Ethernet Surge Mudziviriri, PoE yekudzivirira inodzivirira macustomer Kuyedza (Chikamu I) - Pfungwa yekutanga yekuvhiringidzika

1. Dhata kumhanya uye chiratidzo bandwidth

Kutapurirana kweEthernet kunofanira kutanga kusiyanisa "chiratidzo bandwidth" uye "dhata mwero" mazano maviri, anogona kusiyanisa kubva kuchikamu, imwe ndeye MHz, imwe ndeyeMbps. RJ45 cat5 / 5e network Ethernet tambo (iyo yekutanga kat5 mutsara zviyero zvakabviswa, zvino yataurwa cat5 mutsetse inoreva kune super cat5e mutsetse), RJ45 cat6 Network Ethernet tambo inogona kumhanya gigabit data, chete cat5e uye cat6 pachayo chiratidzo bandwidth, ita protocol mhando mutsauko. Semuenzaniso, hupamhi hwenzira, uye nekumhanyisa mota iyo inogona kumhanya munzira, ndiwo mazano maviri, asi pane kumwe kuwirirana, kana mota ichiwedzera uye ichida kumhanya nekukurumidza, ndiyo nzira yakafara.

• cat5e mutsara 100 MHZ yakanyanya chiratidzo bandwidth, iyo yepamusoro data inogona kumhanya 1000 Mbps.
• cat6 mutsara chiratidzo bandwidth ye250 MHZ, yepamusoro inogona kumhanyisa 5 Gbps dhata.

Wana data kuburikidza neyakasiyana protocol mhando yekumhanyisa shanduko.

Yedu yemazuva ese yakati MB network gigabit network surge dziviriro mudziyo ndeye index maererano nezinga reMB uye gigabit.

2. Iyo yakajairwa Ethernet kutapurirana

Gigabit Ethernet yakajairwa inotarisa pamhando nhatu dzekutapudza svikiro, imwechete-modhi fiber; Iyo yakareba wave pa multimode fiber laser (inonzi 1000 base LX) uye shortwave multimode fiber laser (inonzi 1000 base SX); 1000 base CX svikiro, iyo yepakati inogona kuve muyero yekuyera 150 ohms pane yemhangura waya kutapurirana. IEEE802.3 z komiti yakateedzera 1000 base-t standard inobvumira Gigabit Ethernet mu cat5e uye cat6 UTP yakakomberedzwa-vaviri kuwedzera daro rekutapudza remamita zana, ichinyanya kuvaka chivakwa chemukati chekuvaka ne cat100e ye UTP yakakomberedzwa-vaviri tambo, ita chokwadi mushandisi akamboisa mari muEthernet, inokurumidza Ethernet.

1000 base-t uye zana base-t kuchinjisa uchishandisa iyo yakafanana wachi frequency, asi iine simba rine simba rekufambisa uye encoding / decoding scheme, chirongwa ichi chinogona kunge chiri pane chinongedzo zvakapetwa kanopfuura zana base-t kufambisa dhata. (Kubva Baidu encyclopedia)
Anooneka bvunzo gigabit network anogona kunge ari pa100 MHZ kana 250 MHZ chiratidzo bandwidth yakabuda kunze kwe1000 Mbps. Dzese mhando dzetambo mhando dzakanyorwa mune tafura pazasi inoenderana data kumhanya.

Mhando dzakasiyana dzekushandisa zvirevo zvinoenderana nekumhanyisa kwedatha, tambo, upamhi hwechiratidzo (kubva kuFLUKE technical manual)

Yese bvunzo yekushandisa ndiyo mitemo yemuganhu kukosha kwemuedzo, mwero wakasarudzwa unosarudzwa kuona hwaro.

Kazhinji 100Mbps Ethernet surge muchengeti (surge protection device) shandisa 2 yekudzivirira mutsara, inofanira kusarudza cat5 100 base-TX, kuyedza 80MHz frequency band, test data kumhanya i100Mpbs.

Yakajairika 1000Mbps Ethernet yekudzivirira inodzivirira (yekudzivirira inodzivirira mudziyo), uchishandisa 4 mapaundi ekudzivirira mutsara, chekutanga simbisa jumper ndeye cat5e kana cat6, wobva wasarudza inoenderana cat5e mutsetse: cat5e 1000 Base-T, kuyedza 250 MHZ frequency band, test data kumhanya kuri 1000 Mbps; cat6 mutsetse: cat6 1000 Base-TX, ATM-1.2G, FC1.2G, kuyedza 250 MHZ frequency band, bvunzo dhata kumhanya iri 1000 Mbps. Gigabit mambure vari kushandisa 4 ndima yekudzivirira mutsara.

