User's Guide

Chapter1SafetyPrecautions
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
lThisdevicemaynotcauseharmfulinterference.
lThisdevicemustacceptanyinterferencereceived,includinginterferencethatmay
causeundesiredoperation.
Caution!
Anychangesormodicationsnotexpresslyapprovedbythepartyresponsiblefor
compliancecouldvoidtheuser'sauthoritytooperatetheequipment.
Router
Instructions
The precautions that should be taken when routers are used in a videoconferencing system
are as follows:
lUseenterprise-levelswitchesandrouters.
lDonotuseahub.
lTheroutersmustsupporttheQoSprotocolandalgorithm.Ifnot,upgradethesoftware.
lSetQoSparametersontherouters.SetQoSparametersforvideoservicesand
commonservicesontherouters,sothatvideodatapacketsarenotdiscardedupon
networkcongestion.
lUseasfewrouterhopsaspossible.Videodevicesshouldbeconnectedtothemain
switchifpossible.Reducethenumberoftherouterhopstoavoidtoomuchnetwork
transmission,whichmayaffectvideotransmission.
lUsedifferentVLANstoseparatethevideoconferencingservicefromotherservices.
lWhenthenetworkisblocked,usethebufferqueuetechnologyastherstprevention
method.Largecachesarepreferred.Allocateanindependentcacheforeachport.
1-3
SJ-20190419091840-001|2019-04-08(R1.0)ZTEProprietaryandCondential
This device complies with FCC radiation exposure limits set forth for an uncontrolled
environment and it also complies with Part 15 of the FCC RF Rules. This equipment
must be installed and operated in accordance with provided instructions and the
antenna(s) used for this transmitter must be installed to provide a separation
distance of at least 20 cm from all persons and must not be co-located or operating
in conjunction with any other antenna or transmitter. End-users and installers must
be provide with antenna installation instructions and consider removing the
no-collocation statement.