Zte ZXR10 2918E User Manual

Chapter4ServiceConguration
Figure4-40TangentRingDesignFigure
AsshowninFigure4-40,theringcomposedbyS1,S2,S3andtheringcomposedby
S3,S4,S5aretangentatS3.Thetworingsbelongtodifferentareas,buttheyprotect
thesameprotectedvlans.
lZESRLinkhelloFunction
TheZESRprotocolofZXR102900EaddstheLinkhellointeractingprotocolbetween
adjacentnodes.Itisusedtodetectthelinkfaultssuchaslinkmonologueandlink
acrosstransmissionequipment.Linkhellointeractionisonlyusedforadjacentnodes
andhasnothingtodowithZESRnodetypeandnetworkform.
WhenLinkhellomechanismisadded,therearetwowaystodetectlinkstate:one
istodetectthephysicalstateoflink,anotheristosendLinkhelloframedetection
betweenthetwoadjacentnodesoftheloop.Onlywhenbothstateareup,thelinkis
up.Otherwisethelinkisdown.
4-99
SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandCondential

Zte ZXR10 2918E Specifications

General

VLANs	4K
Jumbo Frame	9K
Power Supply	AC: 100~240V, 50~60Hz
Operating Temperature	0°C~45°C
Storage Temperature	-40°C~70°C
Operating Humidity	10% to 90% non-condensing
Storage Humidity	5%~95% (non-condensing)
Power Consumption	<=25W