Pamusoro pekushandiswa kweyakajairwa, asi zvakare bvunzo nemureza wenyika dzakasiyana kana matunhu, senge IEEE802.3; GB / T50312-2016 zviyero zvakadai sekatsi 6 / 5e CH akati wandei bvunzo bvunzo Ethernet, inowirirana mhando mune yakajairwa protocol, semuenzaniso, kuderedzwa, kudzoka kurasikirwa uye crosstalk.

3. Kwayedza svetuka mutsetse kusarudzwa

Ethernet SPD iri munhevedzano kune CHANNEL, saka inoda kusvetuka mutsetse. Zvinoenderana neT568A kana T568B vanosvetuka vanoshandisa mitemo yakasiyana yekushandisa, inotevera nhamba. Sarudza chaiyo RJ45 tambo yeEthernet SPD zvinoenderana nezvinodiwa kuchinangwa chekushandisa.

100Mbps network, gigabit network surge dziviriro mudziyo unofanirwa kusiyaniswa nekati5e kana cat6 tambo tambo, mitsetse yekat6 kazhinji inoshandisa yekuzvimiririra furemu, imwechete tambo tambo dhayamita yakanyanya kukora, uye zviite zvinoenderana neyakasiyana nharaunda sarudzo: UTP isina ichivharira; ScTP \ FTP yekunze nhovo; STP yakazara block (tambo kune yekunze nhovo) inogona kureva kune inotevera dhayagiramu.

Sesangano rechitatu rekuyedza masangano, inofanirwa neSTP cat6 jumper, seyedzo yekuchengetedza kusvetuka mutsara. Inopindura mhedzisiro yese yekuyedzwa yeEthernet yekumusoro yekudzivirira chishandiso muyenzaniso wega, pane kusvetuka mutsara

Sezvinei, 100M / gigabit Ethernet yekutaurirana parameter yeakawedzera dziviriro chishandiso haisi mu100 / 1000 MHZ bhendi upamhi pasi pekuyedzwa kwekuyedzwa, kudzoka kurasikirwa uye crosstalk, kunyangwe kwete neakaenzana asiri-equilibrium vashanduri pane vector vhidhiyo network network analyzer bvunzo, iyi ndiyo Pfungwa yekutanga yekuvhiringidzika.

Ethernet Surge Mudziviriri (Simba pamusoro peEthernet PoE yekudzivirira inodzivirira chishandiso) parameter Kuedzwa (Chikamu II) - Iyo mhedzisiro yemheni yekudzivirira mudziyo pane yakakwira-inomhanya link parameter

(Pano usataura nezvenyaya iyi neyakagovaniswa capacitance uye zvimwe zvinowanzoitika zvezvinetso zvekuwedzera kwekuchengetedza zvigadzirwa zvemidziyo)

Ethernet yekudzivirira inodzivirira inokanganisa matatu epakati ekuparadzira parameter muEthernet chinongedzo.

Iko kurasikirwa kwekuisirwa IL; Crosstalk pakati pemutsara uye mutsara NEXT kana FEXT, uye kudzosa kurasikirwa RL. Sezvo Ethernet SPD inokanganisa kupinda muEthernet mutsetse, kushandisa jumper waya kubatana. Chigadzirwa hachina kungobatanidzwa nezvikamu zvinoenderana, panguva imwe chete, nekuda kwebhodhi redunhu rakadhindwa rinogona chete kuwana mutsetse uri mutsetse, mutsetse upamhi, mutsetse wepakati-chikamu chikamu uye yekutanga cat6 uye cat5e tambo, yakasimba impedance shanduko.

