Ponena za zida zophatikiza ndi ogwiritsa ntchito mu gawo la Broadband, nthawi zambiri timawona mawu achingelezi monga OTU, STT, SFU, ndi Hgu. Kodi mawuwa amatanthauza chiyani? Kodi pali kusiyana kotani?
1. Atos ndi ma salts
Mitundu yayikulu yofunsira kufinya ya Broadband Purfic Purce Punt: FTTH, FTTT, ndi FTB, ndipo mitundu ya zida zosewerera ndizosiyana ndi mitundu yosiyanasiyana. Zida zogwiritsa ntchito za ftth ndi ftto zimagwiritsidwa ntchito ndi wogwiritsa ntchito imodzi, yotchedwaOnt.Oni.
Wogwiritsa ntchito yemwe watchulidwa pano amatanthauza wogwiritsa ntchito yemwe wagundidwa pawokha ndi wothandizira, osati kuchuluka kwa matelole omwe amagwiritsidwa ntchito. Mwachitsanzo, adt a ftth nthawi zambiri amagawana ndi matelo angapo mnyumba, koma wogwiritsa ntchito m'modzi yekha ndiye angawerengedwe.
2. Mitundu ya ma intts
ONT ndi zomwe timakonda kuwulutsa modem, yomwe imagawidwa mu SFU (banja limodzi lokha, pakhomo la ogwiritsa ntchito)
2.1. Sо
SFU nthawi zambiri ili ndi mawonekedwe 1 mpaka 4 a Ethernet, 1 mpaka 2 mawonekedwe okhazikika pafoni, ndipo mitundu ina imakhalanso ndi mawonekedwe a TV. SFU ilibe nyumba yanyumba yolumikizirana, ndipo kokha kokha wolumikizidwa ndi doko la Ethernet kapena porton yolumikizira intaneti, ndipo ntchito yakutali ndi yofooka. Modem wowoneka bwino womwe umagwiritsidwa ntchito poyambirira wa ftth ndi wa SFU, womwe umagwiritsidwa ntchito kawirikawiri tsopano.
2.2. Hgus
Makina owoneka bwino okhala ndi ogwiritsa ntchito a FTTH omwe amatsegulidwa m'zaka zaposachedwa ndi zonseHgu. Poyerekeza ndi SFU, Hgu ali ndi izi:
. Pomwe sfu ndi chipangizo chotsitsa chotsitsa, chomwe sichimagwira pakhomo, ndipo nthawi zambiri chimafunikira mgwirizano wa zida za Chipata monga ma rauta pompopompo.
. Pomwe SFU imakhazikitsa njira yolumikizira-2, yomwe ikufanana ndi switch-2.
. Pomwe sfu iyenera kukhala yolembedwa ndi kompyuta ya wogwiritsa ntchito kapena foni yam'manja kapena kudzera pa rauta yanyumba.
(4) HGE ndizosavuta kugwira ntchito yayikulu ndi kukonza.
Hgu nthawi zambiri umabweraWifi ndipo ili ndi doko la USB.
2.3. SBus
Sbu imagwiritsidwa ntchito pofikira wa FTTO, ndipo nthawi zambiri imakhala ndi mawonekedwe a Ethernet, ndipo mitundu ina imakhala ndi mawonekedwe a e1, mawonekedwe a dzinza, kapena ntchito ya WiFi. Poyerekeza ndi sfu ndi hgu, sbu ali ndi chitetezo chamagetsi komanso kukhazikika kwambiri, komanso nthawi zambiri kumagwiritsidwa ntchito popanga mavidiyo monga kanema.
3. OTUTye pe
Oni wagawidwaMdu(Malo okhalamo ambiri, wokhala ndi malo okhala) ndi MTU (uniti-tenet unit, unit-tenalti unit).
Mdu kugwiritsidwa ntchito makamaka pofikira anthu ambiri okhala pansi pa mtundu wa FTB, ndipo nthawi zambiri amakhala ndi 8, nthawi zambiri amakhala ndi 8, 16, 24 fu kapena matebulo (matelefoni).
MTU imagwiritsidwa ntchito pofikira mabizinesi angapo kapena mabizinesi angapo omwe ali mu bizinesi yomweyo mu scnario ya FTB. Kuphatikiza pa mawonekedwe a Ethernet ndikukhazikitsa mawonekedwe a foni, athanso kukhala ndi mawonekedwe a E1; Maonekedwe ndi ntchito ya MTU nthawi zambiri siyofanana ndi ya mdu. Kusiyanako, koma magwiridwe antchito oteteza magetsi ndikwabwino ndipo kukhazikika kuli kovuta. Ndi kutchuka kwa FTTO, malo ogwiritsira ntchito a MTU akuwonjezereka komanso ocheperako.
4. Chidule
Kupeza kwa Broadband Offic kwenikweni kumatengera ukadaulo wa pon. Pamene mawonekedwe enieni ogwiritsa ntchito osasuta sichimasiyanitsidwa, zida zosuta za ponts za pon zimatha kukhalapo mogwirizana monga OTU.
OTU, Ont, SFU, Hgu ... awa zida Onsewa amafotokoza zida za ogwiritsa ntchito kuti zitheke kuchokera ku ngolo zochokera ku ngolo zosiyanasiyana, ndipo ubale womwe ulipo pakati pawo ukuwonetsedwa m'chigawo pansipa.
Post Nthawi: Apr-21-2023