Isebenza kanjani i-ONU

I-ONU ihlukaniswe yaba iyunithi yenethiwekhi ye-optical esebenzayo kanye neyunithi yenethiwekhi ye-passive optical.
Ngokuvamile, okokusebenza okufakwe izamukeli zamehlo, ama-uplink optical transmitters, nama-amplifiers amaningi amabhuloho okuqapha inethiwekhi kubizwa ngokuthi i-optical node.

Umsebenzi we-ONU
1. Khetha ukuthola idatha yokusakaza ethunyelwa yi-OLT;
2. Phendula emiyalweni ehlukanisiwe neyokulawula amandla ekhishwe yi-OLT;futhi wenze izinguquko ezihambisanayo;
3. Gcina idatha ye-Ethernet yomsebenzisi bese uyithumela endaweni ekhuphuka nomfula ewindini lokuthumela elinikezwe i-OLT.
Ihambisana ngokugcwele ne-IEEE 802.3/802.3ah
Thola ukuzwela kufika ku -25.5dBm
Dlulisa amandla aze afike ku--1 ukuya ku-+4dBm
I-optical fiber eyodwa ihlinzeka ngezinsizakalo ezifana nedatha, i-IPTV, nezwi, futhi ibona ngempela izinhlelo zokusebenza "zokudlala kathathu".
·Izinga eliphakeme kakhulu le-PON: idatha ye-uplink ne-downlink symmetrical 1Gb/s, izwi le-VoIP namasevisi wevidiyo ye-IP.i
I-ONU “plug and play” esekelwe ekutholeni okuzenzakalelayo nokucushwa
Izici Zekhwalithi Ethuthukisiwe Yesevisi (i-QoS) ezisuselwe ekukhokheni Kwesivumelwano Sezinga Lesevisi (i-SLA).
Amandla okuphatha akude asekelwa imisebenzi ye-OAM ecebile nenamandla
Ukuthola ukukhanya okuzwelayo okuphezulu kanye nokusetshenziswa kwamandla okukhanya okokufaka okuphansi
Sekela umsebenzi we-Diing Gasp
Iyunithi yenethiwekhi yokubona esebenzayo
Iyunithi yenethiwekhi ye-optical esebenzayo isetshenziswa kakhulu ekuhlanganisweni kwamanethiwekhi amathathu.Ihlanganisa i-CATV egcwele-band RF okukhiphayo;izinga eliphezulu lomsindo we-VOIP;imodi yomzila enezendlalelo ezintathu, ukufinyelela okungenantambo kanye neminye imisebenzi, futhi ibona kalula ukufinyelela kwemishini yokugcina yokuhlanganisa kathathu kwenethiwekhi.
Iyunithi ye-Passive Optical Network
Iyunithi yenethiwekhi ye-passive optical iyisisetshenziswa eseceleni somsebenzisi sesistimu ye-GPON (Gigabit Passive Optical Network), futhi isetshenziselwa ukunqamula izinsiza ezidluliselwa ku-OLT (Optical Line Terminal) nge-PON (Passive Optical Network).Ukusebenzisana ne-OLT, i-ONU ingahlinzeka ngezinsizakalo ezihlukahlukene ze-broadband kubasebenzisi abaxhunyiwe.Okufana nokusefa kwi-inthanethi, i-VoIP, i-HDTV, inkomfa yevidiyo nezinye izinsiza.Njengedivayisi ehlangothini lomsebenzisi yohlelo lokusebenza lwe-FTTx, i-ONU iyisisetshenziswa esigcina umkhawulokudonsa esiphezulu futhi esingabizi kakhulu esidingekayo ukuze siguqulwe sisuka “enkathini yekhebula yethusi” siye “enkathini yefiber optical”.Njengesixazululo sokugcina sokufinyelela kwezintambo zabasebenzisi, i-GPON ONU izobamba iqhaza eliwujuqu ekwakhiweni kwenethiwekhi kukonke kwe-NGN (Next Generation Network) esikhathini esizayo.
I-HG911 ONU iyisisetshenziswa esibulalayo somsebenzisi esingabizi kakhulu sohlelo lwe-xPON.Yenzelwe abasebenzisi basekhaya kanye nabasebenzisi be-SOHO, ihlinzeka ngokuxhumeka kwe-gigabit-speed broadband kumasango abasebenzisi kanye/noma ama-PC.I-ONU inikeza imbobo eyodwa ye-1000Base-T Ethernet yedatha namasevisi evidiyo e-IPTV.Ingalungiselelwa ukude futhi iphathwe yi-HUANET series optical line terminal (OLT).
Izinhlelo zokusebenza
Umfula okhuphukayo we-ONU uxhuma ehhovisi elimaphakathi (CO) ngembobo ye-xPON, futhi indlela yokuziphatha ezansi nomfula inikeza imbobo ye-Gigabit Ethernet yabasebenzisi ngabanye noma abasebenzisi be-SOHO.Njengesixazululo sesikhathi esizayo se-FTTx, i-ONU 1001i inikeza izwi elinamandla, idatha yesivinini esikhulu kanye nezinsizakalo zevidiyo ngefayibha eyodwa ye-GEPON.