(1) Kuisirwa kurasikirwa kunoitwa nekupokana kweiyo electrode pakati peSPD, iyo dhayamita dhayamita zvakare ine imwe pesvedzero. Kubva zvawakabatana nemuridzi wedziviriro, kugadzira maviri matsva RJ45 yekubatanidza poindi, mapoinzi ekubatana nekurwisa uye mhedzisiro yekuisa kurasikirwa. Uku ndiko kukwikwidzana kuzere kwekuwedzera. Kana iyo yekuisa kurasikirwa yakanyanya kukura, saka chiratidzo hachizokwanisi kupararira kure zvakanyanya, wiring haigoneke kuzadzikisa inodiwa ramangwana chirongwa bhajeti

Mufananidzo 1 - impedance kugoverwa kwechirwere chekudzivirira

(2) Crosstalk pakati pemutsara uye mutsetse, pakutanga ichishandisa yakamonyoroka mapara, mutsetse wekuzviparadzanisa pakati pemafupa, kuwedzera waya dhayamita, kuwedzera mwero wekinky, kunyangwe mutsetse wekudzivirira kuti uwane kufambiswa kwepamusoro. Nekudaro, mune yekumusoro inodzivirira wedunhu bhodhi, hazvigoneke kumonyanisa-vaviri, vasina rubatsiro vakabatana mizhinji yakafanana mitsara uye kudzikisira mwero wekinky. Mumutsetse wekumhanyisa wekumhanyisa, chinodikanwa chinogadziriswa chisinga pfuure gumi nemana mm pakureba, kuti umhanye yakakwira network, asi dziviriro yekumhanyisa haigone chete 13 mm pcb wiring. Kune crosstalk ndeimwe yevanonyanya kunetseka mumatanho ekumhanya-mhanya, kazhinji panguva yekristaro musoro mutsara, kupfupika kwemamirimita mashoma, wiring yakafanana ichatariswa zvakadzama pakati peiyo crosstalk, ndoda muvengi wedziviriro.

Mufananidzo 2 - rakadhindwa redunhu bhodhi reSPD

Rakadhindwa redunhu bhodhi, kunyangwe risingakwanise kuzadzikisa mhedzisiro yevakamonyanisa vaviri, asi zvakadaro zvine musoro dhizaini inogona kugutsa chinodikanwa chekushandisa

(3) kurasikirwa kwekudzoka, ndiwo mhedzisiro yekukuvara kune impedance kuenderera. Izvo zvakasiyana neiyi impedance uye iyo impedance ye "Chikamu I" chatakataura, pano zvakanyanyisa kuendesa hunhu impedance, yakajairwa ndeye 100-120 - yakamonyaniswa-peya tambo, iyo tambo muviri weyakaenzana weiyo inductance uye capacitance. Surge dziviriro yakafanana neiyo redunhu bhodhi wiring yakatsanangurwa pamusoro, iyo yese wedunhu impedance kuenderera kwekukuvara kwakakomba (sezvakaratidzwa muMufananidzo 2 - yakadhindwa redunhu bhodhi yeSPD). Kuunzwa kwemitsara muiyi chinongedzo, kunodawo madiki majoini sodered sezvinobvira, dziviriro yekuwedzera, bhodhi redunhu rezvisungo zveasolder uye havana kucherechedza saizi yedambudziko, pombi yekubuditsa pini inopfuura 2 mm. Iwo majoini esolder anokuvadza zvakananga iyo mutsara capacitance. Inotaridzwa kumashure muchiuno, iko kukura kweiyo echo kweakanyanya kupokana kushanduka.

Hunhu impedance fomula

Zvinoenderana nehunhu impedance fomula, tinogona kuona sekureba sekunge chimiro cheiyo nzira yekuchinjisa shanduko, hunhu impedance ichachinja

Mushure mekukurukura pamusoro apa matatu eparamende, zvakare inofanirwa kutarisisa kune imwe paramende, inonzi SNR (Signal to Noise Ratio) ACR. Signal-to-noise ratio inogona kushandiswa sekugadzirisa kune matatu apfuura ma parameter, kuona nzira dzekuongorora kwakazara. Simba rechiratidzo rinotariswa nekuisa kurasikirwa. Ruzha kusimba kunoonekwa necrosstalk uye echo. Crosstalk ruzha uye maungira akasimba, asi iko kuisirwa kurasikirwa kwechidiki chiratidzo chakasimba chiri chakakwirira, iyo yakazara chiratidzo kufambisa kwekukanganisa chiratidzo, kwete sechiratidzo kune ruzha reshiyo idiki, inogona kutongwa seyakakodzera. Kune rimwe divi, iyo yekuisa kurasikirwa iri diki, asi iyo echo yecrosstalk, chiratidzo-kune-ruzha chiyero hombe, mutsetse kutapurirana haukwanise.

