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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Appendix 6 – Special Operational Modes 315

Appendix 6: Streaming and Special Operational Modes



TheZephyrXstreamoffersseveralspecialmodesthat,whenselected,changeitsfunctionality,

aswellasits"personality".

Ethernet(IP)modesallowstransmissionandreceptionofaudiostreamsoverIPnetworks.Ideal

forcasualmonitoring,oraudiodistributionoverspeciallymanagedIPnetworks.Operationover

xDSLorotherIPbasednetworksispossibleinthismo

de.ErrorconcealmentisprovidedinAAC

mode.

V.35Singlemodeallowshigh‐bitrateoperationoversynchronousdatatransportmechanisms

includingT1(E1)andfractionalT1(E1).

Wehavedeliberatelyseparatedthesetwomodesasthecorrectsettingsfortheseapplications

(InternetstreamingversusrealtimeaudiotransmissionoverISDNversushigh‐s

peed

synchronousdatachannels)aredifferent,andwethoughtthatitwouldaddunnecessary

confusiontolistalloptionswhenanumberwouldnotbeusefulforagivensituation.

ETHERNET MODES

TheZephyrXstream'sEthernetmodeisusedtogeneratestreamingMP3orAACfeeds.The

Xstreamsu

pportsUnicastoperationonly,howeverdependingonthebitrate,multiplestreams

arepermitted.

ThismodeisselectedbychangingtheInterfaceselectioninthethirdTELmenutoEthernet(SIP),

orEthernet(RTP).MakingthischangewillchangetheoptionsfortheCODECmenu.TheDial

screenandfirstTELscreenwillalsochan

ge,showingstatusoftheStreamingIPconnections.

THE CODEC MENU IN ETHERNET MODE

TheCodecmenuswillbedifferentfromthoseshownelsewhereinthismanualwhenthe

Interfaceselection(inthe3rdTELmenu)hasbeensettoEthernet.

CODEC- Screen 1 (Status)

This screen shows the encoding algorithm, bit rate, mode (mono or stereo) and sample rate currently being

used for encoding. These items will be optimized for the bit rate selected (see below)

CODEC – Screen 2

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