Lus teb luv luv:Txhim kho lub vaj huam sib luag thiab hloov pauv yuav tsum txuas ob qho tib si hauv cov khoom siv khib nyiab, tshem tawm cov Ethernet cables nkag mus rau hauv thaj vaj huam sib luag, daim ntawv qhia chaw nres nkoj, txuas ob lub xov tooj luv luv, thiab teeb tsa txhua yam nrog kev tswj xyuas kom zoo. Cov txheej txheem feem ntau siv sijhawm 2-4 teev rau kev teeb tsa 24-chaw nres nkoj.
Lub vaj huam sib luag thaj thiab qhov hloov Ethernet zaum ntawm qhov chaw nruab nrab ntawm txhua qhov dej-kev sib koom tes. Lub thaj vaj huam sib luag tuav lub cev cable txiav thiab sau npe; tus hloov ua haujlwm rau kev xa mus. Tau txais kev txhim kho txoj cai, thiab koj xaus nrog lub kaw lus uas xyaum daws teeb meem nws tus kheej. Ua tsis ncaj ncees lawm, thiab koj siv lub hlis taug qab cov kab tsis muaj npe los ntawm cov khoom sib txuas.
Kuv tau pom ob qhov txiaj ntsig ntau dua li kuv suav tau. Qhov sib txawv yuav luag ib txwm los ntawm kev npaj thiab kev qhuab qhia thaum lub sijhawm pib teeb tsa - tsis yog cov cuab yeej kim lossis cov ntawv pov thawj qib siab.
Cov lus qhia no taug kev los ntawm kev ua haujlwm tag nrho ntawm kev teeb tsa- kev npaj, khib mounting, cable termination, patching, validation, thiab cable tswj-nrog rau hom kev nthuav dav uas yeej tseem ceeb thaum koj nyob nraum sawv ntawm lub qhov qhib khib.
Patch Vaj Huam Sib Luag vs. Hloov: Vim Li Cas Koj Xav Tau Ob
Cov neeg tshiab rau kev teeb tsa cabling feem ntau xav tsis thoob vim li cas lawv tsis tuaj yeem txuas cov kab rov tav ncaj nraim rau hauv qhov hloov. Cov lus teb luv luv yog hnav thiab tsim kua muag. Kab rov tav khiav- cov kab txuas mus tas li hauv cov phab ntsa thiab qab nthab- tsis yooj yim los hloov. Lub thaj vaj huam sib luag ua raws li qhov tsis muaj. Cov kab hluav taws xob tas mus li xaus rau tom qab ntawm lub vaj huam sib luag thiab nyob ntawd tau ntau xyoo. Nyob rau sab pem hauv ntej, pheej yig patch cords txuas txhua lub vaj huam sib luag chaw nres nkoj mus rau qhov hloov. Thaum ib txoj hlua khi hnav tawm, koj hloov pauv $ 2 cable es tsis txhob rov- rub $ 200 kab rov tav.
Lub vaj huam sib luag yog ib qho khoom siv passive-tsis muaj hluav taws xob, tsis muaj kev teeb tsa. Nws muab cov kab ntawv sau npe ntawm RJ45 jacks qhov twg cov cables mus tas li. Ib qho Ethernet hloov yog ib yam khoom siv uas nyeem cov chaw nyob MAC thiab xa mus rau qhov chaw nres nkoj kom raug. Hauv PoE tes hauj lwm, qhov hloov pauv kuj tseem xa DC lub zog hla lub cable. Ob leeg ua haujlwm sib txawv hauv lub luag haujlwm, thiab kho lawv li kev hloov pauv tau yog hom luv luv uas ua rau mob taub hau rau lub hlis tom qab thaum ib tus neeg xav tau txav lub tshuab luam ntawv mus rau lwm qhov chaw.
Cov cuab yeej thiab cov khoom koj xav tau
Sib sau ua ke txhua yam ua ntej koj pib tiv thaiv kev mus ncig tsis tsim nyog nruab nrab - kev teeb tsa. Cov khoom tseem ceeb muaj xws li cov punch-cov cuab yeej nqis (110-style rau feem ntau cov pob zeb thiab thaj vaj huam sib luag), cov khoom siv hluav taws xob rau kev txheeb xyuas qhov txuas ntxiv thiab xaim xaj, lub hau ntswj lossis lub tawb-txiv ntseej rau khib mounting, lub tshuab luam ntawv daim ntawv lo, Velcro cable ties, thiab thaj cords lawv tus kheej.