Mufananidzo 3 - chiratidzo-kune-ruzha chiyero

Surge mudziviriri achaunzawo rimwe dambudziko, ndiko kusaenzana kwemutsara. Iyo Cross-chikamu chikamu chemutsara uye iyo yakareba uye ipfupi yemutsara, izvi zvese zvakagadzirwa neiyo wiring wedunhu bhodhi. Nekuti iyo inogamuchira inosiyanisa-modhi gudzazwi, ndokuti, pakati pemitsara miviri yekusiyanisa modhi modhi inowedzeredzwa uye yavo yakajairika modhi chiratidzo pasi, zvisinei nekuwanda kwekupindira, iyo offset ichave inosimudzira. External kupindira chiratidzo chebasa reiri mitsara online panguva imwechete, iyo mitsara miviri mushure meimwe nyonganiso, pane yakajairwa modhi yekukanganisa chiratidzo yakafanana, pane iyo kusiyanisa modhi inogamuchira ichagadziriswa. Tambo mbiri, zvisinei, kana hurefu hwakatosiyana, dhigirii rakasiyana, iyo wiring sisitimu yakasiyana, iyo daro inoenderana neyekunze chiratidzo chakasiyana, saka iyo tambo mbiri, inogadzirwa neyakajairwa modhi yekukanganisa chiratidzo ndiyo musiyano pakati pakakwirira uye yakaderera, svika iyo yekusiyanisa modhi chiratidzo chinogamuchira haizogadziriswe zvachose, gadzira iyo yekukanganisa chiratidzo. Standard komiti yenyanzvi inoita kunge inoenzanisa parameter, kunyanya inofarira, nekuti inomiririra yakanyanya kupokana-kugona.

Mufananidzo 4 - mutsara kumutsara kusaenzana unokanganisa kupindirana hakugone kuenzana

Kazhinji, kuitira kuchengetedzwa kwekuwedzera, zvakawedzera kuwedzera iyo yepamusoro poindi yekutadza. Mumaziso einjiniya enetiweki, chishandiso chekudzivirira hachi tsigire inomhanya-mhanya chinongedzo. Kana kugamuchirwa kwenetiweki yese, sekureba sekumhanya kuchimhanya, tarisa chekutanga kuti isa SPD here kana kwete. Yakave tsika yekuongorora. Mumaziso evanjiniya veSPD, yavo Ethernet SPD kuburikidza nemhando dzakasiyana dzehunyanzvi dhizaini uye yakanakisa kutaurirana parameter. Yakanaka asi izvi ndezve chete zvekuchengetedza dziviriro mudziyo pachayo, zvine chekuita nezana remamirimita chiteshi kugamuchirwa, yekudzivirira dziviriro mudziyo inotora yakawanda yakawanda network zviwanikwa.

Mufananidzo 5 - Anokodzera SPD anotorawo network zviwanikwa

Nekudaro, ese mabvunzo epamhepo eechiremba chekudzivirira, panguva imwechete yekukoshesa zvakanyanya kumhedzisiro yekuyedza inokodzera, kutarisisa kubatanidza mune yese chiteshi inokodzera kutonga mangani mvumo? Iyo yakakura iyo margin mushure mekumisikidzwa kweiyo yose chirongwa kugamuchirwa, inowanzo kuve inokwanisa kuve vanokwanisa.

Ethernet Surge Mudziviriri (PoE yekudzivirira yekudzivirira chishandiso) parameter Kuedza (Chikamu III) - Gigabit Ethernet surge muchengeti kuyedzwa

1. Kugadzirira kwekuyedza

(1) Kugadzirira pamberi peyedzo, kuyedza kusvetuka mutsetse, vagadziri vese vekuchengetedza michina vanogadzirirwa neyekusvetuka mutsetse, unoshandiswa kubatanidza yekumusoro yekuchengetedza chishandiso kuvaka uye mutsetse unokanganiswa. Nyaya inotevera ichave yakakosha. Isu tinoshandisa bvunzo michina bvunzo michina yakajairwa bvunzo mutsara.

