Mtetezi wa Ethernet Surge, PoE zoteteza zida zamagetsi Kuyesa (Gawo I) - Lingaliro loti tisokonezeke

1. Kuthamanga kwa data ndi bandwidth yama siginecha

Kutumiza kwa Ethernet kuyenera kusiyanitsa "bandwidth signal" ndi "data rate" malingaliro awiri, amatha kusiyanitsa ndi unit, imodzi ndi MHz, imodzi ndi Mbps. RJ45 cat5 / 5e maukonde Efaneti chingwe (choyambirira miyezo cat5 mzere achotsedwa, tsopano anatchula cat5 mzere amatanthauza wapamwamba cat5e mzere), RJ45 cat6 Network Efaneti chingwe akhoza kuthamanga deta gigabit, kokha cat5e ndi cat6 palokha chizindikiro bandiwifi, kuchita mtundu protocol kusiyana. Mwachitsanzo, kuchuluka kwa misewu, komanso kuthamanga kwa galimoto pamsewu, ndi malingaliro awiriwa, koma pali kulumikizana kwina, pomwe galimoto imafuna kuthamanga kwambiri, ndiyo njira yotakata kwambiri.

• mzere wa cat5e 100 MHZ bandwidth wambiri, zambiri zimatha kuthamanga 1000 Mbps.
• chiwonetsero chazithunzi cha cat6 mzere wa 250 MHZ, wapamwamba kwambiri ukhoza kuyendetsa deta ya 5 Gbps.

Pezani deta kudzera pakusintha kwakanthawi kwamtundu wa protocol.

Zipangizo zathu zotetezera tsiku ndi tsiku za MB network gigabit network ndizolemba malinga ndi kuchuluka kwa MB ndi gigabit.

2. Kutumiza kwa standard Ethernet

Muyeso wa Gigabit Ethernet umayang'ana mitundu itatu ya sing'anga yotumizira, njira-imodzi; Kutalika kwanthawi yayitali pa multimode fiber laser (yotchedwa 1000 base LX) ndi shortwave multimode fiber laser (yotchedwa 1000 base SX); 1000 base CX sing'anga, sing'anga imatha kukhala pachikopa chogwirizira 150 ohms pamagetsi amkuwa. IEEE802.3 z komiti yoyeserera 1000 base-t muyezo imalola Gigabit Ethernet mu cat5e ndi cat6 UTP zopindika-awiri kukulitsa kufalikira kwa mita ya 100, ndikupangitsa kuti pakhale kulumikizana kwamkati kwa nyumbayo ndi cat5e wa chingwe chopindika cha UTP, onetsetsani kuti wogwiritsa ntchito kale ndalama ku Ethernet, Ethernet yachangu.

1000 base-t ndi 100 base-t kusamutsa pogwiritsa ntchito mawotchi omwewo, koma ndimphamvu kwambiri yotumizira ma sign ndi encoding / decoding scheme, chiwembucho chitha kulumikizidwa kawiri kupitirira 100 base-t kufalitsa kwa data. (Kuchokera Buku la Baidu)
Mawonekedwe oyesa a gigabit atha kukhala pa 100 MHZ kapena 250 MHZ bandwidth yotuluka mu 1000 Mbps. Mitundu yonse yamitundu yazingwe idalembedwa patebulo pansipa liwiro lolingana la data.

Mapulogalamu angapo ogwiritsira ntchito ofanana ndi liwiro la zingwe, zingwe, kufalikira kwa ma sign (kuchokera ku FLUKE technical manual)

Mulingo uliwonse wogwiritsa ntchito ndi malamulo amtengo woyeserera, mulingo womwe wasankhidwa umasankhidwa kuti uzindikire maziko.

Woteteza wamba wa 100Mbps Ethernet (chipangizo choteteza chitetezo) amagwiritsa ntchito 2 yachitetezo cha mzere, ayenera kusankha cat5 100 base-TX, kuyesa 80MHz frequency band, test data liwiro ndi 100Mpbs.

