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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Section 8: LIVEWIRE

TM

– IP Audio 148

ThefollowingtableprovidesthesettingspossibleforchoicesLiveClockPriorityandprovides

someinformationoneachofthesesettings:



0(alwaysslave)“STL” UnitwillneverbemasterandisonlyusedwithEthernetradios.

0(alwaysslave) Thisunitwillneverbeusedasclockmaster.

3(default) Theusualanddefaultsettingforan8x8node.

4(SecondaryMaster)

Nodeswiththissettingwillbeusedasclockmastersbefore

thosesetto3.

5(PrimaryMaster)

Nodessettothissettingwillbeusedasclockmastersbefore

thosesetto4.

7(AlwaysMaster)

Thisforcesaparticularnodetobeclockmaster,evenifanother

nodeiscurrentlyclockmaster.Ifthismodebecomesavailable

thentheusualprioritizationisused.

7(AlwaysMaster)“STL

Snake”

Thissettingforcesaparticularnodetobeclockmaster.Use

onlywhentwonodesareconnectedbacktobackwithoutan

EthernetSwitch.



w

IMPORTANT!

OnlyasinglenodeonaLivewirenetworkshouldeverbesetto7(AlwaysMaster).Forthis

reasonwedonotrecommendusingthatselection.



LivewireClockMode

Providedforcompatibilitywitholderrevisions:

IPlowrate(default) –recommendedsetting

Ethernet  –compatiblewith1.xfirmware

IPHighrate  –compatiblewith2.1.xmaster



ReceiveBufferSize

Thissettingdeterminestheamountofbufferinginthereceiver.Bufferingisneededto

compensateforjitterinnetworkpacketdelivery.UsuallythebiggestsourceofjitterisaPCusing

theIPdriver.Real‐timeperformancevariesalotfromonesystemtoanother;somecomputers

canprovideverylowti

mingirregularitiesandallowthereceivebuffertobereducedtoachieve

loweraudiodelay.Thedefaultsettingis100ms.



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