GWR3300 Mai karɓar Hanya Quad Komawa
Bayanin Samfura
GWR3300 rack Dutsen mai karɓar hanyar dawowa an tsara shi don karɓar siginar dawowar CATV na cikin gida.A cikin 19 "1RU rack, akwai mafi girman 4 masu karɓar hanyar dawowa masu zaman kansu masu zaman kansu, waɗanda ke karɓar siginar siginar hanyar dawowa daga nodes ɗin mu na gani idan akwai fiber zuwa ginin ko cibiyar sadarwar PON guda hudu idan akwai fiber zuwa gida.Kowane mai karɓa yana da ginanniyar ƙaramar ƙarar ƙarar PIN diode, GaAs preamplifier, ƙarancin izinin wucewar bandeji da babban matakin fitarwa na RF, yana samar da matakin fitarwa har zuwa 45dBmV a 19” 1RU na baya.PIN diode yana goyan bayan 1260nm ~ 1650nm tsayin raƙuman gani, gami da mashahurin 1310nm, 1550nm da sauran tashoshi na CWDM.A gaban panel, akwai tashar gwajin gwajin RF guda ɗaya -20dB da ɗaya ci gaba mai daidaitawa mai daidaitawa ga kowane mai karɓa, yana ba da sauƙin saita kowane hanyar dawowar matakin fitarwa na RF.Matsakaicin bandwidth na kowane mai karɓar hanyar dawowa shine 5MHz ~ 204MHz, daidaitaccen kumburin gani na RF band tsagawa na 42/54MHz, 65/85MHz, 85/102MHz, 204/258MHz, yana goyan bayan Docsis 2.0, Docsis 3.0 da Docsis 3.1 na USB modem sama RF.A takaice dai, GWR3300 na iya ma'amala da duk siginar CATV na sama, komai nodes na gani ko RFoG micronodes.
Bayan hanyoyin dawowar masu zaman kansu guda huɗu na abubuwan RF, akwai tashar tashar RF guda ɗaya wacce ke haɗa abubuwan masu karɓa huɗu azaman fitarwar RF ɗaya, wanda ya dace da haɗin tashar tashar CMTS US.
Tare da babban aiki photodiode da matasan amplifier, GWR3300 yana ba da tsattsauran ra'ayi na dawowa don sigina na haɓakawa na Cable Modem.Alamar wutar gani da tashar gwajin RF a gaban panel na iya nuna matsayin mai karɓa.
Wasu Fasaloli:
• 1550nm/1310nm dual kalaman tsayi.
• RPR 4 mai zaman kanta a cikin daidaitaccen rak ɗin 19” 1U ɗaya.
• Ƙananan amo, high linearity photodiode.
• Bandwidth na RF 5-204 MHz.
• Fitar bandeji guda biyu don rage hayaniya mai tasowa.
• Daidaita fitarwa da -20dB RF gwajin samuwa a gaban panel.
