Blog

Netiweki ya PON imakhala ndi magawo atatu: OLT (yomwe nthawi zambiri imayikidwa muchipinda cha makompyuta), ODN, ndi ONU (nthawi zambiri imayikidwa m'nyumba ya wogwiritsa ntchito kapena mukhonde pafupi ndi wogwiritsa ntchito). Pakati pawo, gawo la mizere ndi zida kuchokera ku OLT kupita ku ONU ndizopanda pake, motero zimatchedwa Passive ...

1, Tisanatchule FTTR, tiyeni timvetsetse mwachidule zomwe FTTx ndi. FTTx ndiye chidule cha "Fiber to The x", kutanthauza "fiber to x", pomwe x samayimira kokha malo omwe CHIKWANGWANI chimafika, komanso chimaphatikizanso zida zama netiweki zamawu zomwe zimayikidwa pa ...

Kodi fiber optic transceiver ndi chiyani? Ma fiber optic transceivers ndi ma Ethernet transmission media conversion units omwe amasinthanitsa ma siginecha amagetsi opotoka mtunda waufupi okhala ndi ma siginecha akutali, omwe amadziwikanso kuti ma fiber converters m'malo ambiri. Zogulitsa ndi gen...

Kukula kwaukadaulo wa Power over Ethernet (POE) ndikolimba kwambiri. Kupititsa patsogolo lusoli kungapangitse kuyika ndi kuyika zida zamagetsi mosavuta, motero kuthetsa kufunika kwa mizere yodziyimira payokha. Masiku ano, ukadaulo wamagetsi ...

Ziribe kanthu kuti ndi njira iti yomwe imagwiritsidwa ntchito kuti ikwaniritse kulumikizana kwamadoko pamaneti, sikungasiyanitsidwe ndi ma protocol oyenera. Komabe, Ethernet yomwe ikukhudzidwa ndi gulu lathu lamakampani la ONU makamaka imatsatira muyezo wa IEEE 802.3. M'munsimu muli mawu oyamba a ...

TVS - Yaifupi ya Transient Voltage Suppressor Diode. TV ndi chipangizo chochepetsera mphamvu yamagetsi yotchinga mphamvu yamagetsi ngati diode. Pamene mizati iwiri ya TVS ikukumana ndi kugwedezeka kwamphamvu kwamphamvu kwanthawi yayitali, imatha kusintha kutsekeka kwakukulu pakati pa mitengo iwiri int ...