GLB3500E-2R FTTH LNB
Whakaahuatanga Hua
GLB3500E-2R amiorangi TV FTTH Optical LNB he kaikawe muka whatu huri tohu whatu ki RF mo ake ki te 4 amiorangi kaiwhiwhi i roto i te whare kotahi.Ma te mahi tahi me Greatway GLB3500E-2T pouaka whakaata pouaka whakaata whakaata, kua hangaia e GLB3500E-2R te kōwae SatCR e pa ana ki te whaanui amiorangi RF, ka whakaputa i nga roopu kaiwhakamahi amiorangi e 4 ki tetahi tauranga SatCR RF mo te 4 nga kaiwhakawhiwhi amiorangi korekore.
Ko te LNB i nga wa katoa he iti te haruru Poraka, ka huri i te Ku Band 10.7GHz ~ 12.75GHz RF ranei C Band 3.7GHz ~ 4.2GHz RF ki te 950MHz ~ 2150MHz IF mo te kaiwhiwhi noho.I te SMATV i runga i te punaha muka, ka huri tetahi kaiwhakawhiti i te LNB IF ki te muka.I muri i te whakakaha muka whatu me te PON, ka tohatohahia te tohu optic ki nga rau, mano tini ranei o nga whanau FTTH.I ia kainga me te taura muka, kotahi te kaikawe whatu ka huri te muka ki te Sat IF.Ka huri te whakauru muka ki te 950MHz~2150MHz IF te putanga mo te kaiwhiwhi noho.
He rite tonu te mahi a te kaikawe ahuru mariko ki te LNB auau, he LNB "mariko" i te kainga.Ka taea te kiia ko te kaiwhakawhiwhi whatu Satellite hei Optical LNB, Fiber LNB ranei.
Ka whakanohohia te LNB i ia wa ki te rihi e anga atu ana ki te rangi.Ka whakauruhia te LNB Optical ki nga waahi katoa o te kaainga kei te waatea te muka.Ko nga ihirangi o tetahi LNB auau ka taea te hanga ano ki te 500K LNB whatu.
Ko te LNB o ia te wa he polarities poutū, whakapae ranei (13V/18V) me te roopu teitei ake, te roopu raro ranei (0Hz, 22KHz ranei).Ma te hangarau CWDM/DWDM, ka taea e te LNB whatu te mahi kotahi te tauranga RF e tautoko ana i te DiSEqC.
Ko te GLB3500E-2R he 1310nm / 1490nm / 1550nm WDM kōwhiringa tauranga mo te mahi tahi me te GPON ONU i roto i tetahi tono FTTH, e taea ai te whakauru i nga ihirangi amiorangi Quattro LNB ki roto i te punaha GPON.
Ētahi atu āhuatanga:
•Raina Raina Teitei Photodiode.
•SC/APC muka whakauru.
•Awhe AGC Optical: -6dBm ~ +1dBm.
•Kotahi te tauranga SatCR RF mo te 4 nga kaiwhiwhi noho kore e taea ki te kainga kotahi.
•Rahui RF Ban: 950~2150MHz.
•Whakaaetia CE.