I-GLB2000A-K Terr TV kanye ne-Fiber Optic Twin LNB

Izici:

Izindlu zepulasitiki eziqinile ezibuyisela amalangabi.

Ibanga le-Optical AGC: -6dBm ~ +1dBm.

I-Output Terr TV + Horizontal (LHCP)@18V kusukela ku-STB sat.

I-Output Terr TV + Vertical (RHCP)@13V kusuka ku-STB sat.

Inikwa amandla yi-STB yesethelayithi.

Isebenza nge-GLB3500A-2T transmitter.

Inketho: Imbobo ye-WDM eya ku-GPON noma i-XGPON ONU.

Inketho: isekela 4 satellite STBs.


IMINININGWANE YOMKHIQIZO

Incazelo Yomkhiqizo

I-GLB2000A TV yesathelayithi ye-FTTH i-LNB yokubona iguqula isignali yokubona ibe izingxenye ezimbili ze-RF kwesamukeli esisodwa sesathelayithi.Isebenza ne-Greatway GLB3500A-2T ye-TV yesathelayithi ehambisa i-fiber optic transmitter, i-GLB2000A ikhipha isignali yekhwalithi ephezulu ye-Terrestrial TV+ Vertical/Horizontal RF.Le LNB ye-ftth ingashintsha isignali ephumayo Eqondile (noma i-RHCP) noma Evundlile (noma i-LHCP) ngamandla angu-13V noma angu-18V DC asuka kwesamukeli sesathelayithi.

I-LNB evamile i-Low Noise Block, iguqulela i-Ku Band 10.7GHz~12.75GHz RF noma i-C Band engu-3.7GHz~4.2GHz RF iye ku-950MHz~2150MHz IF kumamukeli ahlala.Ku-SMATV ngohlelo lwefayibha, isidluliseli esisodwa siguqula i-LNB IF ibe ifayibha.Ngemuva kwe-fiber optic amplifier ne-PON, isignali ye-optic isatshalaliswa kumakhulu noma izinkulungwane zemindeni ye-FTTH.Ekhaya ngalinye elinekhebula le-fiber, isamukeli esisodwa esibonakalayo siguqula i-fiber ibe yi-Sat IF.Okokufaka kwe-Fiber kuphendukela ku-950MHz ~ 2150MHz IF okukhiphayo IF kumamukeli ahlala.

• Isathelayithi yokubona eyamukelayo idlala indima efanayo ne-LNB evamile, iyi-LNB "ebonakalayo" ekhaya.Isamukeli esibonakalayo sesathelayithi singabizwa ngokuthi i-Optical LNB noma i-Fiber LNB.
• I-LNB evamile ifakwa esitsheni esibheke esibhakabhakeni.I-Optical LNB ifakwa noma yikuphi ekhaya lapho i-fiber itholakala khona.Okuqukethwe kwe-LNB eyodwa evamile kungaphinda kukhiqizwe kuze kufike ku-500K optical LNBs
• I-LNB evamile ine-polarities eqondile noma evundlile (13V/18V) kanye nebhendi ephakeme noma ibhendi ephansi (0Hz noma 22KHz).Ngobuchwepheshe be-CWDM/DWDM, i-Optical LNB ingaba nomsebenzi ofanayo wembobo ye-RF kusuka ku-SM fiber eyodwa.

I-LNB evamile i-Low Noise Block, iguqulela i-Ku Band 10.7GHz~12.75GHz RF noma i-C Band engu-3.7GHz~4.2GHz RF iye ku-950MHz~2150MHz IF kumamukeli ahlala.Ku-SMATV ngohlelo lwefayibha, isidluliseli esisodwa siguqula i-LNB IF ibe ifayibha.Ngemuva kwe-fiber optic amplifier ne-PON, isignali ye-optic isatshalaliswa kumakhulu noma izinkulungwane zemindeni ye-FTTH.Ekhaya ngalinye elinekhebula le-fiber, isamukeli esisodwa esibonakalayo siguqula i-fiber ibe yi-Sat IF.Okokufaka kwe-Fiber kuphendukela ku-950MHz ~ 2150MHz IF okukhiphayo IF kumamukeli ahlala.

Isamukeli sokubonwa kwesathelayithi sidlala indima efanayo ne-LNB evamile, iyi-LNB "ebonakalayo" ekhaya.Isamukeli esibonakalayo sesathelayithi singabizwa ngokuthi i-Optical LNB noma i-Fiber LNB.

I-LNB evamile ifakwa esitsheni esibheke esibhakabhakeni.I-Optical LNB ifakwa noma yikuphi ekhaya lapho i-fiber itholakala khona.Okuqukethwe kwe-LNB eyodwa evamile kungaphinda kukhiqizwe kufikela ku-500K optical LNBs.

I-LNB evamile ine-polarities eqondile noma evundlile (13V/18V) kanye nebhendi ephakeme noma ibhendi ephansi (0Hz noma 22KHz).Ngobuchwepheshe be-CWDM/DWDM, i-Optical LNB ingaba nomsebenzi ofanayo wembobo ye-RF kusuka ku-SM fiber eyodwa.

I-GLB2000A inenketho engu-1310nm/1490nm WDM yokusebenzisana ne-GPON/EPON ONU kunoma yisiphi isimo se-FTTH, esivumela ukufaka i-DTT+SAT phezu kwenethiwekhi ye-GPON/EPON.

Ezinye izici:

Izindlu zepulasitiki eziqinile ezibuyisela amalangabi.

I-High Linearity Photodiode.

Okokufaka kwefayibha ye-SC/APC.

Ibanga le-Optical AGC: -6dBm ~ +1dBm.

Umkhawulokudonsa we-RF Sat: 950MHz~2150MHz.

I-Terrestrial TV RF Ububanzi: 174~806MHz.

I-Terrestrial TV + Evundlile (LHCP)@18V DC frumamukeli wesathelayithi..

I-Terrestrial TV + Imile (RHCP)@13V DC evela kumamukeli wesathelayithi.

Imbobo ye-WDM eyinketho eya ku-GPON ONU.


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