Ib qho kev nthuav dav tib neeg saib dhau: phim koj cov hlua khi rau cov qeb ntawm cov kab rov tav hauv qhov chaw. Yog hais tias lub tsev yog wired nrog Cat6A shielded cable, khiav Cat5e unshielded thaj cords bottlenecks tag nrho cov channel. Qhov kev sib txuas tsis muaj zog ua rau lub qab nthab rau tag nrho txoj kev. Tib txoj cai no siv rau hauv fiber ntau infrastructure- xaiv qhov raugfiber optic thaj qaumrau txhua daim ntawv thov ua kom cov teeb liab kev ncaj ncees kawg mus rau qhov kawg.
Kauj Ruam 1: Xaiv Qhov Chaw Zoo
Kub thiab airflow cuam tshuam cov cuab yeej siv tau ntev tshaj li feem ntau cov installers paub. Muab cov khib nyiab tso rau hauv qhov chaw uas muaj qhov cua zoo sib xws- qhov zoo tshaj plaws yog chav sib tham nrog kev tswj hwm huab cua. Tsis txhob siv cov chav tsev uas lub qhov cub lossis lub rhaub dej ua kom sov thiab noo. Kuv ib zaug taug kev mus rau hauv ib qhov chaw uas lub network khib tau koom nrog lub txee dai khaub ncaws nrog lub rhaub dej kub. Qhov kev hloov pauv tau khiav ntawm 55℃thiab tau rov pib dua nws tus kheej random rau lub lis piam-tsis muaj leej twg tau txuas cov dots.
Centrality tseem ceeb heev. TIA-568.2-D tus qauv (Tshooj 6.2) txwv ib qho kab rov tav tooj liab khiav mus rau 90 meters ntawm qhov txuas mus tas li ntxiv rau 10 meters ntawm kev sib txuas ua ke thiab cov khoom siv hlua. Muab koj lub khib nyiab ze ntawm thaj chaw ntawm lub tsev khaws txhua qhov chaw ua haujlwm nyob rau hauv qhov rais 100-meter thiab zam qhov kev siv nyiaj ntxiv rau IDFs theem nrab.
Paub meej tias muaj hluav taws xob txaus. Lub siab loaded 48-chaw nres nkoj PoE + hloov mus txog 740 watts ib IEEE 802.3at. Ntxiv ib lub UPS thiab firewall, thiab koj tuaj yeem tshaj ib qho 15-amp, 120V Circuit Court. Npaj lub hwj chim ua ntej koj bolt dab tsi rau ntawm phab ntsa.
Kauj ruam 2: Npaj lub Rack Layout
Tus qauv 19-inch EIA khib ntsuas qhov chaw hauv cov khib nyiab (1U=1.75 ntiv tes / 44.45 mm, ib EIA-310-E). Feem ntau 24-chaw nres nkoj thaj vaj huam sib luag nyob 1U, ib yam li kev tswj hwm kev hloov pauv. Nruab nrab ntawm txhua lub vaj huam sib luag thiab nws qhov kev sib txuas, nruab ib tus neeg saib xyuas kab rov tav 1U-qhov no muab cov hlua khi rau txoj hauv kev huv si thiab tiv thaiv cov cables los ntawm dangling rau pem hauv ntej ntawm khib.
Lub cev txoj hauj lwm ntawm lub vaj huam sib luag yog nyob ntawm seb cov kab rov tav nkag mus li cas. Thaum cov cables poob los ntawm saum taub hau, mount lub vaj huam sib luag ze rau saum. Thaum cov kab hluav taws xob nce los ntawm cov kav dej hauv pem teb, mount nws ze rau hauv qab. Thaum cov cables nkag los ntawm sab, ib nrab -rack txoj hauj lwm ua haujlwm zoo tshaj plaws. Qhov no tsis yog qhov kev xaiv zoo nkauj- nws cuam tshuam ncaj qha rau kev tswj lub vojvoog khoov thiab lub sijhawm ua haujlwm ntev -.
Siv daim duab yooj yim lossis daim ntawv nthuav qhia los piav qhia txhua qhov chaw nres nkoj ntawm lub vaj huam sib luag rau nws qhov chaw hloov chaw thiab qhov kawg. Daim ntawv qhia chaw nres nkoj no dhau los ua ib daim ntawv tseem ceeb tshaj plaws rau kev daws teeb meem yav tom ntej thiab MAC (tsav, ntxiv, hloov) kev ua haujlwm. Hla nws tam sim no, thiab koj yuav khuv xim nws hauv thawj lub hlis.
