Zte ZXR10 2900 Series - VBAS Configuration Example; Epon; EPON Overview

ZXR102900SeriesUserManual
VBASConfigurationExample
Asshownin“VBASTypicalNetwork”,thisexampledescribeshow
tosettrustportofswitchAasport1,cascadeportasport2,trust
portofswitchBasport1.
CongurationofswitchA:
zte(cfg)#setvbasen
zte(cfg)#setvbastrust_port1en
zte(cfg)#setvbascascade_port2en
zte(cfg)#showvbas
vbas:enabled
trustport:1
cascadeport:2
CongurationofswitchB:
zte(cfg)#setvbasenable
zte(cfg)#setvbastrust-port1enable
zte(cfg)#showvbas
vbas:enabled
trustport:1
cascadeport:none
EPON
EPONOverview
TheDevelopment
ofPON
Withthedevelopmentofnetworktechnology,thespeedofback-
bonenetworkandLANisimprovedgreatly.Thelastonemileis
thebridgebetweenthenetworkandfamilyuser ,andnowitisthe
bottlenecktolimitthenetworkdevelopment.
TheformeraccessingtechnologiessuchasT1/E1orSONET/SDH
costtoomuch,andopticalaccessingtechnologiessuchasCable
Modemrequireshighcostofnetworkconstructing,wirelessac-
cessingtechnologyisrestrictedbyenvironmentandsecurityand
isnoteasytolaunch.
PassiveOpticalNetwork(PON)isanaccessingtechnology,which
guaranteestheusertoobtainenoughaccessingbandwidthand
controlsthenetworkconstructioncosteffectively.
PONOverview
Opticalaccessincludestwotypes:
�ActiveOpticalNetwork(AON)
�PassiveOpticalNetwork(PON)
PONisapurephysicalmedianetwork,theactivedeviceisnot
requiredbetweenthecentralofceendandterminal,whichef-
fectivelyavoidselectromagneticinterferenceofperipheralequip-
ments,reducesthefailurerateoflinesanddevices,improvesthe
systemreliabilityandsavesthemaintenancecost.
PONistransparenttoservices,soitisapplicabletoprocess
thesignalwithmanymodesandrates.APON/BPON,GPON
138CondentialandProprietaryInformationofZTECORPORATION