Aeroflex 2050T SERIES Specifikace stáhnout pdf (Strana 2)

Introduction

TETRA is a complex system with many features and a high degree

of customisation to suit the requirements of individual networks

and groups of end users. The IFR 2968 is therefore a complex

product providing configuration to match the mobiles and base

stations under test and supporting the diversity of features and

operational behaviour. Inevitably the IFR 2968 requires some user

familiarisation and experience in order to achieve the greatest

benefit from it. Further, since TETRA is a relatively new system,

some of the test methods and TETRA terminology may be unfa-

miliar to new users. This application note aims to distil IFR's prac-

tical experience with testing TETRA mobiles and base stations to

assist IFR 2968 customers. Note that the term 'mobile' is used as

a generic term throughout this application note to mean a radio

terminal, whether vehicle mounted or hand portable.

This application note contains details and examples of certain

procedures, but it is not a substitute for the IFR 2968 operating

manuals. You should ensure that you have obtained and read the

latest versions of these manuals relevant to the software version

in your IFR 2968. For full operating details please refer to the fol-

lowing publications - these are the latest versions and are relevant

to the latest Phase 3.2 software in the IFR 2968:

• 46882/324 IFR 2968 Phase 3.2 Operating Manual

TETRA Supplement, Issue 10

• 46882/274 IFR 2965A/2966A/2967/2968 Operating

Manual, Issue 13

• 46882/280 IFR 2965A/2966A/2967/2968 Program-

ming Manual, Issue 12

Note: where references are made to specific numbered pages in

these manuals, these apply to the printed versions. Electronic ver-

sions on CD-ROM may have slightly different page numbering.

Validity of information

The information given in this application note is given in good faith

and was believed to be correct at the time of publication, August

2002. However, this information is likely to be subject to change

over time as the TETRA standard continues to develop and net-

works and equipment become more mature. You are advised to

periodically check our web site www.aeroflex.com for updated

information. Your assistance in informing Aeroflex of any correc-

tions, updates or additional questions would be much appreciat-

ed (mailto:info-test@aeroflex.com).

Index to questions

Questions and answers are in the following categories:

Section 1: IFR 2968 versions and options

Section 2: Testing mobile and base station transmitters

Section 3: Testing mobile and base station receivers

Section 4: Testing the audio performance of TETRA mobiles

Section 5: Functional testing of TETRA mobiles

Section 6: Compatibility with TETRA mobiles and networks

Section 7: Signalling and protocol operations

Section 8: Testing mobiles with encryption and authentication

Section 9: Miscellaneous functions

Use the index of questions below to determine whether your

question is covered, then find the answer in the numbered

Questions and Answers section.

Section 1 Questions: IFR 2968 versions and options

Q1.1: What is the current software version for the IFR 2968? How

do I determine whether an IFR 2968 is fitted with the latest

software?

Q1.2: My IFR 2968 does not have the latest software version.

Can it be upgraded, and is there a charge for this?

Q1.3: Do I have to return the IFR 2968 to Aeroflex for the soft-

ware upgrade?

Q1.4: Is there a new version of the 2968 operating manual for

the Phase 3.2 upgrade?

Q1.5: What are the new functions in the Phase 3.2 software?

Q1.6: My IFR 2968 still has old Phase 2 software. What func-

tionality will I gain by purchasing the "2968 PHASE 3"

option?

Q1.7: What functionality will I gain by purchasing Option 32

TETRA Direct Mode?

Q1.8: Does Option 32 TETRA Direct Mode test any signalling

functions?

Q1.9: Can the IFR 2968 also set up a call to a Direct Mode

mobile?

Q1.10: Can I purchase an IFR 2968 with only one of the TETRA

system options initially and add other options at a later

date?

Q1.11: Can I purchase an IFR 2968 with none of the TETRA sys-

tem options initially and add one or more TETRA options

at a later date?

Q1.12: Can I purchase an IFR 2968 with Option 32 TETRA DM

and add Option 30 TETRA MS at a later date?

Q1.13: Does the IFR 2968 have an option for 800 MHz TETRA

systems?

Q1.14: Does the IFR 2968 have a DC supply or battery pack

option?

Q1.15: Does the IFR 2968 include automatic testing?

Q1.16: Can the IFR 2968 test other radio systems besides

TETRA?

Q1.17: Does the IFR 2968 support Tetrapol?

Q1.18: Can the IFR 2968 test US PMR/PAMR/SMR systems such

as P25, EDACS, iDEN?

Q1.19: Can I have a 2965A, 2966A or 2967 upgraded to a

2968?

Q1.20: Is there an IFR TETRA Test SIM available, as there is for

GSM?

Q1.21: Does IFR supply cables, connectors and adaptors for con-

necting to TETRA mobiles?

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