Kauj ruam 3: Mount lub Patch Vaj Huam Sib Luag thiab Hloov
Ruaj lub vaj huam sib luag rau lub khib siv lub tawb txiv ntoo thiab tshuab screws. Siv qib - eyeballing nws tsis txhim khu kev qha thaum koj stacking ntau units. Nruab tus thawj tswj kab rov tav kab ncaj nraim hauv qab lub vaj huam sib luag, tom qab ntawd mount qhov hloov hauv qab tus neeg saib xyuas cable. Qhov "panel-manager-hloov" stacking qauv no ua rau cov hlua khi luv luv thiab ua kom zoo. Rau racks nrog ntau khub, rov ua tus qauv vertically. Kev sib raug zoo thoob plaws lub khib txuag lub sijhawm tiag tiag thaum twg lwm tus xav tau ua haujlwm rau nws.
Kauj Ruam 4: Tshem tawm Kab rov tav Cables
Cov kauj ruam no yog qhov uas precision tseem ceeb tshaj plaws. Route txhua kab kab rov tav mus rau tom qab ntawm lub vaj huam sib luag, tawm hauv lub voj voog ntawm 12 mus rau 18 ntiv tes ntawm slack. Lub voj kev pabcuam ntawd tsis yog siv cable nkim-nws yog kev pov hwm. Yog tias thawj qhov kev txiav tawm ua tsis tiav lossis lub vaj huam sib luag yuav tsum tau rov ua dua, qhov ntxiv slack muab rau koj rov qab - txiav tawm yam tsis tau rub cov kab tshiab.
Sawb kwv yees li 2 ntiv tes ntawm lub tsho sab nrauv thiab untwist tsuas yog txaus ntawm txhua tus neeg xyuas pib kom ncav cuag IDC qhov ntawm lub vaj huam sib luag vaj huam sib luag. Qhov no yog qhov tseem ceeb: ntau dhau untwisting degrades tus twist piv uas tswj crosstalk. TIA-568.2-D qhia qhov siab tshaj plaws untwist ntev ntawm 0.5 nti (13 mm) rau Cat6 thiab Cat6A terminations. Ua raws li cov xim code luam tawm ntawm module-T568A lossis T568B. Feem ntau cov chaw lag luam hauv Tebchaws Meskas siv T568B. Txoj cai tseem ceeb tsis yog tus qauv twg koj xaiv, tab sis koj xaiv ib qho thiab siv nws hla txhua qhov kev txiav tawm.
Zaum txhua tus neeg xyuas pib ruaj khov siv lub punch-cov cuab yeej nqis. Cov hniav txiav cov hlau ntau dhau thiab nias tus neeg xyuas pib mus rau hauv IDC qhov ib txhij. Yog tias qhov txiav tsis huv, rov- zaum nws. Tus neeg xyuas pib uas tsis zaum tag nrho yuav ua rau muaj teeb meem kev sib txuas sib txuas uas ua rau muaj kev ntxhov siab los taug qab.
Hauv hybrid tooj liab- fiber ntau tes hauj lwm, kev txiav tawm ua raws cov txheej txheem sib txawv ntawm sab fiber ntau - fusion splicing lossis mechanical connectors es tsis txhob xuas nrig ntaus - down. Yog tias koj lub installation muaj xws li fiber ntau khiav, nkag siab qhov sib txawv ntawmfiber ntau pigtails thiab thaj cordspab koj xaiv txoj kev txiav tawm txoj cai rau txhua ntu.
Kauj ruam 5: Txuas Patch Vaj Huam Sib Luag rau Hloov
Nrog rau tag nrho cov kab rov tav cables raug txiav tawm thiab qhov hloov pauv tau siv rau, txuas txhua qhov chaw nres nkoj vaj huam sib luag rau nws qhov chaw nres nkoj hloov chaw siv lub thaj qaum ntawm qhov raug qeb thiab ntev. Tsis txhob siv hlua khi ntau dhau -txoj hlua 1-taw qhov twg 1-ko taw qaum haum. Tshaj cable tsim clutters, txwv airflow, thiab ua rau ib tug neeg cable tracing tsis yooj yim sua nyob rau hauv ib tug ntom khib.
