
Table of contents
viii
Chapter 7 Service
7.1 To get support .......................................................................................7-2
7.1.1 Options for support ................................................................................7-2
7.1.2 Reset to factory default ..........................................................................7-5
7.1.3 Reset to factory default - GMU .............................................................7-6
7.1.4 Line up procedure ..................................................................................7-6
7.1.5 Self test ..................................................................................................7-8
7.2 Software update ....................................................................................7-9
7.2.1 Prerequisites ..........................................................................................7-9
7.2.2 Software update (ADU, ACU) ..............................................................7-9
7.2.3 Software update (GMU) .....................................................................7-11
7.3 Satellite profiles and VSAT modem profiles ....................................7-12
7.3.1 Satellite profiles ..................................................................................7-12
7.3.2 Modem profiles ...................................................................................7-13
7.4 Status signalling with LEDs and status messages ............................7-15
7.4.1 LEDs of the ADU modules .................................................................7-15
7.4.2 LEDs in the ACU ................................................................................7-16
7.4.3 LEDs of the GMU ...............................................................................7-16
7.5 Removal and replacement of the ACU and GMU ...........................7-17
7.6 Removal and replacement of ADU modules .....................................7-17
7.7 Troubleshooting ..................................................................................7-20
7.7.1 Overview .............................................................................................7-20
7.7.2 Event list for troubleshooting .............................................................7-20
7.7.3 Diagnostics report for troubleshooting ...............................................7-20
7.8 To return units for repair ...................................................................7-20
Appendix A Ground and RF protection
A.1 Why is a ground connection required? .............................................. A-1
A.1.1 Safety ................................................................................................... A-1
A.1.2 ESD Protection .................................................................................... A-1
A.2 Recommendations ................................................................................A-1
A.2.1 To ground the ACU ............................................................................. A-1
A.2.2 To ground the ADU ............................................................................. A-3
A.3 Alternative ground for steel hulls ....................................................... A-3
A.3.1 To ground the ACU ............................................................................. A-3
A.3.2 To ground the ADU ............................................................................. A-4
A.4 Alternative ground for aluminum hulls ............................................. A-6
A.4.1 To ground the ACU ............................................................................. A-6
A.4.2 To ground the ADU ............................................................................. A-6