100M fiber optic transceiver (haske ɗaya da wutar lantarki 8) Toshe kuma kunna Sauƙi don Amfani

Fahimta da bambanci tsakanin keɓewar hankali da keɓewar jiki game da masu karɓar fiber na gani na Ethernet

A zamanin yau, tare da faffadan aikace-aikacen Ethernet, a fagage da yawa, kamar wutar lantarki, banki, tsaro na jama'a, soja, layin dogo, da cibiyoyin sadarwa masu zaman kansu na manyan masana'antu da cibiyoyi, akwai buƙatun samun damar Ethernet na zahiri da yawa, amma menene keɓewar jiki. Ethernet?Me game da net?Menene keɓancewar Ethernet a hankali?Ta yaya za mu yi la'akari da keɓewar hankali da keɓewar jiki?
Menene keɓewar jiki:
Abin da ake kira "keɓancewar jiki" yana nufin cewa babu hulɗar bayanan juna tsakanin cibiyoyin sadarwa biyu ko fiye, kuma babu lambar sadarwa a Layer na zahiri / Layer link Layer/IP Layer.Manufar keɓewar jiki shine don kare kayan masarufi da hanyoyin sadarwa na kowace hanyar sadarwa daga bala'o'i, ɓarna na mutum da hare-haren satar waya.Misali, keɓewar hanyar sadarwa ta zahiri da na jama'a na iya tabbatar da cewa masu satar bayanai ba su kai hari ta hanyar Intanet ba.

Menene keɓewar hankali:
Mai keɓe mai ma'ana kuma yanki ne na keɓe tsakanin cibiyoyin sadarwa daban-daban.Har yanzu akwai hanyoyin haɗin yanar gizon bayanai akan Layer na zahiri / bayanan haɗin yanar gizo a keɓance ƙarshen, amma ana amfani da hanyoyin fasaha don tabbatar da cewa babu tashoshi na bayanai a keɓewar iyakar, wato, a hankali.Keɓewa, keɓancewar ma'ana na masu ɗaukar hoto / masu sauya hanyar sadarwa akan kasuwa gabaɗaya ana samun su ta hanyar rarraba ƙungiyoyin VLAN (IEEE802.1Q);

VLAN yayi daidai da yankin watsa shirye-shirye na Layer na biyu (Layer link Layer) na samfurin tunani na OSI, wanda zai iya sarrafa guguwar watsa shirye-shirye a cikin VLAN.Bayan rarraba VLAN, saboda raguwar yankin watsa shirye-shirye, an gane keɓantawar tashoshin cibiyar sadarwar VLAN guda biyu daban-daban..

Mai zuwa shine zane mai tsari na rabuwar hankali:

Hoton da ke sama hoto ne na tsari mai ma'ana na keɓewar 1 na gani 4 na fiber optic transceiver: 4 tashoshi na Ethernet (100M ko Gigabit) suna kama da hanyoyin 4 na babbar hanya, shiga cikin rami, rami guda ɗaya ne, kuma hanyar fita daga rami Sai kuma akwai hanyoyi guda 4, 1 na gani da kuma 4 lantarki 100M Logic isolation fiber optic transceivers, tashar tashar tashar tashar kuma ita ce 100M, kuma bandwidth ɗin 100M ne, don haka bayanan cibiyar sadarwa da ke shigowa daga tashoshi 4 na 100M yakamata a tsara su akan 100M. tashar fiber.Lokacin shiga da fita, yi layi da fita zuwa hanyoyin da suka dace;don haka, a cikin wannan bayani, ana haɗa bayanan cibiyar sadarwa a cikin tashar Fiber kuma ba a keɓe ba kwata-kwata;