Route txhua thaj qaum los ntawm tus thawj tswj kab rov tav es tsis yog draping nws ncaj qha los ntawm vaj huam sib luag los hloov. Qhov kev qhuab qhia no zoo li fussy thaum lub sijhawm teeb tsa, tab sis nws them tam sim ntawd thawj zaug koj yuav tsum taug qab lossis hloov ib qho kev sib txuas. Yog tias koj lub khib nyiab tseem nqa cov kev sib txuas fiber ntau, tib txoj kev qhuab qhia tseem ceeb dua -fiber optic thaj cords xa cov teeb liabuas yog rhiab heev rau khoov vojvoog ua txhaum cai, yog li ib tug kinked jumper tsis tsuas yog degrade kev ua tau zoo, nws muaj peev xwm tua qhov txuas tag nrho.
Kauj Ruam 6: Sau txhua yam
Sau ob qhov kawg ntawm txhua lub cable nrog tib tus cim. Lub tswv yim yooj yim ua haujlwm tau zoo tshaj plaws: chav xov tooj lossis lub npe ntaus ntawv ua raws li lub vaj huam sib luag chaw nres nkoj tus lej-piv txwv li, "RM-214 / PP1-09." Siv tib daim ntawv lo rau ntawm phab ntsa jack ntawm qhov kawg. Sau daim ntawv lo tsis yog sau ntawv rau lawv. Cov ntawv sau ntawv yuav ploj mus thiab ua tsis tau raws li ib xyoos lossis ob xyoos, tshwj xeeb tshaj yog nyob rau hauv cov khaub ncaws sov. Ib lub tshuab luam ntawv thermal daim ntawv qhia tus nqi kwv yees li $ 30 thiab them rau nws tus kheej ntawm thawj qhov kev teeb tsa.
Kauj Ruam 7: Kuaj thiab siv tau
Tsis txhob xav tias qhov kev txiav tawm yog qhov zoo vim tias lub cable tester qhia qhov txuas teeb. Lub teeb txuas tsuas yog qhia rau koj qee qhov kev sib txuas hluav taws xob muaj nyob - nws tsis txheeb xyuas qhov tseeb tus pin. Khiav ib qho kev sim wiremap ntawm txhua qhov chaw nres nkoj txiav tawm kom paub meej tias txoj haujlwm raug tus pin hla tag nrho yim tus neeg xyuas pib, kev sib koom ua ke kom raug, thiab qhov tsis muaj luv luv, qhib, lossis faib ua khub. Yog tias koj tau lees paub qhov kev teeb tsa rau TIA cov qauv, kev xeem channel nrog Fluke DSX lossis qhov sib npaug cable analyzer muab cov txiaj ntsig dhau los / tsis ua raws li cov lus qhia tshwj xeeb hauv qeb- ntsuas qhov poob, rov qab poob, NEXT, thiab lwm yam tsis muaj ib qho yooj yim wiremap tester nrhiav tsis tau.
Cais cov ntaub ntawv cables los ntawm lub hwj chim cables tsawg kawg yog 12 ntiv tes uas lawv khiav nyob rau hauv parallel, raws li TIA-569-E cov lus qhia. Hla ntawm 90 degrees yog txais. Qhov kev sib cais no txo qis kev cuam tshuam hluav taws xob, tshwj xeeb tshaj yog ntawm 10GBASE-T nrawm dua Cat6A.
Kev Tswj Xyuas Cable Zoo Tshaj Plaws
Kev tswj cov kab hluav taws xob zoo tsis yog tshuaj pleev ib ce - nws ua haujlwm. Ib lub qhov dej- hnav khaub ncaws txiav txhais tau tias lub sijhawm kho (MTTR) zoo heev vim tias cov kws tshaj lij tuaj yeem txheeb xyuas thiab nkag mus rau ib qho cable hauv vib nas this. Lub khib nyiab hloov tau tsib-feeb cable pauv mus rau peb caug-feeb archaeology khawb.
Kab rov tav cable managers tsim kom muaj sab laug - mus rau - txoj hauv kev rau thaj cords. Ntiv tes-duct style managers nrog tshem tau npog ua rau nws yooj yim mus ntxiv los yog tshem tawm cables tom qab. D-ring managers yog sib dua thiab txhim kho airflow tab sis muaj kev tiv thaiv lub cev tsawg dua.
