GFH2009 RFoG FTTH Micronode
Bayanin Samfura
RFoG yana nufin "Mitar rediyo akan Gilashi". SCTE ta fito da ma'aunin fasaha a cikin daftarin aiki SCTE-174-2010, wanda ke bayyana yanayin fashe CATV hanyar dawowar laser kunna da kashewa lokacin da kumburin gani na hanya biyu ya karɓi siginar modem na kebul na sama. Hayaniyar dawowa shine babban abin damuwa na tsarin CATV na hanyoyi biyu. Duk modem na USB ko amo ta tashar CATV ana mayar da su zuwa Headend. A cikin tsarin RFoG PON, RFoG micronode mai haɗawa tare da modem ɗin kebul mai aiki yana kunna kawai yayin da sauran micronodes na RFoG ke kashe. Akwai siginar dawowar micronode RFoG guda ɗaya zuwa CMTS, ƙarancin ƙararraki fiye da tsarin CATV na hanya biyu na yau da kullun.
Tun da ƙarin tashoshi masu haɗin gwiwa a Docsis 3.0 da Docsis 3.1 tsarin, za a sami OBI (Optical Beat Interference) batun saboda laser biyu ko fiye iri ɗaya suna zuwa a photodiode ɗaya lokaci guda. Don guje wa OBI, dole ne a sami tsayin laser daban-daban a RFoG Micronode a cikin tsarin PON iri ɗaya.
RFoG Micronode yana ba CMTS da sabis na Modem na USB damar ƙaura daga HFC zuwa PON "Fiber zuwa gida".
GFH2009 RFoG MicroNode an ƙera shi don karɓar 1550nm watsa shirye-shiryen RF ko IP HD bidiyo daga Wurin Lantarki na gani (PON) da aika siginar modem na kebul na sama a 1610nm ko wani tsayin CWDM. GFH2009 yana goyan bayan watsa yanayin fashe siginar RF na dawowa, yana barin modem na USB ɗaya don sadarwa tare da CMTS a sashin lokaci na TDMA. GFH2009 yana fitar da sabis na RF masu mu'amala da juna biyu. An tsara GFH2009 don tallafawa DOCSIS2.0, DOCSIS3.0 da DOCSIS3.1.
Wasu Fasaloli:
• Karamin Gidajen Aluminum.
• 1002/1218MHz gaba hanya RF bandwidth.
• 17dBmV RF fitarwa don FTTH.
• ALC mai tasiri a -7dBm~+ 1dBm shigarwar gani.
• 5 ~ 42MHz/85MHz/204MHz mayar da bandwidth RF.
• Juya RF akan 1310nm ko 1610nm DFB Laser aiki a fashe yanayin.
• Zaɓin hanyar laser dawowar CWDM mai inganci don OBI kyauta.
• LED nuni gaba da mayar da na gani aiki matsayi.
• 6KV Surge Kariya.
• 12V DC ikon a tashar RF.
