- los ntawm Admin / 13 Oct 22 /0Cov lus pom
Dab tsi yog lub teeb nthwv dej hauv cov ntsiab lus [Piav]
Lub teeb tsis yog hluav taws xob hluav taws xob tsim los ntawm cov hluav taws xob hauv cov txheej txheem ntawm atomic motion. Kev txav ntawm electrons hauv atoms ntawm ntau yam khoom sib txawv, yog li lub teeb nthwv dej lawv emit kuj txawv. Spectrum yog ib tug qauv ntawm lub teeb monochromatic sib cais los ntawm ib tug dispersion system (...Nyeem ntxiv![Dab tsi yog lub teeb nthwv dej hauv cov ntsiab lus [Piav]](//cdnus.globalso.com/hdv-fiber/what-is-Light-Wave.jpg)
- los ntawm Admin / 12 Oct 22 /0Cov lus pom
Qhov zoo thiab cov qauv ntawm Ethernet
Lub tswv yim piav qhia: Ethernet yog tus qauv kev sib txuas lus ntau tshaj plaws uas tau txais los ntawm LAN uas twb muaj lawm. Ethernet network siv CSMA/CD (Carrier Sense Multiple Access and Conflict Detection) technologies. Ethernet dominates LAN technologies: 1. Tus nqi qis (tsawg dua 100 Ethernet network tsheb ...Nyeem ntxiv
- los ntawm Admin / 11 Oct 22 /0Cov lus pom
LAN nruab nrab nkag mus tswj txoj kev
Kev nkag mus thiab tswj cov khoos phis tawj sib txawv li cas los ntawm kev tshaj tawm hauv LAN yog nkag siab ua ntej raws li hauv qab no. Ib lub sij hawm ntev dhau los, Ethernet tau siv los txuas tag nrho cov kab ntawm cov khoos phis tawj hauv tsev mus rau lub npav kom paub txog kev sib txuas lus ntawm cov khoos phis tawj. Thaum siv txoj kev no los xa cov ntaub ntawv, koj tsis xav tau ...Nyeem ntxiv
- los ntawm Admin / 10 Oct 22 /0Cov lus pom
Kub, Rate, Voltage, Transmitter, thiab Receiver ntawm Optical Module
1 、 Kev ua haujlwm kub Kev ua haujlwm kub ntawm qhov kho qhov muag module. Ntawm no, qhov kub thiab txias yog hais txog lub vaj tsev kub. Muaj peb qhov kev ua haujlwm kub ntawm qhov kho qhov muag module, kev lag luam kub: 0-70 ℃; Ua haujlwm kub: -40 ℃ - 85 ℃; Kuj tseem muaj exp...Nyeem ntxiv
- los ntawm Admin / 09 Oct 22 /0Cov lus pom
Diode yog dab tsi? [Plaub]
Lub Diode yog tsim los ntawm PN kev sib tshuam, thiab lub photodiode tuaj yeem hloov kho qhov muag teeb liab mus rau hauv cov teeb liab hluav taws xob, raws li qhia hauv qab no: Feem ntau, covalent daim ntawv cog lus yog ionized thaum lub PN hlws ris yog illuminated nrog lub teeb. Qhov no tsim lub qhov thiab electron khub. Lub photocurrent yog generated vim t ...Nyeem ntxiv![Diode yog dab tsi? [Plaub]](//cdnus.globalso.com/hdv-fiber/What-is-Diode-Explained.jpg)
- los ntawm Admin / 08 Oct 22 /0Cov lus pom
Kev nkag siab ua ntej ntawm LAN
LAN yog qhov nrov tshaj plaws uas peb siv niaj hnub no. LAN yog dab tsi? Local Area Network (LAN) yog hais txog ib pawg ntawm cov khoos phis tawj sib txuas los ntawm ntau lub khoos phis tawj hauv ib cheeb tsam uas siv cov channel tshaj tawm. Qhov ntau muaj nyob rau hauv cheeb tsam no, cov khoom siv ntau dua tuaj yeem sib txuas lus. Thiab tsuas yog cov ...Nyeem ntxiv
![Dab tsi yog lub teeb nthwv dej hauv cov ntsiab lus [Piav]](http://cdnus.globalso.com/hdv-fiber/what-is-Light-Wave.jpg)
![Diode yog dab tsi? [Plaub]](http://cdnus.globalso.com/hdv-fiber/What-is-Diode-Explained.jpg)
