Cable ea lebelo le phahameng ea DAC(Keyboard e Kopanyang ka ho Otloloha) hangata e fetoleloa e le keyboard e otlolohileng, keyboard e hokahanyang ka ho otloloha kapa keyboard e lebelo le phahameng. E hlalosoa e le morero oa khokahano ea sebaka se sekhutšoanyane o theko e tlase o nkang sebaka sa li-module tsa optical. Lipheletso ka bobeli tsa keyboard e lebelo le phahameng li na le li-module Likopano tsa keyboard, likou tse sa nkeloeng sebaka, lihlooho tsa li-module le li-cable tsa koporo li ke ke tsa aroloa, empa ha li bapisoa le li-cable tsa optical tse sebetsang tsa module ea optical (Li-Cable tsa Optical tse Sebetsang), li-module tsa sehokelo li-cable tsa lebelo le phahameng ha li na li-laser tsa optical tse turang le likarolo tse ling tsa elektroniki, kahoo ho boloka chelete e ngata litšenyehelong le tšebelisong ea matla lits'ebetsong tsa sebaka se sekhutšoanyane. Ka lebelo le phahameng la Ethernet, computing ea leru, Inthanete ea Lintho, le litsi tsa data tse fumanehang, litlhoko tse ling li behiloe ho basebetsi ba litsi tsa data. Lebelo la data le tseleng e eang ho 400G, kahoo ho phaella khokahanong e ka hare ho 3-5m ho seva, DAC le eona e ka sebelisoa (limithara tse 5-7 li hloka ho sebelisa thepa e khethehileng ea ho thibela ho fihlela litlhoko tsa litšobotsi). Khokahano e fetang libaka tsena hangata e bonoa ke AOC.
10G SFP+ ho ea ho SFP+ Lebelo le Phahameng Thapo
10G SFP+ ho ea ho SFP+ DAC e sebelisa kopano ea cable ea twinaxial e sa sebetseng 'me e hokela ka ho toba ho module ea SFP+, e nang le boima bo phahameng, matla a tlase, litšenyehelo tse tlase le lateness e tlase.
Ke mefuta efe ea likhoele tse lebelo le phahameng tsa 10G SFP+ ho ea ho SFP+ tse fumanehang?
Ka kakaretso, ho na le mefuta e meraro ea likhoele tse lebelo le phahameng tsa 10G SFP+ ho ea ho SFP+:
Thapo e phahameng ea 10G SFP+ ea koporo e sa sebetseng (DAC),
Cable ea 10G SFP+ e Sebetsang ea Koporo e Potlakileng (ACC),
Cable ea Optical e Sebetsang ea 10G SFP+ (AOC),
Li loketse likhokahano tsa marang-rang ka har'a rack le pakeng tsa liraka tse haufi 'me li theko e tlaase haholo.
Thapo e potlakileng ea SFP+ ea koporo e sa sebetseng e fana ka sebopeho se tobileng sa motlakase pakeng tsa lipheletso tse peli tsa thapo e tsamaellanang, 'me sebaka sa khokahano se ka fihla ho 12m. Leha ho le joalo, ka lebaka la boima bo boima ba thapo le ho nahana ka bothata ba botšepehi ba lets'oao, bolelele ba ts'ebeliso ea eona Ka kakaretso e lekanyelitsoe ho pakeng tsa 7m le 10m.
Cable ea 40G QSFP+ ho ea ho QSFP+ e Potlakileng
Thapo e lebelo le phahameng ea 40G (DAC) e bolela thapo e hokahanyang e nang le li-transceiver tsa fiber optic mahlakoreng ka bobeli, e ka finyellang phetiso ea data ea 40Gbps 'me ke tharollo ea khokahano e lebelo le phahameng e theko e tlaase. Lithapo tse tloaelehileng tsa lebelo le phahameng tsa 40G li ka aroloa ka mefuta e meraro: 40G QSFP+ ho ea ho QSFP+DAC, 40GQSFP+ ho ea ho 4*SFP+DAC, le 40GQSFP+ ho ea ho 4XFP+DAC.