(2) Isu tinosarudza bvunzo jumper waya kune mita kana maviri metres kana zvakajairika, saka tinobatanidza iyo yekudzivirira yekudzivirira chishandiso, mushure mekuumbwa kwechiteshi parameter bvunzo kuti ive yechokwadi, nekuti tambo dzinobatanidza dzakapfupika dzinogona kukonzera imwe paramende. test kukosha, kurasikirwa kwekudzoka, semuenzaniso, kuchave kwakakura nekuda kwemitsara ipfupi.

(3) Sarudza bvunzo chiyero, sarudza inowanzo shandiswa standard 1000 base-t uye yenyika standard GB50312-2016. Yakaiswa mureza 1000 base-t iri mukutarisa kwekushandiswa kwakasarudzika kweyakajairwa 1000 Mbps, katsi 5e GB50312-2016 sekatsi mhando dze5e dzeEthernet cabling zviyero, panguva yekugamuchirwa, chiyero chakatarwa huwandu hwe1000 m - 2.5 Gbps, surge dziviriro mudziyo kana mukana wekugamuchirwa kweiyi link, neichi chiyero. Pakupedzisira GB50312-2016 kati 6 rutsigiro chinongedzo chinomhanya zvakanyanya: 1000 m - 5 Gbps, chishandiso chekuchengetedza chekuwedzera. Saka vagadziri vekudzivirira vanofanirwa kuve vakajeka, vanosangana zvinoenderana neyakajairwa gigabit net 1000 base-t, kana kugutsa iyo yakazara mutsara kutapurirana Gigabit.

Iwo ekuyera kukosha kweyekuchengetedza dziviriro mudziyo pasi peyakajairika mhedzisiro mhedzisiro zvakafanana, yega yega chiyero shanduko mumavara akasiyana nemuganho weiyo frequency poiti kukosha kukosha.

2. Iyo gigabit network inodzivirira dziviriro kifaa bvunzo paramita.

Kuisa yakajairwa 1000 base-t uye GB50312-2016 kati 5e CH musiyano bvunzo.

(1) Kuisirwa kurasikirwa

Maviri eakajairwa kupinza kurasikirwa IL enzanisa

Kubva padanho rekuongorora, ina mitsara yeese ekuisa kurasikirwa inogona kugutsa zvinodiwa zveiyo muyero, isingasviki muyero muganho mutongi kukosha kwetambo tsvuku, kutarisisa kune mubairo wekuisa kurasikirwa kwe21.5 dB, kukosha uku mu iyo yekumisikidzwa kuisirwa mune ramangwana, kubatanidza kureba kwakakosha kusarudza. Kuisirwa kurasikirwa ndeyekubatana zvinodiwa, kunyangwe akasiyana mwero muganho.

Kunze kwezvo, vagadziri vezvidziviriro zvemidziyo vanowanzo kunzi kurasikirwa kweEthernet yekuisa yekuisa kurasikirwa seinotevera: 0.5 dB uye 0.5 dB / 100m, izita rakanyanya kutsanangurwa, bvunzo haizove nemhedzisiro yakadaro, nyaya inotevera isu chete tiongorore kusvetuka mutsetse inogona kuoneka, 1 mita yakareba yemhando yepamusoro kusvetuka kwekuisa kurasikirwa is 0.5 dB / 100 MHz, nyangwe yeta mudziyo wekudzivirira. saka taura kuti vagadziri vanogona tafura 0.5 dB / 10 MHz kana 2.5 dB / 100 MHz.

(2) Iyo crosstalk padyo-kumagumo NEXT

Maviri eyakajairwa padyo-magumo crosstalk ZVINOTEVEDZERA kuenzanisa

Yakakodzera gigabit Ethernet yekudzivirira chishandiso, ese ari padyo-magumo crosstalk mune muganho wekutarisa kukosha pamusoro pemutsara mutsvuku. Isina kukodzera Ethernet SPD, mimwe mitsara inopfuura, kutonga kwetambo tsvuku. Isu tinofanirwa kutarisisa kumhedzisiro yekuyedzwa, ma parameter emubhadharo weiyo yakazara chiteshi. Kwete. 2, 12,4MHz frequency point uye 2.8dB (iyo kukosha iri pasi pe3B), pano inoda yakazara chiratidzo-kune-ruzha chiyero kuti uone ACR bvunzo mhedzisiro.