Vertical cable managers khiav raws racks sab thiab tuav cables taug kev ntawm cov khib nyiab. Cov neeg saib xyuas yas nrog khoov- ntiv tes vojvoog yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov jumpers fiber ntau. Velcro cable ties outperform nylon zip ties -lawv yog reusable, adjustable, thiab tsis tuaj yeem dhau - nruj kom tsoo lub tsho cable. Tshaj -tightened zip ties deform lub cable geometry, uas ua rau kom crosstalk thiab rov poob. Kuv tau taug qab ntau dua ib qho kev cuam tshuam Cat6A tsis ua haujlwm rov qab mus rau ib zaug dhau -torqued zip khi faus rau hauv ib pob.
Fiber Patch Panels hauv Mixed Networks
Ntau lub network niaj hnub no tsis yog tooj liab nkaus xwb. Fiber caj qaum txuas ntawm cov plag tsev lossis cov tsev yog cov qauv kev coj ua. Thaum lub khib nyiab suav nrog ob qho tib si tooj liab thiab fiber ntau thaj vaj huam sib luag, khaws fiber ntau panels nyob rau hauv ib qho kev sib cais nrog rau kev tswj xyuas cable. Fiber cables muaj stricter yam tsawg kawg nkaus khoov vojvoog uas yuav tsum tau tshaj tooj liab, thiab sib tov lawv nyob rau hauv tib lub cable manager yog ib daim ntawv qhia rau puas connectors thiab degraded links.
Rau siab - fiber ntau patching, LC connectors tau dhau los ua lub neej ntawd nyob rau hauv feem ntau cov ntaub ntawv chaw ib puag ncig. Kev sib piv ntawmLC thiab SC fiber ntau optic connectorstuaj yeem pab koj xaiv txoj kev xaiv raws li qhov xav tau ceev thiab cov txheej txheem uas twb muaj lawm.
Hauv FTTH thiab PON kev xa tawm qhov twg ib qho kev tawm tswv yim kho qhov muag faib thoob plaws ntau cov neeg siv khoom,PLC fiber ntau optic splitterslis lub teeb liab faib ntawm thaj vaj huam sib luag theem, ua rau lub khib nyiab qhov tseeb convergence point rau ob qho tib si tooj liab thiab optical infrastructure.
Feem ntau yuam kev kom zam
Hla daim ntawv qhia chaw nres nkoj yog qhov luv tshaj plaws -thiab qhov kim tshaj plaws ntev -. Yog tsis muaj ntaub ntawv, txhua qhov kev ua haujlwm MAC yav tom ntej dhau los ua qhov kev twv twv ua si uas ua rau cov neeg ua haujlwm nkim sijhawm.
Kev sib xyaw T568A thiab T568B cov qauv hauv tib qhov kev teeb tsa tsim cov khub sib cais uas dhau qhov kev sim txuas ntxiv tab sis ua tsis tiav hauv kev tsheb tiag tiag -ib qho kev ua txhaum loj tshaj plaws los kuaj xyuas. Siv cov hlua khi uas ntev dhau faus tus neeg saib xyuas cable hauv cov kab ntau dhau. Thiab khiav ib txoj hlua uas tsis muaj kev tiv thaiv nyob rau hauv ib qho kev tiv thaiv channel rhuav tshem Faraday tawb thiab tuaj yeem ua rau muaj kev cuam tshuam ntau dua li qhov tsis muaj kev tiv thaiv tag nrho.
Ib qho yuam kev uas ua rau tib neeg xav tsis thoob: tsis siv nyiaj txaus txaus. Lub vaj huam sib luag 24-chaw nres nkoj thiab 24-chaw nres nkoj hloov ua ke tsuas yog nyob 2U, tab sis ntxiv cov thawj tswj kab rov tav, UPS txee, hluav taws xob, thiab qee chav ua pa, thiab koj tab tom saib 12U lossis ntau dua. Kev npaj rau kev loj hlob-ntxiv rau qhov thib ob khib tom qab yog qhov cuam tshuam ntau dua li kev yuav khoom siab dua.
Cov lus nug nquag
Q: Kuv Puas Yuav Tsum Tau Patch Vaj Huam Sib Luag Yog tias kuv tsuas muaj ob peb lub network poob?
A: Technically, tsis muaj -koj tuaj yeem txiav cov cables ncaj qha rau RJ45 plugs thiab txuas rau lawv mus rau qhov hloov. Txawm li cas los xij, txawm tias muaj 5-10 tee, ib thaj vaj huam sib luag ntxiv lub koom haum, ua kom yooj yim daws teeb meem, thiab tiv thaiv kev hloov chaw nres nkoj los ntawm kev hnav. Ib qho yooj yim 24-chaw nres nkoj keystone vaj huam sib luag raug nqi $ 15-30. Tsis muaj laj thawj los hla nws.