Woteteza 1000Mbps Ethernet woteteza (chipangizo choteteza chitetezo), pogwiritsa ntchito magulu awiri otetezera mzere, choyamba tsimikizani jumper ndi cat4e kapena cat5, kenako sankhani mzere wolingana wa cat6e: cat5e 5 Base-T, kuyesa ma frequency 1000 MHZ band, liwiro la kuyesa kwa 250 Mbps; mzere wa cat1000: cat6 6 Base-TX, ATM-1000G, FC1.2G, kuyesa 1.2 MHZ frequency band, test data liwiro ndi 250 Mbps. Gigabit net akugwiritsa ntchito 1000 pars mzere chitetezo.

Kuphatikiza pa kugwiritsa ntchito miyezo, komanso kuyesa kwamiyeso yamayiko osiyanasiyana, monga IEEE802.3; Miyezo ya GB / T50312-2016 monga mphaka 6 / 5e CH mayesero angapo a Ethernet, mitundu yofananira mu protocol yokhazikika, mwachitsanzo, kuchepa, kubweza kubwerera ndi crosstalk.

3. Mayeso olumpha kusankha mzere

Ethernet SPD ili mndandanda wa CHANNEL, chifukwa chake imafunikira kulumpha mzere. Malinga ndi T568A kapena T568B jumpers amagwiritsa ntchito malamulo osiyanasiyana pakagwiritsidwe, chithunzi chotsatirachi. Sankhani chingwe cholondola cha RJ45 cha Ethernet SPD mogwirizana ndi zofunikira za pulogalamuyo.

100Mbps maukonde, gigabit maukonde chipangizo chitetezo ayenera kusiyanitsidwa ndi cat5e kapena mitundu cat6 chingwe, cat6 mizere zambiri ntchito chimango kudzipatula, umodzi timafupa waya awiri ndi wandiweyani, ndipo chitani molingana ndi kusankha kosiyanasiyana kwa chilengedwe: UTP osatseka; ScTP \ FTP chishango chakunja; STP chipika chonse (mzere kupita ku chishango chakunja) chitha kutanthauza chithunzichi.

Monga bungwe loyesera gulu lachitatu, liyenera kukhala ndi STP cat6 jumper, ngati mzere wopumira woyeserera. Tidzayankha zotsatira zonse zoyeserera zodzitchinjiriza za Ethernet zokha, m'malo modumpha mzere.

Mulimonse, magawo olumikizirana a 100M / gigabit Ethernet a chipangizo chotetezera mafunde mulibe 100/1000 MHZ band m'lifupi poyesedwa, kutaya kubwerera ndi crosstalk, ngakhale osasinthana osagwirizana pamayeso owonera makanema owonera makanema, awa ndi lingaliro lenileni la chisokonezo.

Mtetezi wa Ethernet Surge (Power over Ethernet PoE surge protection device) magawo Kuyesedwa (Gawo II) - Mphamvu yazida zoteteza mphezi pazolumikizana zothamanga kwambiri

(Apa musatchule nkhaniyi ndi kufalitsa kwamphamvu ndi zina mwazovuta zamagulu azida zoteteza)

Mtetezi wa Ethernet woteteza amakhudza magawo atatu opatsirana opatsirana mu ulalo wa Ethernet.

Ndikulowetsa kutayika IL; Crosstalk pakati pa mzere ndi mzere NEXT kapena FEXT, ndikubwezeretsanso RL. Popeza Ethernet SPD imasokoneza mzere wa Ethernet, kuti mugwiritse ntchito kulumikiza kwa ma waya. Chipangizocho sichimangolowa pazinthu zofananira, nthawi yomweyo, chifukwa cha board board yosindikizidwa imangopeza mzerewo ndi mzere wowongoka, m'lifupi mwake, mzere wamagawo opingasa ndi chingwe choyambirira cha cat6 ndi cat5e, impedance yayikulu kusintha.

