[AipuWaton] Ukuqonda Ibanga Eliphezulu Lokudlulisela Lobuchwepheshe be-PoE

Ubuchwepheshe bamandla phezu kwe-Ethernet (i-PoE) buguqule indlela esikhipha ngayo amadivayisi enethiwekhi ngokuvumela kokubili amandla nedatha ukuthi idluliselwe ngekhebula ye-Ethernet evamile. Kodwa-ke, abasebenzisi abaningi bayazibuza ukuthi lingakanani ibanga lokudlulisa le-PoE. Ukuqonda izici ezithonya leli banga kubalulekile ekuhleleni nasekusetshenzisweni kwenethiwekhi okuphumelelayo.

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Yini Enquma Ibanga Eliphezulu Le-PoE?

Isici esibalulekile ekunqumeni ibanga eliphakeme le-PoE yikhwalithi nohlobo lwekhebula elisontekile elisetshenzisiwe. Izindinganiso ezijwayelekile zekhebula zihlanganisa:

I-Shanghai-Aipu-Waton-Electronic-Industries-Co-Ltd-

Isigaba 5 (Ikati 5)

Isekela isivinini esifika ku-100 Mbps

Isigaba 5e (Cat 5e)

Inguqulo ethuthukisiwe esebenza kangcono, futhi isekela i-100 Mbps.

Isigaba 6 (Ikati 6)

Ingakwazi ukuphatha izivinini ezingafika ku-1 Gbps.

Kungakhathalekile ukuthi hlobo luni lwekhebula, amazinga emboni asungula ibanga eliphezulu lokudlulisa elisebenza ngempumelelo elingamamitha ayi-100 (amafidi angama-328) ekuxhumekeni kwedatha ngezintambo ze-Ethernet. Lo mkhawulo ubalulekile ekugcineni ubuqotho bedatha nokuqinisekisa ukuxhumana okuthembekile.

Isayensi Engemuva Komkhawulo Wamamitha ayi-100

Lapho uthumela amasignali, amakhebuli amabili asontekile abhekana nokumelana namandla, okungaholela ekonakaleni kwesignali. Njengoba isignali inqamula ikhebuli, ingangena:

Ukunciphisa:

Ukulahleka kwamandla esignali ngebanga.

Ukuhlanekezela:

Izinguquko ku-waveform yesignali, ezithinta ubuqotho bedatha.

Uma ikhwalithi yesignali incipha ngaphezu kwemikhawulo eyamukelekayo, ithinta amazinga okudlulisela asebenzayo futhi ingaholela ekulahlekeni kwedatha noma amaphutha ephakethe.

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Ibala Ibanga Lokudlulisela

Ku-100Base-TX, esebenza ku-100 Mbps, isikhathi sokudlulisa ingxenye eyodwa yedatha, eyaziwa ngokuthi "isikhathi esincane," sibalwa kanje:

[ \text{Bit Time} = \frac{1}{100 , \text{Mbps}} = 10 , \text{ns} ]

Le ndlela yokudlulisela isebenzisa i-CSMA/CD (Carrier Sense Multiple Access with Collision Detection), okuvumela ukutholwa kokushayisana okuphumelelayo kumanethiwekhi abiwe. Nokho, uma ubude bekhebula budlula amamitha angu-100, amathuba okuba kutholwe ukungqubuzana ayancipha, okubeka engcupheni yokulahlekelwa idatha.

Kubalulekile ukuqaphela ukuthi ngenkathi ubude obukhulu busethwe kumamitha ayi-100, izimo ezithile zingavumela ukuguquguquka okuthile. Izivinini eziphansi, isibonelo, zingase zinwebe amabanga asebenzisekayo afike kumamitha angu-150-200, kuye ngekhwalithi yekhebula nezimo zenethiwekhi.

Izincomo Ezisebenzayo Zobude Bekhebula

Ekufakweni komhlaba wangempela, ukunamathela ngokuqinile emkhawulweni wamamitha ayi-100 kuyancomeka. Nokho, ochwepheshe abaningi benethiwekhi batusa ukugcina ibanga elingamamitha angu-80 kuya kwangu-90 ukuze kuqinisekiswe ukwethembeka nokunciphisa noma yiziphi izinkinga zekhwalithi ezingaba khona. Le majini yokuphepha isiza ukwamukela ukuhluka kwekhwalithi yekhebula nezimo zokufakwa.

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Nakuba amakhebuli ekhwalithi ephezulu ngezinye izikhathi angadlula umkhawulo wamamitha angu-100 ngaphandle kwezinkinga ezisheshayo, le ndlela ayinconywa. Izinkinga ezingaba khona zingase zibonakale ngokuhamba kwesikhathi, okuholela ekuphazamisekeni okukhulu kwenethiwekhi noma ukungasebenzi kahle ngemva kokuthuthukiswa.

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Isiphetho

Ukufingqa, ibanga eliphezulu lokudlulisa lobuchwepheshe be-PoE lithonywa ngokuyinhloko isigaba samakhebuli amabili asontekile kanye nemikhawulo ebonakalayo yokudluliswa kwesignali. Umkhawulo wamamitha ayi-100 usungulwe ukusiza ukugcina ubuqotho nokuthembeka kwedatha. Ngokulandela izinqubo zokufaka ezinconyiwe nokuqonda izimiso eziyisisekelo zokudluliswa kwe-Ethernet, ochwepheshe benethiwekhi bangaqinisekisa ukusebenza kwenethiwekhi okuqinile nokusebenza kahle.

Thola Isixazululo sekhebula le-ELV

Control Cables

Okwe-BMS, BUS, Industrial, Instrumentation Cable.

Uhlelo Lwekhebula Oluhlelekile

Inethiwekhi&Idatha, Ikhebula Le-Fiber-Optic, Intambo Yesiphesheli, Amamojula, I-Faceplate

2024 Ukubuyekezwa Kwemibukiso Nemicimbi

Apr.16th-18th, 2024 Middle-East-Energy e-Dubai

Ephreli 16-18, 2024 Securika e-Moscow

May.9th, 2024 UMCIMBI EMISHA NOBUCHWEPHESHE WETHULA UMCIMBI e-Shanghai

Oct.22nd-25th, 2024 SECURITY CHINA e-Beijing

Nov.19-20, 2024 CONNECTED WORLD KSA


Isikhathi sokuthumela: Dec-12-2024