Ethernet ndi Network Hubs Fotokozani
Mu malo ochezera a pa kompyuta, kanyumba kameneka ndi kachipangizo kakang'ono kosavuta mtengo kamene kakagwiritsa ntchito makompyuta osiyanasiyana.
Mpaka kumayambiriro kwa zaka za 2000s, ma Ethernet hubs analigwiritsidwa ntchito kwambiri pazithunzithunzi zapanyumba chifukwa cha kuphweka kwawo ndi mtengo wotsika. Pamene mabasiketi akuluakulu amalowetsa m'malo mwawo, nyumba zimakhalabe zothandiza. Kuwonjezera pa Ethernet, mitundu yambiri ya maofesi a hubs amakhalansopo kuphatikizapo ma hubu a USB .
Zizindikiro za ma Ethernet Hubs
Chikhomo chimakhala ndi bokosi laling'ono, lomwe nthawi zambiri limapangidwa ndi pulasitiki, lomwe limalandira mphamvu kuchokera ku khoma lachilendo. Chikhomo chimagwirizanitsa makompyuta ambiri (kapena mafoni ena a pakompyuta) palimodzi kuti apange gawo limodzi. Pachigawo ichi, makompyuta onse angathe kulankhulana mwachindunji.
Maofesi a Ethernet amasiyana mofulumira (network data rate kapena bandwidth ) amathandiza. Mawonekedwe oyambirira a Ethernet anangopereka 10 Mbps zokha zowerengedwa msanga. Mitundu yatsopano yowonjezera yowonjezera ma Mbps 100 Mbps ndipo imaperekedwa mphamvu zamapulogalamu 10 ndi 100 Mbps (zomwe zimatchedwa awiri-speed kapena 10/100 hubs).
Chiwerengero cha machweti omwe amathandizira ku Ethernet amathandizanso. Maofesi a Ethernet maulendo anayi ndi asanu amapezeka m'makompyuta a panyumba, koma maofesi a zisiti eyiti ndi 16 amapezeka m'nyumba zina ndi zazing'ono. Mazenera angagwirizane wina ndi mzake kuti athe kuchulukitsa chiwerengero cha zipangizo zamtundu wazitali.
Makanda akuluakulu a Ethernet anali aakulu kukula kwake ndipo nthawi zina ankakhala phokoso chifukwa anali ndi mafani omwe ankamangidwa chifukwa chozizira. Zipangizo zamakono zamakono zili zochepetsetsa, zopangidwa kuti ziziyenda bwino, komanso zopanda pake.
Zosasamala, Zogwira Ntchito Ndiponso Zapamwamba
Pali mitundu itatu ya maziko omwe alipo:
- osasamala
- yogwira ntchito
- wanzeru
Mabala osasintha samapangitsa mphamvu ya magetsi kuti ipitirire mapepala asanawatulutse ku intaneti. Makina opangira , komano, amachititsa izi kukulitsa, monga momwe zimagwiritsidwira ntchito mosiyana ndi chipangizo chotetezera chotchedwa network repeater . Anthu ena amagwiritsa ntchito mawu akuti concentrator ponena za kubwezeretsa kachipangizo kameneka komanso maulendo ambirimbiri ponena za kachipangizo kameneka.
Makhalidwe abwino amaphatikizapo zina zowonjezera kuntchito yothandiza yomwe ili yofunika kwambiri kwa bizinesi. Chinthu chodziwika bwino chimakhala chachimake (chomangidwa m'njira yoti magulu angapo akhoza kuikidwa pamwamba pa china kuti asunge malo). Maofesi a Ethernet anzeru amakhalanso ndi mphamvu zogwiritsira ntchito kutali ndi SNMP komanso thandizo la LAN (VLAN) .
Kugwira Ntchito ndi Maofesi a Ethernet
Kuti mutumikire, gulu la makompyuta pogwiritsa ntchito kachipangizo ka Ethernet, choyamba gwiritsani chingwe cha Ethernet mu unit, kenaka gwirizanitsani mapeto ena a chingwe ku khadi la mawonekedwe la makompyuta ( network) . Makina onse a Ethernet amavomereza ojambulira RJ-45 a zingwe za Ethernet.
Kuti muonjezere makanema kuti mugwirizane ndi zipangizo zambiri, ma Ethernet hubs akhoza kuthandizana wina ndi mzake, kusintha , kapena kuyenda.
Pamene Ethernet Hub ikufunika
Maofesi a Ethernet amagwira ntchito ngati zipangizo 1 Mchikhalidwe cha OSI . Ngakhale maofesi omwe amafanana nawo, pafupifupi zipangizo zonse za Ethernet zogwiritsira ntchito makina masiku ano amagwiritsira ntchito makina osokoneza makompyuta m'malo mwake, chifukwa cha kupindula kwa ntchito. Chikhomo chingakhale chothandizira pang'onopang'ono kusokoneza makasitomala osokonezeka kapena pamene ntchito siili yovuta pa intaneti.