(1) Kuika kolowera komwe kumapangidwa ndi kukana kwa ma elekitirodi pakati pa SPD, kukula kwa waya kumathandizanso. Popeza adalumikizana ndi wotetezera, kuti apange malo awiri olumikizirana a RJ45, malo olumikizirana ndi zomwe zingachitike pakuwononga. Uku ndikokuwonjezeka kwathunthu kwa kukaniza. Ngati kulowetsedwa ndikokulirapo, ndiye kuti chizindikirocho sichingathe kufalikira patali kwambiri, kulumikizana ndikosatheka kukwaniritsa bajeti yomwe mukufuna mtsogolo

Chithunzi 1 - Kugawa mwadzidzidzi zida zoteteza

(2) Crosstalk pakati pa mzere ndi mzere, poyambira kugwiritsa ntchito zopindika, mzere wopatukana pakati pamafupa, kukulitsa m'mimba mwake waya, kukulitsa kuchuluka kwa kinky, ngakhale mzere wotetezera kuti ufikire kufalikira kwothamanga kwambiri. Komabe, m'bungwe loyendetsa zotetezera, ndizosatheka kupindika, osathandizidwa adalumikizana ndi mizere yambiri yofananira ndikuchepetsa kinky. Pamzere wothamanga kwambiri, chofunikira chonse chimathetsedwa osapitilira 13 mm m'litali, kuti muthamange ma netiweki othamanga kwambiri, koma woteteza woyenda sangangokhala ndi waya wa 13 mm wa PCB. Crosstalk ndi imodzi mwazomwe zimakhudzidwa kwambiri ndi ma network othamanga kwambiri, nthawi yayitali panthawi yolumikizana ndi kristalo, yoperewera mamilimita ochepa, kulumikizana kofananira kudzaganiziridwa mozama pamtanda, osatinso zoteteza.

Chithunzi 2 - bolodi losindikizidwa la SPD

Adasindikizidwa bolodi wadera, ngakhale sangakwaniritse zotsatira za zopindika, komabe mapangidwe oyenera amatha kukwaniritsa zofunikira pakugwiritsa ntchito

(3) kutaya kubwerera, ndi zotsatira za kuwonongeka kwa kupitirira kwa impedance. Ndizosiyana ndi impedance iyi komanso kuthamangitsidwa kwa "Gawo I" lomwe tidatchulapo, apa makamaka kusamutsa mawonekedwe amakanema, ambiri ndi chingwe chopindika cha 100-120,, chingwe cholumikizira chiŵerengero cha inductance ndi capacitance. Mtetezi wambiri umafanana ndi waya woyendetsa dera womwe tafotokozazi, kupitilizabe kwa dera lonse kupitirira kuwonongeka kwakukulu (monga akuwonetsera Chithunzi 2 - board board of SPD). Kuyamba kwa mizere yolumikizira, kumafunanso malo ang'onoang'ono osungunulira momwe angathere, zoteteza ku mawotchi, bolodi loyendetsa malo olumikizirana ndipo sanazindikire kukula kwa vutolo, pini yotulutsa chubu yopitilira 2 mm. Malumikizidwe a solder amawononga molunjika mzere wa capacitance. Zomwe zimawonetsedwanso m'mbuyo, zimamvekanso bwino kwambiri pakusintha kwamphamvu.

Chikhalidwe cha impedance formula

Kutengera mawonekedwe amtundu wa impedance, titha kuwona bola mawonekedwe a njira yotumizira asinthe, mawonekedwe amachitidwe asintha

Pambuyo pokambirana zomwe zili pamwambapa, akuyeneranso kutengera gawo lina, lotchedwa SNR (Signal to Noise Ratio) ACR. Chiwerengero cha siginecha mpaka phokoso chitha kugwiritsidwa ntchito pokonza magawo atatu am'mbuyomu, kuti mudziwe njira zowunikira. Mphamvu yama siginecha imatsimikizika ndikutayika. Phokoso lamphamvu limatsimikizika ndi crosstalk ndi echo. Phokoso la Crosstalk ndi echo ndilolimba, koma kuyika kwakuchepa kwa siginecha yaying'ono ndikokwera, kufalitsa kwathunthu kwa kusokonekera kwa siginecha, osati ngati chiwonetsero cha phokoso ndikuchepa, kumatha kuweruzidwa ngati koyenera. Mbali inayi, kutayika kwakulowako ndikochepa, koma phokoso la crosstalk, chiwonetsero chazizindikiro ndi phokoso ndichachikulu, kufalitsa mzere sikungakhale koyenera.

