Int Ro D Uc T Ion - Aeroflex 3900 Series Option Manual

I n tr o d u c ti o n
TET RA DM ( Dir ect Mode ) is an op tional TET RA syst em that provi des feat ures f or t esting T ETR A Mob ile
to Mo bile f unctio nality. T he T est S et f unctio ns as t he Mast er when a C all Mobile reque st is initia ted
fr om the Operat ions/S tat us Ti
Master . When the system is oper ating in Quie t S tat e, no acti ons ar e pe rfor med ( i.e. , r egist rati on, group
att achment or sy n c hroniza tion) .
The TET RA D M Syste m pro vi des th e fo llow ing t est cap abilit ies:
Mobile to mob ile t ests.
Tra nsmitte r measu rement s (po wer , mod ulatio n accur acy, f requ ency er ror ).
Graphi cal displ ays of modulat ion, tra jector y, con stellat ion a nd pow er re adings.
Hist ory log of act ivity be tw een mobi le and Test Se t.
C o nt en t s
This chapter descr ibes T ETR A DM TES T a nd C onfig urat ion T iles.
Chapter 9
T ETR A D M Sy stem
le. When a call is ini tiat ed by the Mo bile, the mobile opera tes as the
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