GLB2000A-K Terr TV ati Fiber Optic Twin LNB

Awọn ẹya:

Iwapọ ṣiṣu ina retarding ile.

Ibiti opitika AGC: -6dBm ~ +1dBm.

Ijade Terr TV + Petele (LHCP) @ 18V lati joko STB.

Ijade Terr TV + inaro (RHCP) @ 13V lati joko STB.

Agbara nipasẹ satẹlaiti STB.

Nṣiṣẹ pẹlu GLB3500A-2T Atagba.

Aṣayan: WDM ibudo si GPON tabi XGPON ONU.

Aṣayan: atilẹyin 4 satẹlaiti STBs.


Apejuwe ọja

ọja Apejuwe

GLB2000A satẹlaiti TV FTTH opitika LNB iyipada ifihan agbara opitika si meji polarities RF fun ọkan satẹlaiti olugba.Nṣiṣẹ pẹlu Greatway GLB3500A-2T satẹlaiti TV fiber optic transmitter, GLB2000A ṣe agbejade didara giga ti Terrestrial TV+ Inaro/Ifihan RF petele.LNB ftth yii le yipada inaro (tabi RHCP) tabi petele (tabi LHCP) ifihan agbara jade nipasẹ agbara 13V tabi 18V DC lati ọdọ olugba satẹlaiti.

Deede LNB jẹ Low Noise Block, iyipada Ku Band 10.7GHz ~ 12.75GHz RF tabi C Band 3.7GHz~4.2GHz RF to 950MHz ~ 2150MHz IF fun sat olugba.Ni SMTV lori eto okun, atagba kan yipada LNB IF si okun.Lẹhin ampilifaya fiber optic ati PON, ifihan agbara opitiki ti pin si awọn ọgọọgọrun tabi ẹgbẹẹgbẹrun awọn idile FTTH.Ni ile kọọkan pẹlu okun okun, ọkan opitika olugba iyipada okun si Sat IF.Iṣagbewọle Fiber yipada si 950MHz ~ 2150MHz IF iṣẹjade fun olugba sat.

• Satẹlaiti opitika olugba yoo ni ipa kanna bi LNB deede, o jẹ "foju" LNB ni ile.Satẹlaiti opitika olugba le ti wa ni a npe ni Optical LNB tabi Fiber LNB.
• LNB deede ti fi sori ẹrọ ni satelaiti ti nkọju si ọrun.Opitika LNB ti fi sori ẹrọ nibikibi ni ile nibiti okun wa.Awọn akoonu ti LNB deede kan le tun ṣejade to awọn LNB opitika 500K
• LNB deede ni inaro tabi petele polarities (13V/18V) ati iye ti o ga tabi iye kekere (0Hz tabi 22KHz).Nipasẹ imọ-ẹrọ CWDM/DWDM, LNB opitika le ni iṣẹ RF ibudo kanna lati okun SM kan.

Deede LNB jẹ Low Noise Block, iyipada Ku Band 10.7GHz ~ 12.75GHz RF tabi C Band 3.7GHz~4.2GHz RF to 950MHz ~ 2150MHz IF fun sat olugba.Ni SMTV lori eto okun, atagba kan yipada LNB IF si okun.Lẹhin ampilifaya fiber optic ati PON, ifihan agbara opitiki ti pin si awọn ọgọọgọrun tabi ẹgbẹẹgbẹrun awọn idile FTTH.Ni ile kọọkan pẹlu okun okun, ọkan opitika olugba iyipada okun si Sat IF.Iṣagbewọle Fiber yipada si 950MHz ~ 2150MHz IF iṣẹjade fun olugba sat.

Satẹlaiti opitika olugba yoo kanna ipa bi deede LNB, o jẹ a "foju" LNB ni ile.Satẹlaiti opitika olugba le ti wa ni a npe ni Optical LNB tabi Fiber LNB.

LNB deede ti fi sori ẹrọ ni satelaiti ti nkọju si ọrun.Opitika LNB ti fi sori ẹrọ nibikibi ni ile nibiti okun wa.Awọn akoonu ti LNB deede kan le tun ṣejade to awọn LNB opitika 500K.

LNB deede ni inaro tabi petele polarities (13V/18V) ati iye ti o ga tabi iye kekere (0Hz tabi 22KHz).Nipasẹ imọ-ẹrọ CWDM/DWDM, LNB opitika le ni iṣẹ RF ibudo kanna lati okun SM kan.

GLB2000A ni 1310nm/1490nm WDM aṣayan fun ifowosowopo pẹlu GPON/EPON ONU ni eyikeyi FTTH nla, eyi ti o jeki fifi DTT+SAT lori GPON/EPON nẹtiwọki.

Awọn ẹya miiran:

Iwapọ ṣiṣu ina retarding ile.

Photodiode Linearity giga.

SC / APC okun igbewọle.

Ibiti opitika AGC: -6dBm ~ +1dBm.

Bandiwidi RF Sat: 950MHz ~ 2150MHz.

Bandiwidi TV RF ori ilẹ: 174 ~ 806MHz.

Terrestrial TV + Petele (LHCP)@18V DC from satẹlaiti olugba ..

Terrestrial TV + inaro (RHCP)@13V DC lati satẹlaiti olugba.

Iyan WDM ibudo to GPON ONU.


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