Chithunzi 3 - chiwonetsero cha phokoso-ku-phokoso

Mtetezi wa Surge adzabweretsanso vuto lina, ndiko kusalinganika kwa mzere. Gawo Lopanda Malire lazitali komanso lalitali komanso lalifupi, zonsezi ndizopangidwa ndi bolodi loyendetsa waya. Chifukwa, wolandirayo ndi masiyanidwe-modera amplifier, ndiye kuti, pakati pa mizere iwiri yamayendedwe amtundu wosiyanitsidwa amakwezedwa ndi chizindikiritso chawo chodziwika pansi, mosasamala kanthu za kuchuluka kwa zosokoneza, cholowacho chidzakulitsa. Chizindikiro chakunja chakusokonekera ndi gawo la mizere iwiriyo pa intaneti nthawi yomweyo, mizere iwiri itatha chisokonezo chomwecho, pachizindikiro chodziwika bwino chofananira ndi chimodzimodzi, pamalowedwe olandilira adzasinthidwa. Mawaya awiri, komabe, ngati kutalika kwake kuli kosiyana, mulingo wosiyana, makina olumikizira ndiosiyana, mtunda womwe ndi wachibale ndi chizindikiro chakunja ndiwosiyana, chifukwa chake mizere iwiriyi, yopangidwa ndi chizolowezi chododometsa wamba ndiyo kusiyana pakati pazitali ndi otsika, kufika masiyanidwe mode chizindikiro wolandila sadzakhala kwathunthu kwathunthu, kupanga kulowelera mbendera. Komiti yodziwika ya akatswiri ikuwoneka kuti ikulinganiza magawo, makamaka okondweretsedwa, chifukwa ikuyimira kuthekera kopambana kosokoneza.

Chithunzi 4 - Kusagwirizana kwa mzere ndi mzere kumayambitsa kusokonekera sikungafanane ndi zomwe zakonzedwa

Nthawi zambiri, poteteza chitetezo, zakhala zikukulitsa mfundo yayikulu yakulephera. Pamaso pa injiniya wa netiweki, chida chodzitchinjiriza sichithandizira kulumikizana kwothamanga kwambiri. Mukavomereza ma netiweki onse, bola liwiro litha kuthamanga, onani koyamba ngati muyika SPD kapena ayi. Wakhala chizolowezi chowunika. Pamaso pa mainjiniya a SPD, ma Ethernet SPD awo kudzera mumapangidwe osiyanasiyana akatswiri komanso magawo abwino olumikizirana. Zabwino kwambiri koma izi ndi zokhazokha zodzitetezera zokha, zogwirizana ndi njira yolandirira mita zana, chida chodzitetezera chimatenga ma network ambiri.

Chithunzi 5 - Oyenerera SPD amatenganso zothandizira ma netiweki

Chifukwa chake, magawo onse oyesa zida zodzitetezera, nthawi yomweyo amaphatikiza kufunikira kwakukulu pazotsatira zoyeserera ndi oyenerera, chidwi cholumikizira njira yonse yoyenerera kuweruza ndalama zingati? Kukula kwakanthawi pambuyo pokhazikitsa kuvomereza konse kwa polojekiti, kumakhala kokwanira kukhala koyenerera.

Mtetezi wa Ethernet Surge (PoE chipangizo choteteza chitetezo) magawo Kuyesa (Gawo III) - GKuyesedwa kwa igabit Ethernet

1. Kukonzekera mayeso

(1) Kukonzekera mayeso asanayesedwe, kuti ayese kulumpha mzere, opanga zida zonse zotetezera azikhala ndi chingwe cholumpha, chomwe chimagwiritsidwa ntchito kulumikiza zomangamanga zoteteza ndipo mzerewo usokonezedwa. Magazini yotsatira idzakhala yapadera. Ife ntchito zida mayeso mayeso zida muyezo mayeso.

