Table of contents
98-145168-A vii
Chapter 6 Verification
6.1 Basic check flow ................................................................................................................6-1
6.1.1 Check procedures ...............................................................................................................6-1
6.2 Pre-Installation Check ..................................................................................................6-2
6.3 Functional Test, on Ground ......................................................................................6-3
6.3.1 Before you start ...................................................................................................................6-3
6.3.2 Check list for functional test on ground ..................................................................6-3
6.4 Interference Test .............................................................................................................6-4
6.4.1 Introduction ..........................................................................................................................6-4
6.4.2 Test procedure .....................................................................................................................6-4
6.5 Functional test, airborne ............................................................................................6-5
6.5.1 Before you start ...................................................................................................................6-5
6.5.2 Check list for functional test, airborne ......................................................................6-5
Chapter 7 Maintenance and troubleshooting
7.1 Continued Airworthiness ............................................................................................7-1
7.1.1 General .....................................................................................................................................7-1
7.1.2 Maintenance instructions ...............................................................................................7-2
7.2 Helpdesk ..................................................................................................................................7-4
7.2.1 System support ....................................................................................................................7-4
7.2.2 Security log and system log files .................................................................................7-4
7.3 Software update ................................................................................................................7-5
7.4 To exchange an LRU ......................................................................................................7-5
7.4.1 Time required ........................................................................................................................7-5
7.4.2 Tools required .......................................................................................................................7-5
7.4.3 Removal and re-installation of the CSDU (SDU-5045) .....................................7-5
7.4.4 Re-installation of the CSDU (SDU-5045) ................................................................7-5
7.4.5 Removal and re-installation of the SCM (SCM-5055) .......................................7-6
7.4.6 Removal and re-installation of the HELGA (LGA-5005) ....................................7-6
7.5 Troubleshooting ................................................................................................................7-7
7.5.1 Status signalling ...................................................................................................................7-7
7.5.2 Status signalling with LEDs .............................................................................................7-8
7.5.3 Initial troubleshooting ......................................................................................................7-9
7.6 Returning units for repair ........................................................................................7-10
7.6.1 Repackaging requirements ..........................................................................................7-10
7.7 Disposal of electrical and electronic equipment ..................................7-11
Appendix A Equipment specifications
A.1 Introduction .........................................................................................................................A-1
A.2 SDU-5045 Compact Satellite Data Unit .........................................................A-2
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