Q: Yuav tsum Patch Vaj Huam Sib Luag mus saum toj lossis hauv qab qhov hloov hauv lub khib?
A: Kev coj ua qauv yog txhawm rau txhim kho lub vaj huam sib luag saum toj ntawm qhov hloov nrog tus saib xyuas kab rov tav hauv nruab nrab. Qhov no ua haujlwm txuas mus tas li txuas mus tas li ze tshaj plaws rau cov kab hluav taws xob overhead. Yog tias koj cov cables nkag los hauv qab lub khib, tig qhov kev npaj- hloov mus rau sab saum toj, vaj huam sib luag hauv qab - rau kev ntxuav cov kab hluav taws xob.
Q: Qhov txawv ntawm Punch yog dab tsi -Down Patch Vaj Huam Sib Luag Thiab Pub Noj-Los ntawm Patch Panel?
A: Ib qho punch-down vaj huam sib luag yuav tsum txiav tawm ib tus neeg xa xov mus rau IDC cov neeg sib cuag siv lub punch- cov cuab yeej nqis. Kev pub-los ntawm (coupler) vaj huam sib luag muaj RJ45 jacks ntawm ob sab pem hauv ntej thiab nraub qaum, yog li koj ntsaws rau hauv ua ntej- txiav cables los ntawm txhua sab. Pub-los ntawm cov vaj huam sib luag tau nrawm dua rau nruab thiab yooj yim dua rau kev teeb tsa, tab sis punch-down panels muab qhov ruaj khov dua thiab feem ntau qis dua - nqi txiav rau ntev- kab rov tav khiav.
Q: Kuv puas tuaj yeem siv Fiber Thiab Copper Patch Panels hauv tib lub khib?
A: Yog, thiab nws muaj ntau heev nyob rau hauv niaj hnub network. Khaws cov tooj liab thiab fiber ntau hauv cov khib nyiab cais nrog rau kev tswj xyuas kab mob siab rau txhua hom. Fiber cables yuav tsum tau maj mam tuav vim qhov tsawg kawg nkaus khoov vojvoog yuav tsum. Kev nkag siab txog cov yam ntxwv ntawm ntau hom fiber ntau optic connector xyuas kom raug txiav thiab kev sib raug zoo thoob plaws koj cov vaj tse sib xyaw.
Q: Ntev npaum li cas kuv yuav tsum rov ua dua -Test Cable Connections tom qab pib installation?
A: Re- sim thaum twg qhov kev sib txuas raug txav los yog rov- txiav tawm, thiab ua qhov kev tshuaj xyuas tag nrho txhua xyoo. Rau lub hom phiaj- ib puag ncig tseem ceeb, ib nrab- kev sim txhua xyoo yog qhov tsim nyog cadence. Txhua lub sij hawm koj ntsib teeb meem kev sib txuas tsis tu ncua, kuaj tag nrho cov channel- phab ntsa jack los ntawm kab rov tav kab, vaj huam sib luag txiav, thiab thaj qaum hloov- yog txoj hauv kev ceev tshaj plaws los cais qhov txhaum.
Cov ntaub ntawv thiab cov qauv
- Cov kev qhia tshwj xeeb hais txog thoob plaws hauv phau ntawv qhia no yog kos los ntawm cov qauv kev lag luam hauv qab no:
- TIA-568.2-D- Sib npaug Twisted-Pair Telecommunications Cabling thiab Cheebtsam Standard (txhais qhov 90m mus tas li txuas / 100m channel txwv, untwist lengths, thiab qeb specifications)
- TIA-569-E- Kev Sib Txuas Lus Kev Sib Txuas Lus thiab Qhov Chaw (nrog rau kev sib cais ntawm cov kab hluav taws xob, kev tsim txoj hauv kev, thiab kev xav tau hauv chav sib tham)
- IEEE 802.3at (PoE +)- Txhais kev xa hluav taws xob mus txog 25.5W rau ib qhov chaw nres nkoj, nrog rau cov kab ke-qib cov peev nyiaj siv hluav taws xob tau hais hauv phau ntawv qhia no
- EIA-310-E- Txhais tus qauv 19-nti khib chav tsev (1U=44.45 hli / 1.75 nti)