(2) Timasankha thukuta loyesa mita kapena mita ziwiri kapena kupitilira apo, chifukwa chake timalumikiza chida chotetezera, pambuyo pokhazikitsa njira zoyeserera kuti zikhale zolondola, chifukwa zingwe zolumikiza ndizofupikitsa zimatha kuyambitsa gawo lina zoyeserera, kutaya kubwerera, mwachitsanzo, kudzakhala kokulirapo chifukwa cha mizereyo ndi yayifupi kwambiri.

(3) Sankhani muyeso woyeserera, sankhani magwiridwe antchito 1000 base-t komanso muyezo wa dziko GB50312-2016. Kuyika muyezo 1000 base-t ndikuwona kugwiritsa ntchito kwapadera kwa 1000 Mbps, paka 5e GB50312-2016 ngati mphaka mitundu 5e ya miyezo yolumikizira Ethernet, panthawi yolandila, mulingo wofanana wa 1000 m - 2.5 Gbps, chipangizo chotetezera ngati mungalandire cholumikizacho, malinga ndi muyezowu. Pomaliza GB50312-2016 cat 6 yothandizira yolumikizira mwachangu kwambiri: 1000 m - 5 Gbps, chida choyambira chotetezera. Chifukwa chake opanga zotetezera akuyenera kukhala omveka, akwaniritse malinga ndi muyezo wa gigabit net 1000 base-t, kapena kukhutitsa mzere wonse wopatsira Gigabit.

Zomwe zimayesedwa pazida zodzitetezera m'miyeso yosiyanasiyana zimasinthanso chimodzimodzi, kusintha kwamitundu iliyonse m'makalata osiyanasiyana ndi malire ofikira kwakanthawi kotsimikiza.

2. Ma gigabit network akuyesa chitetezo pazida zoyeserera.

Kuyika mulingo woyeserera wa 1000 base-t ndi GB50312-2016 cat 5e CH kusiyana kwamayeso.

(1) Kutaya kwowonjezera

Kutayika kawiri koyenera kwa IL kuyerekezera

Kuchokera pomwe pakuwunikiridwa, mizere inayi ya kutayika konseko itha kukwaniritsa zofunikira muyezo, wocheperako malire woweruza malire kufunika kwa mzere wofiira, kuti amvetsere kulipira kwakulowetsa kutayika kwa 21.5 dB, mtengo uwu mu kuyikika kwaukadaulo mtsogolo, kulumikiza kutalika ndikofunikira kwambiri. Kuika kulowetsedwa ndizofunikira mogwirizana, ngakhale malire osiyana.

Kuphatikiza apo, opanga zida zodzitetezera nthawi zambiri amatchula kuti Ethernet yoteteza kuteteza kuyika motere: 0.5 dB ndi 0.5 dB / 100m, dzina lodziwikiratu, mayeso sangakhale ndi zotero, nkhani yotsatira yomwe timangoyesa kulumpha mzere imatha kuwonedwa, Kutaya kolowera mita 1 mita kutalika ndi 0.5 dB / 100 MHz, ngakhale chida choteteza. onetsani kuti opanga amatha kuyika 0.5 dB / 10 MHz kapena 2.5 dB / 100 MHz.

(2) Crosstalk kumapeto kwenikweni NEXT

Awiri ofananira kumapeto kumapeto crosstalk YOTSATIRA kufananizira

Chipangizo chotetezera chitetezo cha gigabit Ethernet, zonse zoyandikira kumapeto kwake kuti zidziwike phindu pamwamba pamzere wofiira. Wopanda Ethernet SPD, mizere yambiri kuposa, chiweruzo cha mzere wofiira. Tiyenera kusamala ndi zotsatira za mayeso, magawo azolowera njira yonse. Na. 2, 12,4MHz point frequency and 2.8dB (the value less than 3dB), apa pakufunika chiwonetsero chazizindikiro ndi phokoso kuti mudziwe zotsatira za mayeso a ACR.

(3) Kubweza kutaya RL

Bweretsani zotayika RL fanizirani

Titha kuwona kuti No.2, komanso pafupipafupi 100MHz ndi 0.6dB (mtengo wochepera 3 dB), apa akufunikiranso chiwonetsero chazizindikiro mpaka phokoso kuti mudziwe zotsatira za mayeso a ACR.

