Taw qhia txog qhov sib txawv ntawm PCM multiplexing khoom thiab PDH khoom
Xyoo 2021-07-19
Ua ntej tshaj plaws, cov khoom siv PCM thiab cov khoom siv PDH yog cov khoom sib txawv kiag li. PCM yog cov khoom siv sib xyaw ua ke, thiab cov khoom siv PDH yog cov khoom siv kho qhov muag. Cov teeb liab digital yog tsim los ntawm kev sampling, quantizing thiab encoding lub nruam...
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Lub luag haujlwm ntawm serial server yog dab tsi?
2021-07-23 IB
Lub chaw nres nkoj serial muab kev ua haujlwm ntawm qhov chaw nres nkoj mus rau Is Taws Nem, uas tuaj yeem hloov pauv RS-232/485/422 serial chaw nres nkoj rau hauv TCP / IP network interface, thiab tuav ob txoj hauv kev sib kis ntawm cov ntaub ntawv txheeb cais ntawm RS-232. /485/422 Serial P...
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Dab tsi yog qhov txawv ntawm kev hloov pauv kev tswj hwm thiab kev hloov pauv tsis muaj kev tswj hwm yog dab tsi?
2021-07-14 IB
Cov keyboards muaj tshwj xeeb hauv kev tsim cov kev daws teeb meem kom ua tau raws li qhov yuav tsum tau ua ntawm kev hloov pauv thiab ntau yam kev tsim khoom siv, thiab nthuav tawm cov nqi hluav taws xob sib txuas lus sib txuas lus daws teeb meem. Cov keyboards muaj kuj tau muab faib ua t...
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Dab tsi yog qhov txawv ntawm fiber ntau optic transceivers thiab raws tu qauv converters?
2021-07-07 IB
Hauv kev sib txuas lus hauv kev sib txuas lus, peb feem ntau siv fiber ntau optic transceivers thiab raws tu qauv converters, tab sis cov phooj ywg uas tsis paub ntau txog lawv tej zaum yuav confuse ob. Yog li, dab tsi yog qhov txawv ntawm fiber ntau optic transceivers thiab raws tu qauv converters? Cov conc...
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Lub POE hloov pauv tau qhov kev ncua deb ntawm 250 meters?
2021-07-02 IB
Qee cov neeg siv khoom nug, muaj POE hloov pauv ntawm lub khw uas lees tias muaj peev xwm xa tau 150 meters lossis txawm tias 250 meters, puas yog qhov tseeb lossis cuav? Ua ntej tshaj plaws, peb yuav tsum nkag siab tias POE yog dab tsi. POE yog lub npe luv ntawm Lub Hwj Chim dhau Ethernet, uas txhais tau tias w ...
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Kev ua haujlwm thiab cov yam ntxwv ntawm PDH optical transceiver
2021-06-24 IB
PDH optical transceiver (Plesiochronous Digital Hierarchy), quasi-synchronous digital transmission series system. PDH optical transceivers yog me me-muaj peev xwm optical transceivers. PDH optical transceivers feem ntau yog siv ua khub, tseem hu ua point-to-poi ...
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Daim ntawv thov qhia txog SDH optical transceiver
2021-06-28
Optical transceiver yog cov khoom siv davhlau ya nyob twg rau cov teeb liab kis tau tus mob. Optical transceivers yuav tsum tau muab faib ua xov tooj optical transceivers, video optical transceivers, audio optical transceivers, cov ntaub ntawv kho qhov muag transceivers, Ethernet optical tr ...
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Lub xov tooj optical transceiver puas siv tau yooj yim?
2021-06-22 2021
Lub xov tooj optical transceiver puas siv tau yooj yim? Tau kawg nws yog ib qho yooj yim mus use, txwv tsis pub nws yuav tsis yog ib yam khoom ntawm keeb kwm kev loj hlob ntawm cov khoom sib txuas lus! Xov tooj optical transceiver yog ib qho khoom siv uas hloov cov xov tooj ntawm tes hauv ...
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Dab tsi yog hom interface ntawm lub xov tooj optical transceiver?
2021-06-18 IB
Feem ntau siv xov tooj sib txuas hom xov tooj optical transceivers yog: voj relay interface (FXO), analog subscriber line interface (FXS), hotline xov tooj interface (tus xov tooj official), hlau nplaum xov tooj interface. Xov tooj optical transceivers ...
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Taw qhia rau qhov chaw siv tau ntawm 8-chaw nres nkoj PoE Hloov
2021-06-10 IB
8-chaw nres nkoj POE network hloov "Tsis txhob hlawv lub cuab yeej" ntse POE hloov, kev paub txog tus kheej algorithm tsuas yog lub zog IEEE 802.3af cov khoom siv davhlau ya nyob twg, yog li tsis tas yuav txhawj xeeb txog kev puas tsuaj rau tus qauv PoE lossis cov khoom tsis yog PoE. Intelligent fais fab mov system ...
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