Lub nplhaib network hloov ua haujlwm ntawm cov ntaub ntawv txuas txheej, nrog lub tsheb loj-bandwidth rov qab thiab sab hauv hloov matrix. Tom qab lub tswj Circuit Court tau txais cov ntaub ntawv pob ntawv, qhov chaw nres nkoj ua haujlwm saib cov lus qhia chaw nyob hauv lub cim xeeb los txiav txim siab qhov twg ...

Cov keyboards tau muab faib ua cov keyboards tswj thiab tsis tswj cov keyboards raws li seb lawv puas tuaj yeem tswj tau lossis tsis ua. Kev tswj cov keyboards tuaj yeem tswj hwm los ntawm cov txheej txheem hauv qab no: kev tswj hwm los ntawm RS-232 serial chaw nres nkoj (lossis chaw nres nkoj sib txuas), kev tswj xyuas los ntawm peb ...

serial chaw nres nkoj neeg rau zaub mov muab cov chaw nres nkoj serial rau network muaj nuj nqi, kom lub serial chaw nres nkoj ntaus ntawv tam sim ntawd muaj lub TCP / IP network interface muaj nuj nqi, txuas mus rau lub network rau cov ntaub ntawv kev sib txuas lus, zoo heev nthuav kev sib txuas lus deb ntawm lub seri ...

Kev tiv thaiv qib ntawm kev lag luam keyboards feem ntau hu ua IP tiv thaiv ntsuas. IP hais txog "kev tiv thaiv kev nkag mus, kev tiv thaiv kev nkag mus", thiab qib kev tiv thaiv yog tsim los ntawm IEC (International Electrotechnical Association). Yog li, thaum peb yog purc ...

Raws li peb txhua tus paub, ib qho ntawm qhov zoo ntawm PoE fais fab mov yog lub zog txuag, tab sis qhov twg lub zog txuag tau tshwm sim nws tus kheej? Lub PoE hloov pauv yuav hloov kho lub zog raws li cov khoom siv hluav taws xob. Piv txwv li, thaum kub ntawm ib qho inf ...

1. Lub zog tsis txaus, qhov kawg tau txais tsis tuaj yeem txav: 802.3af tus qauv (PoE) tso zis hluav taws xob tsawg dua 15.4W, uas yog txaus rau IPC, tab sis rau high-power pem hauv ntej-kawg cov khoom xws li dome koob yees duab, cov zis hwj chim tsis tuaj yeem ncav cuag Kev thov. 2. Risk yog ...

Niaj hnub no, nrog rau kev loj hlob ntawm tib neeg, ntau lub tuam txhab muaj ntau dua thiab siab dua cov kev xav tau ntawm lub network, ntau thiab ntau cov txheej txheem, ntau cov kab qub yuav tsum tau hloov kho thiab hloov kho dua tshiab, thiab cov kev xav tau ntawm kev lag luam hloov tau nce siab thiab siab ...

Cov lus qhia tshwj xeeb ntawm fiber ntau media converter qhia: Lub fiber media converter muaj tag nrho ntawm 6 lub teeb, ob kab ntawm ntsug teeb, peb lub teeb nyob ze ntawm lub patch qaum yog qhov taw qhia teeb rau cov fiber ntau, thiab 3 lub teeb nyob ze ntawm ne. ..

Lub network hloov pauv yog ib qho cuab yeej uas nthuav dav lub network thiab tuaj yeem muab cov chaw nres nkoj txuas ntxiv hauv sub-network kom txuas tau ntau lub khoos phis tawj. Nws muaj cov yam ntxwv ntawm kev ua tau zoo-nqi piv, siab yooj, kuj yooj yim, thiab siv tau yooj yim. Yog li...

Muaj Ethernet keyboards muab tso rau sab nraum qab ntawm lub router kom nthuav dav lub router interface los daws qhov teeb meem ntawm kev cuam tshuam tsis txaus. Thaum Ethernet tsim, vim nws siv cov Carrier Sense Multiplexing Sib tsoo nrhiav pom (CSMA / CD mechanism), ...