Woyenerera kuweruza mzerewo ndiwosiyana, kuweruza kosiyanasiyana kwa zitsanzo zomwezo, chifukwa GB50312-2016 si mavuto atatuwo omwe adzawunikire mwachindunji magawo oyenera opatsirana, yesani mtundu uwu wazogulitsa ndipo ndife osiyana ndi kuyesa mphezi kuyesa mankhwala, ndikugwiritsa ntchito Mfundo yotumizira 3 db, kuyesa SNR, bola ngati chizindikiritso cha phokoso chikwaniritsa zofunikira, 3 db idzagwiranso ntchito, inde njira yonse yachiweruzo chonse ndikuchotsa zomwe ogwiritsa ntchito azindikira.

(4) Chizindikiro cha phokoso ACR-N / F

Zotsatira zowoneka za phokoso ndi phokoso za SNR ndizabwino kwambiri, zitha kuzindikirika ngati phokoso LOTSATIRA ndi RL phokoso limakhudza kwambiri chizindikirocho, kotero kufalikira mkati mwa vuto la 3 db kumatha kudziwa magawo atatu ofunikira.

(5) Kulumikizana kwa chithunzi cha Chingwe cha Network

Chithunzi chowongolera cha mayeso chimagwiritsa ntchito chingwe chapa netiweki

Kuphatikiza apo tikuwona chithunzi cholumikizira. Ma Correlates azida zotetezera mphezi, zomwe zimagwiritsidwa ntchito makamaka pamizere iwiri, 1/2, 3 / 6. Kugwiritsa ntchito mphaka awiri akale pamzere. Mitundu iwiri ya mizere yothamanga kwambiri, yolumikizana komanso yothamanga kwambiri tsopano, tiyesa kugwiritsa ntchito magulu anayi otetezera mzere ndipo anayi azisunga makina othamangitsa kwambiri.

Kutchinga wosanjikiza. Chipangizo chotetezera ndi chitsulo chotetezera, chiyenera kusankha mawonekedwe otetezera, pogwiritsira ntchito chipolopolo chakunja chazitsulo, kutetezera zenizeni, kutsegula mizere yotumizira idzakhala ndi mphamvu zotsutsana ndi zosokoneza. Mukamayesa, chipangizo choteteza chitetezo chidzawombedwa nthawi yomweyo, kuyesa kachilombo kachiwiri.

Mtetezi wa Ethernet Surge (PoE chipangizo choteteza chitetezo) magawo Kuyesa (Gawo IV) - Kuwunika kwapadera kwa mzere wolumpha wa Ethernet

1. Ubwino wa mzere wolumpha umanyalanyazidwa ndi Wopanga SPD

Tiyeni tikambirane za chingwe chaching'ono chomwe chimalumikiza mtetezi wa Ethernet. M'mbuyomu tidatchula magawo ambiri opatsirana a Ethernet SPD amalingaliro amapangidwe ndi mayeso. Fotokozani kapangidwe koyipa kachipangizo choteteza chitetezo chomwe chidapangitsa kuti maukonde azitha kutulutsa. Kuphatikiza apo, pali magawo ena osavuta kubweretsa malire, ndi chingwe chomwe SPD wopanga adapereka, chiwonetseni pansipa.

2. Mtengo wa mitundu yosiyanasiyana yolumpha

Muzida izi poyesedwa (DUT), nthawi zambiri pamakhala mzere wolumpha woperekedwa ndi wopanga wa SPD, chizindikirocho chimalemba cat6 kapena cat7 pamzerewu. Timagula mzere wina wamtundu kuti tithe kuyesa.

Tebulo la mzere wolumpha kuchokera kwa opanga osiyanasiyana

Mitundu yolumpha kuchokera kwa opanga osiyanasiyana

Timayerekezera magawo atatu ofunikira, kulumpha mzere kutengera mtundu wa chingwe cat6 dziko lonse GB50312-2016 cat6 CH kuti ayese, zotsatira zoyesa ndizomwe zili pansipa, mzere wokhayo (chingwe) womwe wopanga SPD adapereka sioyenera.