40G QSFP+ ho ea ho QSFP+ DAC e entsoe ka li-transceiver tse peli tsa optical tsa 40G QSFP+ le lithapo tsa koporo tsa mantlha. Thapo ena ea lebelo le phahameng e ka sebelisoa ho hokahanya likou tse teng tsa 40G QSFP+ le likou tsa 40G QSFP+, ka kakaretso e ka ba bohōle ba limithara tse 7 feela.
40G QSFP+ ho isa ho 4×SFP+ DAC e entsoe ka transceiver e le 'ngoe ea optical ea 40G QSFP+, terata ea koporo le li-transceiver tse 'ne tsa optical tsa 10G SFP+. Karolo e 'ngoe ke sebopeho sa 40G QSFP+, se fihlelang litlhoko tsa SFF-8436, 'me karolo e 'ngoe ke li-interface tse 'ne tsa 10G SFP+. , tumellanong le litlhoko tsa SFF-8432, e sebelisoang haholo ho phethahatsa khokahano lipakeng tsa lisebelisoa tsa 40G le 10G (NIC/HBA/CNA, lisebelisoa tsa switch le seva), ho latela litlhoko tsa moreki bakeng sa bolelele ba likhoele mahlakoreng ka bobeli, ka kakaretso li ka har'a 7m feela. Sebaka, hajoale ke phetoho e theko e tlaase le e bonolo ka ho fetisisa ho fihlella switch port.
40G QSFP+ ho isa ho 4XFP DAC e entsoe ka transceiver e le 'ngoe ea optical ea 40G QSFP+, terata ea koporo le li-transceiver tse 'ne tsa optical tsa 10G XFP. Kaha transceiver ea fiber optic ea XFP ha e na tekanyetso ea thapo ea koporo ea DAC, puseletso ea lets'oao e fanoang ke sesebelisoa e tlase, 'me tahlehelo ea thapo ka boeona e kholo haholo. E ka sebelisoa feela bakeng sa phetiso ea sebaka se sekhutšoanyane, ka kakaretso e ka har'a sebaka sa 2m. Ka hona, thapo ena ea lebelo le phahameng e ka sebelisoa bakeng sa Li-Interconnect tse teng tsa 40G QSFP+ likoung tse 4 tsa XFP.
Cable ea 25G SFP28 ho ea ho SFP28 e Potlakileng
25G SFP28 ho ea ho SFP28 DAC e ka fa bareki bokhoni ba ho hokela data ba 25G ba bandwidth e phahameng, ho latela maemo a IEEE P802.3 ka Ethernet le SFF-8402 SFP28, 'me e sebelisoa haholo maemong a sistimi ea setsi sa data kapa ea likhomphutha tse kholo.
Cable ea 100G QSFP28 ho ea ho QSFP28 e Potlakileng
100G QSFP28 ho ea ho QSFP28 DAC e ka fa bareki bokhoni ba ho hokela data ba 100G ba bandwidth e phahameng, e fana ka liteishene tse 4 tsa duplex, kanale ka 'ngoe e ka tšehetsa sekhahla sa ts'ebetso sa ho fihla ho 25Gb/s, 'me bandwidth ea pokello ke 100Gb/s, ho latela tlhaloso ea SFF-8436, e sebelisoang ho Hokela pakeng tsa lisebelisoa tse nang le likou tsa QSFP28.
Cable ea 100G QSFP28 ho isa ho 4 * SFP28 e Potlakileng
Pheletso e 'ngoe ea 100G QSFP28 ho isa ho 4 SFP28 DAC ke sebopeho sa 100G QSFP28, 'me pheletso e 'ngoe ke li-interface tse 4 tsa 25G SFP28, tse ka fang bareki bokhoni ba ho hokela data ba 100G ba bandwidth e phahameng, ho latela maemo a SFF-8665/SFF-8679, IEEE 802.3bj le InfinibandEDR, E sebelisoa haholo litsing tsa data kapa maemong a sistimi ea litsi tsa super computing.
Nako ea poso: Mphalane-18-2022