Shin modem ɗin gani yana da alaƙa da maɓallin kunnawa ko na'urar sadarwa ne da farko

Da farko haɗa na'urar sadarwa.

Ana haɗa modem ɗin gani da na'urar sadarwa da farko sannan kuma zuwa maɓallin, saboda na'urar sadarwa tana buƙatar ware ip, kuma maɓallin ba zai iya ba, don haka dole ne a sanya shi a bayan na'urar sadarwa. Idan ana buƙatar tabbatar da kalmar sirri, ba shakka, da farko a haɗa zuwa tashar WAN ta na'urar sadarwa, sannan a haɗa zuwa maɓallin daga tashar LAN.

Yadda kyanwa mai haske ke aiki

Modem ɗin baseband ya ƙunshi aikawa, karɓa, sarrafawa, haɗawa, kwamitin aiki, samar da wutar lantarki da sauran sassa. Na'urar tashar bayanai tana samar da bayanan da aka watsa ta hanyar siginar binary serial, tana mayar da ita zuwa matakin dabaru na ciki ta hanyar hanyar sadarwa, sannan ta aika ta zuwa ɓangaren aikawa, tana daidaita ta zuwa siginar buƙatar layi ta hanyar da'irar daidaitawa, sannan ta aika ta zuwa layin. Na'urar karɓa tana karɓar siginar daga layin, tana mayar da ita zuwa siginar dijital bayan tacewa, daidaitawar juyi, da juyawar matakin, sannan ta aika ta zuwa na'urar tashar dijital. Modem ɗin gani na gani na'ura ce mai kama da modem ɗin baseband. Ya bambanta da modem ɗin baseband. An haɗa ta da layin da aka keɓe na fiber na gani kuma siginar gani ce.

Bambanci tsakanin modem na gani, switch da na'ura mai ba da hanya tsakanin hanyoyin sadarwa

1. Ayyuka daban-daban

Aikin modem ɗin gani shine canza siginar layin waya zuwa siginar layin sadarwa don amfani a Intanet na kwamfuta;

Aikin na'urar sadarwa ita ce haɗa kwamfutoci da yawa ta hanyar kebul na sadarwa don cimma haɗin kiran waya ta hanyar amfani da na'urar sadarwa ta intanet, gano aika fakitin bayanai da kuma rarraba adireshi ta atomatik, kuma tana da aikin firewall. Daga cikinsu, kwamfutoci da yawa suna da asusun intanet mai yawa, intanet za ta shafi juna.

Aikin maɓalli shine haɗa kwamfutoci da yawa da kebul na cibiyar sadarwa ɗaya don cimma aikin Intanet a lokaci guda, ba tare da aikin na'urar sadarwa ba.

2. Amfani daban-daban

Idan modem ɗin optical ya shiga fiber ɗin optical a gida, maɓallin da na'urar sadarwa suna aiki akan LAN, amma maɓallin yana aiki akan layin haɗin bayanai, kuma na'urar sadarwa tana aiki akan layin hanyar sadarwa.

3. Ayyuka daban-daban

A taƙaice dai, modem ɗin gani daidai yake da masana'antar haɗa na'urar, na'urar tana daidai da dillalin jimla, kuma maɓalli yana daidai da mai rarraba kayan aiki. Siginar analog da aka watsa ta hanyar kebul na cibiyar sadarwa ta yau da kullun ana canza ta zuwa siginar dijital ta hanyar modem ɗin gani, sannan siginar tana aika zuwa PC ta hanyar na'urar. Idan adadin PC ya wuce haɗin na'urar, kuna buƙatar ƙara maɓalli don faɗaɗa maɓalli.

Tare da haɓaka sadarwa ta fiber optical, wani ɓangare na modem ɗin optical da masu aiki ke amfani da su yanzu suna da ayyukan sarrafawa.