(3) Kudzosera kurasikirwa RL

Dzosera kurasikirwa RL enzanisa

Tinogona kuona kuti Nha. 2, zvakare mu100MHz frequency point uye 0.6dB (iyo kukosha iri pasi pe3 dB), pano zvakare inoda yakazara chiratidzo-kune-ruzha chiyero kuona ACR bvunzo mhedzisiro.

Anokodzera kutonga mutsara chinzvimbo chakasiyana, kutongwa kwakasiyana kwemamwe sampuli, ye GB50312-2016 haisi iyo matambudziko matatu anozotarisa zvisina kukodzera hutachiona parameter, edza ichi chigadzirwa uye isu takasiyana zvachose nemheni kudzivirira chigadzirwa kuyedza, uye kushandisa iyo musimboti wekutepfenyura chiteshi 3 db, iyi parameter kuyedza SNR, sekureba sekunge chiratidzo kune ruzha chiyero chinosangana nezvinodiwa, musimboti we3 db unozongoerekana washandisa, zvirokwazvo iyo nzira yese yekutonga kwakazara kubvisa iyo opareta yekuziva mhedzisiro.

(4) Signal kune ruzha reshiyo ACR-N / F

Inooneka chiratidzo-kune-ruzha chiyero SNR bvunzo mhedzisiro yakanaka kwazvo, inogona kuzivikanwa seINOTEVERA uye RL ruzha chiratidzo irinani rakakura kune chiratidzo cheruzivo, saka kutapurirana mukati me3 db dambudziko kunogona kuona matatu maparamendi ekutsoropodza kuburikidza.

(5) Iyo wiring yemufananidzo we Network tambo

Iyo wiring dhayagiramu yemiedzo yekushandisa inoshandisa akasiyana network tambo

Mukuwedzera isu tinoona iyo wiring dhayagiramu. Correlates eakajairika emagetsi ekudzivirira chishandiso, anonyanya kushandiswa maviri pamutsara, 1/2, 3 / 6. Uchishandisa maviri akare katsi5 pamutsetse. Mapara maviri emutsetse anomhanya zvakakwana-kumhanya, yepakati-yekumhanyisa uye yekumhanya chinongedzo izvozvi, isu tichaedza kushandisa mana mapara ekudzivirira mutsara uye mana chengetedza kumhanya-mhanya dhizaini dhizaini yemutsara.

Shielding rukoko. Surge chengetedzo chishandiso ndeye simbi kesi yekudzivirira, inofanirwa kusarudza inovhara interface, mukubata iyo yekunze simbi ganda yakanaka grounding, inodzivirira chaiyo kukanganisa, vhura iyo yekufambisa mitsara ichave inoenderana inopesana-inopindira kugona. Paunenge uchiyedza, chidziviriro chekudzivirira chichavhurwa panguva imwe chete, iyo bvunzo yekutapurirana zvakare.

Ethernet Surge Protector (PoE surge protection device) parameter Kuedzwa (Chikamu IV) - Yakakosha mhando yekutarisa yeEthernet svetuka mutsetse

1. Hunhu hwekusvetuka mutsetse hauna hanya nePSD Mugadziri

Ngatitaurei nezve ipfupi network tambo iyo inobatanidza Ethernet yekuwedzera dziviriro. Pamberi pacho isu takataura yakawanda yeEthernet SPD yekuparadzira parameter yedhizaina uye bvunzo matambudziko. Tsanangura iyo yakaipa dhizaini yekumusoro yekudzivirira chishandiso yakakonzera iyo network yekuparadzira bhodhoro. Uye zvakare, pachine zvikamu kuti zvive nyore kuunza parameter kukamurwa, ndeye iyo tambo iyo iyo SPD inogadzirwa yakapihwa, inoratidza sezasi.

2. Hunhu hwemhando dzakasiyana dzekusvetuka

Mune izvi zvishandiso zviri pasi pekuyedzwa (DUT), kazhinji pane mutsetse wekusvetuka uyo unopihwa nemugadziri weSPD, iwo mucherechedzo unoratidza cat6 kana cat7 pamutsetse. Isu tinotenga imwe mhando yechiratidzo kuti tishandise iyi bvunzo.

Tafura yekusvetuka mutsara kubva kune akasiyana vagadziri

Mhando dzekusvetuka mutsetse kubva kune akasiyana vagadziri

Isu tinofananidza matatu akakosha parameter ekufambisa, svetuka mutsetse zvinoenderana nerudzi rwekhebhu cat6 yenyika yakajairwa GB50312-2016 cat6 CH kuyedza, mhedzisiro mhedzisiro irondedzero sezasi, chete mutsetse wekusvetuka (tambo) yakapihwa nePSD inogadzirwa haina kukodzera.

