Specifications

Section-3 Operation
October 17, 2013
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3.8.11 StatusScreens‐DVB‐T2Modulation
Figure 3-84 LPU DVB-T2 Status Screen 1
Table3‐81XmtrHome>ExciterHome>Status>DVB‐T2Modulator(screen1)
Field Explanation
ActiveStr
eam DisplaysActiveTransportstream.
ASIInp
ut IftheASIinputispresentwithnoerrors,agreenboxwiththewordPRESappearsunder
thelabel.Theareaunderthelabelremainsbluewith‐‐ifinputisabsent.
Bitrate(Mb/
s) DisplaystotaltransportstreambitrateforeachASIinput.
SwitchEl
apsedTime(s) Displaystimeelapsedsinceswitchover.
SwitchC
ount Displaysthenumberofswitchoverssincelastreset.
TimestampTy
pe IndicatesmechanismforsynchronizingoutputoftransmitterssignaledbyT2gateway(see
TS102773section5.2.7).OnlyrequiredinT2MImode.
Relative=time
stamponlycontainstimeofemissionrelativetonext1PPS(subseconds)
Absolute=timestampincludesabsolutetimeofemission
Null=timestamppacketdetected,butnotimingalignmentrequired
N/ A=notimestamppacketrequired/detected(MPEG‐TSmode)
ProcessingTi
me Internalprocessingdelayofmodulator.ThisvalueisusedinplanningofSFNnetwork
timing.ProcessingtimeisdelayfromreceptionofL1packet(endofT2frame)attransport
inputtoI/QdatareadyintoSFNdelaymemory.