Tiyeni tiwone mawonekedwe amtundu wamagawo atatu ofunikira

Kuika kutayika IL kuyerekezera

Pafupi-kumapeto crosstalk YOTSATIRA kufananizira

Bweretsani zotayika RL fanizirani

Waya iyi ya jumper yadzaza magawo obwerera obwezeretsanso zida za 100 m, osalandira cholowa chilichonse. Zachidziwikire kuti pali zina monga SNR, chiwonetsero chazizindikiro ndi phokoso, mphamvu yathunthu kumapeto kwa crosstalk mphamvu yonse, ndi zina zambiri. Pakati pazigawozi ndi magawo atatu ofunikira, ali ndi ubale wofananira, apa sitibwereza kusanthula.

Poyesa momwe mukuwonera, imodzi mwamitengo yotsika mtengo kwambiri ya UGREEN brand jumper, pansi pa mayeso oyeserera a cat6, ikuwonetsa zotsatira zabwino kuposa mtundu womwe watumizidwa kunja. Poyamba zida zosavuta, bwanji opanga ma SPD ali ovuta kwambiri kupanga makonzedwe oyenerera? kapena opanga ma SPD sanayang'ane ndikuyesa ma waya olumpha omwe amagula kumsika. Izi ndizofunikira kuziganizira.

3. Zomwe zimakhudzidwa ndi waya wosayenerera poyesa SPD

Mukamagwiritsa ntchito waya wosayenerera wa jumper, womwe umayikidwa SPD mumayendedwe, umathandizanso kwambiri, ngakhale Ethernet SPD kudzera pakupanga mosamala, kufikira zofunikira pa gigabit network liwiro, ipangitsa zotsatira za parameter kusintha chifukwa chogwiritsa ntchito waya wolumpha.

Pansipa pamayeso a 1000 base-t kuti mugwiritse ntchito gigabit Ethernet SPD yofunikira, mukamagwiritsa ntchito waya wolumpha woyenera komanso waya wosayenerera kuti muyesere, izi zithandizira kuvomerezedwa komaliza koyenera komanso kosakwanira. Kwa magawo atatu omwewo opatsirana, mwachitsanzo, zotsatirazi zikulemba kuyerekezera kwa zithunzi.

Kuika kutayika IL

Pafupi-mapeto crosstalk Yotsatira

Bweretsani zotayika RL

Titha kuwona kuchokera ku fanizoli, zikuwonekeratu kuti mayeso awiri achokera oyenerera kukhala osakwanira. Ziyenera kukhala zomveka: Wopanga waya wa SPD ngati gawo la SPD, akuyenera kujowina mayeso a SPD limodzi, mosasamala kanthu za SPD kapena kulumpha waya bola ngati njira zolumikizira sizoyenera, pamapeto pake zitsimikizira kuti SPD ndiyosayenera. Chifukwa chake opanga SPD akuyenera kuyendera ndikuyesa waya wolumpha yemwe adagula kumsika.

Dziwani zambiri za Gigabit Ethernet Surge Protector, dinani tsamba lamasamba

https://www.lsp-international.com/power-over-ethernet-poe-surge-protector/

Zambiri za PoE Surge Protection Device DT-CAT 6A / EA, dinani tsamba lamasamba

https://www.lsp-international.com/product/dt-cat-6a-ea/

LSP itha kupereka Mphamvu yoyenera pa Ethernet PoE Surge Protection Device DT-CAT 6A / EA, ndipo idatsimikiziridwa ndi TUV Rheinland.

Satifiketi ya TUV, kuyesa malinga ndi muyezo EN 61643-21: 2001 + A1 + A2

Tsimikizani satifiketi: https://www.certipedia.com/certificates/50458142?locale=en

Sitifiketi ya CB, mayeso malinga ndi IEC 61643-21: 2000 + AMD1: 2008 + AMD2: 2012

Tsimikizani satifiketi: https://www.certipedia.com/certificates/05002823?locale=en