SharkRF openSPOT2 - Using a C4 FM Connector with an NXDN Radio; Using a C4 FM Connector with a P25 Radio

UsingaC4FMconnectorwithanNXDNradio
Afteryou'veactivatedtheC4FMconnector,switchthemodemtoNXDNmode.OnlycallsinDN(DigitalNarrow)
modewillbeconvertedtoyourNXDNradio,ifsomeonetransmitsinothermodesontheC4FMnetwork,youwill
hearsilenceonyourNXDNradio.
YouroutgoingcallsignwillbethecallsignassociatedwiththeNXDNsourceID.Ifthere'snocallsignassociatedto
theID,thenthecallsignwillbetheDefaultcallsignforcrossmodecalls.Ifthisisnotset,youroutgoingcallsign
willbeyourradio'sNXDNIDastext.
Anincomingcall'ssourceNXDNIDwillbesettotheIDassociatedwiththesourcecallsign.Ifthere'snoID
associated,andthesourcecallsigncanbeparsedintoanumber,itwillbeusedasthesourceNXDNID.
OtherwisetheDefaultcrossmodesourceIDwillbeused.
AllcallscomingfromtheC4FMnetworkwillbesentasagroupcalltotheDefaultcrossmodedestinationID.If
youdon'thearcallsonyourradiothenmakesurethisIDisintheselectivecalllist(orSelCallisturnedoff),or
it'stheTXcontactofthecurrentchannel.
UsingaC4FMconnectorwithaP25radio
Afteryou'veactivatedtheC4FMconnector,switchthemodemtoP25mode.OnlycallsinVW(VoiceWide)mode
willbeconvertedtoyourP25radio,ifsomeonetransmitsinothermodesontheC4FMnetwork,youwillhear
silenceonyourP25radio.
YouroutgoingcallsignwillbethecallsignassociatedwiththeP25sourceID.Ifthere'snocallsignassociatedto
theID,thenthecallsignwillbetheDefaultcallsignforcrossmodecalls.Ifthisisnotset,youroutgoingcallsign
willbeyourradio'sP25IDastext.
Anincomingcall'ssourceP25IDwillbesettotheIDassociatedwiththesourcecallsign.Ifthere'snoID
associated,andthesourcecallsigncanbeparsedintoanumber,itwillbeusedasthesourceP25ID.Otherwise
theDefaultcrossmodesourceP25IDwillbeused.
AllcallscomingfromtheC4FMnetworkwillbesentasagroupcalltoP25ID9(TG9).MakesureTG9isinthe
selectivecalllistofyourP25radio'scurrentchannel,orSelCallisturnedoff,orTG9issetastheTXcontactfor
thecurrentchannel,otherwisethesquelchwon'topenandyouwon'thearthecalls.
UsinganNXDNconnectorwithaDMRradio
Afteryou'veactivatedtheNXDNconnector,switchthemodemtoDMRmode.
ThesourceNXDNIDofyourDMRcallswillbesettothesamevalueastheDMRcallunlesstheAlwaysusethis
IDincrossmodesettingisenabledfortheDefaultcrossmodesourceIDontheSettingspage,NXDNsettings
section.
YourDMRcallswillbesenttothesameNXDNIDastheDMRcall'sdestinationIDunlesstheAlwaysusethisID
incrossmodesettingisenabledfortheDefaultcrossmodedestinationIDontheSettingspage,NXDNsettings
section,orthedestinationDMRIDisoutoftheNXDNIDrange(0-65535).Inthiscase,theDefaultcrossmode
destinationIDwillbeusedfortheNXDNcall.
ThedestinationandsourceDMRIDsforanincomingNXDNcallwillbesettothesamevalueastheincoming
call'sdestinationandsourceIDunlesstheAlwaysusethisIDincrossmodesettingisenabledforthe
destination/sourceNXDNIDsontheSettingspage,NXDNsettingssection.
MakesurethedestinationIDoftheNXDNcalls(theNXDNtalkgroup)istheTXcontactofyourDMRradio's
currentchannel,orit'sinanRXgrouplistwhichisassignedtothecurrentchannelintheradio,otherwisethe
squelchwon'topenandyouwon'thearthecalls.
Crossmodemmodes
95