Ngatitarisei iyo waveform chimiro chematatu akakosha ekufambisa parameter

Kuisa kurasikirwa IL kuenzanisa

Pedyo-kumagumo crosstalk NEXT enzanisa

Dzosera kurasikirwa RL enzanisa

Iyi jumper waya yazadza iyo yekudzoka-kurasikirwa paramita ye100 m chiteshi zviwanikwa, hapana chero mvumo. Ehezve kune zvimwe zvakaita seSNR, chiratidzo-kune-ruzha chiyero, yakazara simba padhuze-magumo crosstalk yakazara simba, nezvimwe. Pakati peaya ma parameter uye matatu akakosha parameter, ane hukama hunoenderana, pano hatidzokorore ongororo.

Neyedzo sezvaungaona, imwe yeiyo yakachipa kwazvo UGREEN brand jumper waya, pasi pecat6 yenyika muyero bvunzo, iratidze mhedzisiro yakanaka kupfuura inotengeswa kunze. Pakutanga zvishandiso zvakapusa, nei vagadziri veSPD vachinetsekana kuita gadziriso inokodzera? kana vagadziri veSPD havana kuongorora uye kuyedza idzi svetuka waya iyo yakatenga kubva kumusika. Nyaya idzi dzakakosha kufunga nezvadzo.

3. Iyo inobatwa neisina kukodzera jumper waya kana uchiyedza SPD

Kana uchinge washandisa isina kukodzera jumper waya, yakaiswa SPD mugero, zvakare inokanganisa zvakanyanya, kunyangwe Ethernet SPD kuburikidza neyakagadziriswa dhizaini, inosvika kune zvinodiwa negigabit network kumhanya, ichaita kuti paramende mhedzisiro ichinje nekuda kwekushandisa iyi jumper waya.

Pazasi peyakajairwa 1000 base-t bvunzo yekushandisa yakakosha inokodzera gigabit Ethernet SPD, kana uchishandisa inokodzera svetuka waya uye isina kukodzera svetuka waya kuyedza, zvinokonzeresa zvakakosha vanokodzera uye vasina kukodzera maviri ekupedzisira kugamuchirwa. Kune iwo matatu matatu paramende ekuparadzira, semuenzaniso, anotevera mazita ekuyedza kuenzanisa kwemifananidzo.

Kuisa kurasikirwa IL

Pedyo-kumagumo crosstalk NEXT

Dzosera kurasikirwa RL

isu tinokwanisa kuona kubva muchienzanidzo, zviri pachena kuti bvunzo mbiri dzinobva kune vanokwanisa kusvika vasina kukodzera. Inofanira kunge yakajeka: SPD inogadzira tambo yekumisikidza sechikamu chePSD, inofanirwa kujoina SPD bvunzo pamwe chete, zvisinei nePSD kana kusvetuka waya chero bedzi nzira dzekubatanidza chiteshi dzisina kukodzera, pakupedzisira dzinozoona iyo SPD isina kukodzera. Saka vagadziri veSPD vanofanirwa kuongorora uye kuyedza iyo yakasvetuka waya iyo yakatengwa kubva pamusika.

Dzidza zvakawanda nezve Gigabit Ethernet Surge Mudziviriri, tinya peji rewebhu

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

Zvimwe zvakawanda nezve PoE Kuchengetedzwa Kudzivirirwa Kudzivirira DT-CAT 6A / EA, tinya peji rewebhu

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

LSP inogona kukwanisa kupa Simba rinokwanisika pamusoro peEthernet PoE Kuchengetedzwa Kudzivirirwa Kudzivirira DT-CAT 6A / EA, uye yakasimbiswa neTUV Rheinland.

Chitupa cheTUV, bvunzo maererano neyakajairwa EN 61643-21: 2001 + A1 + A2

Tarisa chitupa: https://www.certipedia.com/certificates/50458142?locale=en

Chitupa cheBB, bvunzo maererano neIEC 61643-21: 2000 + AMD1: 2008 + AMD2: 2012

Tarisa chitupa: https://www.certipedia.com/certificates/05002823?locale=en