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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Appendix 6 – Special Operational Modes 323

V.35 SINGLE Mode (high speed V.35/X.21 synchronous operation)

ThemenusandoperationoftheXstreamwhenusingtheV.35SplitsettingoftheInterface

selectioninthethirdTELmenuareidenticaltothoseforISDNoptionforthatparameter.Thisis

documentedinthemainbodyofthismanual.

WhenV.35SinglemodeissetforInterfaceselectioninthethirdTE

Lmenu,certainmenus

change.Wewilldocumentthosesettingshere.

TheV.35Singlemodeisappropriateforsituationswhereasinglesynchronousnetwork

connectionat96,112,128,256,or368kbpsisavailableviaaV.35orX.21interface.

w

HOT TIP!

Layer 3 offers operation at 112, 128, and 256 kbps only. This is because at 384 kbps Layer 2

or AAC is preferred over Layer 3.

96 kbps operation is offered only in AAC.

CODEC MENU in

V.35 Single

mode

Transmit:

TheTransmitsettingdetermineswhatstandard(i.e.Algorithm)isusedtoencodetheaudioto

besenttothefarend.IdenticalaudiostreamswillbeoutputfrombothV.35/X.21port.Each

modeoffersdistinctadvantagesanddisadvantages(seesection6.2foradditionalinformation),

asfollows:

L3StereoandL3J‐St

ereo

L3Stereoisappropriateforsituationswheretheaudiotransmittedwillbe

subjecttoplaybackoverSurroundSoundsystems(i.e.mostlyforTelevision).In

mostotherscenariosJ‐Stereoispreferred.

Offers15kHzaudiofrequencyresponseiftheSampleRateissetto32,or20

kHzaudiofre

quencyresponseiftheSampleRateissetto48kHz.

L3Mono

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