 40GQSFP + ho 4XFP + DAC.
40G QSFP + ho QSFP + DAC e entsoe ka li-transceivers tse peli tsa 40G QSFP + le lithapo tsa koporo tsa koporo.Cable ena e lebelo le phahameng e ka sebelisoa ho lemoha ho hokahana ha likou tsa 40G QSFP + tse teng ho likou tsa 40G QSFP +, ka kakaretso feela ka har'a 7m.bohole.
40G QSFP + ho 4 × SFP + DAC e entsoe ka 40G QSFP + optical transceiver, mohala oa koporo oa koporo le li-transceivers tse 'nè tsa 10G SFP + optical.Qetello e le 'ngoe ke sebopeho sa 40G QSFP +, se finyellang litlhoko tsa SFF-8436, 'me qetello e' ngoe ke li-interfaces tse 'nè tsa 10G SFP +., tumellanong le litlhoko tsa SFF-8432, haholo-holo e sebelisetsoang ho hlokomela khokahanyo pakeng tsa 40G le 10G thepa (NIC / HBA / CNA, lisebelisoa tsa ho fetola le seva), ho latela litlhoko tsa moreki bakeng sa bolelele ba likhoele lipheletsong tse peli, ka kakaretso feela ka hare ho 7m.Distance, hajoale ke eona e nang le chelete e ngata ebile e bonolo ho fihlella phetoho ea boema-kepe.
The 40G QSFP + ho 4XFP DAC e entsoe ka 40G QSFP + optical transceiver, terata ea koporo ea koporo le li-transceivers tse 'nè tsa 10G XFP.Kaha XFP fiber optic transceiver ha e na tekanyo ea DAC ea koporo ea koporo, puseletso ea pontšo e fanoeng ke sesebelisoa e tlaase, 'me tahlehelo ea mohala ka boeona e kholo haholo.E ka sebelisoa feela bakeng sa phetisetso ea sebaka se khuts'oane, hangata sebakeng sa 2m.Ka hona, thapo ena e lebelo le phahameng e ka sebelisoa bakeng sa Li-Interconnects tse teng tsa 40G QSFP + likoung tsa 4 XFP.
25G SFP28 ho SFP28 High Speed Cable
25G SFP28 ho SFP28 DAC e ka fa bareki bokhoni ba ho hokahanya data ea 25G e phahameng ea bandwidth, tumellanong le IEEE P802.3by Ethernet standard le SFF-8402 SFP28, 'me e sebelisoa haholo setsing sa data kapa litsing tsa tsamaiso ea supercomputing.
100G QSFP28 ho QSFP28 High Speed Cable
100G QSFP28 ho QSFP28 DAC e ka fana ka bareki ba 100G bokhoni ba ho hokahanya lintlha tse phahameng tsa bandwidth, ho fana ka liteishene tsa 4 duplex, mocha o mong le o mong o ka tšehetsa tekanyo ea ts'ebetso ea 25Gb / s, 'me bandwidth ea aggregation ke 100Gb / s, tumellanong le SFF-8436 Tlhaloso, e sebelisoang ho Khokahano pakeng tsa lisebelisoa tse nang le likou tsa QSFP28.
100G QSFP28 ho 4 * SFP28 High Speed Cable
Qetello e le 'ngoe ea 100G QSFP28 ho 4 SFP28 DAC ke sebopeho sa 100G QSFP28,' me qetello e 'ngoe ke li-interface tsa 4 25G SFP28, tse ka fanang ka bareki ba 100G bokhoni ba ho hokahanya ha data e phahameng, tumellanong le SFF-8665 / SFF-8679, Litekanyetso tsa IEEE 802.3bj le InfinibandEDR, E sebelisoa haholo setsing sa data kapa maemong a super computing center system.
Nako ea poso: Oct-18-2022