Aeroflex 2050T SERIES Dokumentacja Strona 1

For the very latest specifications visit www.aeroflex.comApplicationNoteThe IFR 2968 TETRA Radio Test Set is the industry standardfor testing TETRA mo

erence sensitivity level (-112 dBm) with a correctly functioningmobile.TETRA mobiles need to be able to receive a signal from the basestation (te

For the very latest specifications visit www.aeroflex.com34 and 35 for details of testing receiver sensitivity using audioSINAD.QQ33..99::What is

channel type 8 (SCH/F) in frame 18 in timeslot 1. It does not gen-erate an uplink T1 type 8 (SCH/F) signal in frames 1 to 17 for test-ing base station

For the very latest specifications visit www.aeroflex.comAfter you have set the 2968 correctly for the required uplinkscrambling, it may be nec

formance is poor.QQ44..44::What is the IFR 2968 generating when it is set to 'testtone'?AA44..44::It is generating a TETRA encoded

For the very latest specifications visit www.aeroflex.comparameter is used in autotest to determine the BER /RBER / MER limits to be applied to

AA55..1166::TETRA mobiles can only make and receive group calls toor from groups that they have successfully attached to the net-work. Normally

For the very latest specifications visit www.aeroflex.comQQ66..55::The essential network parameters have been set correctlybut the mobile still does n

Firstly, use the 2968 in base station test mode ([SYSTEM] [TETRAbase], requires Option 31 TETRA BS) to determine the frequencyof the base station. Sel

For the very latest specifications visit www.aeroflex.com0 HzTherefore channel plan = TETRA 800+0 MS (zero offset), chan-nel = 2697Note: the ETSI numb

IntroductionTETRA is a complex system with many features and a high degreeof customisation to suit the requirements of individual networksand groups

LOG in 'view all layers' mode since these messages only appearat MAC and MLE layers. For information on the SYSINFO andSYNC paramete

For the very latest specifications visit www.aeroflex.comthe necessary security measures associated with handling theauthentication keys and algo

QQ99..66::Why doesn't the store / recall facility work when I try tostore /recall TETRA settings?AA99..66::The IFR 2968 store/recall facilit

For the very latest specifications visit www.aeroflex.com

Part No. 46891/911, Issue 2, 11/03CHINATel: [+86] (21) 6282 8001Fax: [+86] (21) 6282 8002EUROPETel: [+44] (0) 1438 742200Fax: [+44] (0) 1438 727601FRA

For the very latest specifications visit www.aeroflex.comSection 2 Questions: Testing mobile and base station transmittersQ2.1: How do I use the 296

Phase 3.2 software?Q5.9: Why has the AUTORUN PARAMETERS menu changed inthe Phase 3.2 software?Q5.10: Why is 'TEST MODE REGISTRATION' no

For the very latest specifications visit www.aeroflex.comQ9.4: Can the IFR 2968 test other base station componentsbesides the transceiver?Q9.5:

• Multiple Group Attachments, group detachment andgroup modification fully displayed• Configurable Trunking Timers and Call Timers• DTMF digits d

For the very latest specifications visit www.aeroflex.comIFR 2968 + Option 30 TETRA MS + Option 31 TETRA BSIFR 2968 + Option 30 TETRA MSIFR 2968 + Opt

Level, and by two of the parameters in the 2968 SYSTEM PARA-METERS menu, "ACCESS PARAMETER" and "MAX TX LEVEL".The calculation is

For the very latest specifications visit www.aeroflex.comthe PTT pressed. If you are testing in Direct Mode, you will not beable to set up a duplex ca