Table of contents
98-141779-G xi
Appendix C Ground and RF protection
C.1 Why is a ground connection required? ............................................................C-1
C.1.1 Safety ........................................................................................................................................C-1
C.1.2 ESD Protection .....................................................................................................................C-1
C.2 Recommendations ...........................................................................................................C-1
C.2.1 To ground the ACU ............................................................................................................C-1
C.2.2 To ground the ADU ............................................................................................................C-3
C.3 Alternative ground for steel hulls ........................................................................C-4
C.3.1 To ground the ACU ............................................................................................................C-4
C.3.2 To ground the ADU ............................................................................................................C-4
C.4 Alternative ground for aluminum hulls ...........................................................C-6
C.4.1 To ground the ACU ............................................................................................................C-6
C.4.2 To ground the ADU ............................................................................................................C-6
C.5 Alternative ground for fibre glass hulls ...........................................................C-8
C.5.1 To ground the ACU ............................................................................................................C-8
C.5.2 To ground the ADU ............................................................................................................C-8
C.6 Separate ground cable ..................................................................................................C-9
C.6.1 To make a ground cable ...................................................................................................C-9
C.6.2 Ground cable - connection .............................................................................................C-9
C.6.3 Isolation of the ADU from the mounting base ..................................................C-10
C.7 RF interference ................................................................................................................C-11
C.8 Jumper cable for grounding ...................................................................................C-12
Appendix D System messages
D.1 Event messages – overview ..................................................................................... D-1
D.2 List of events ...................................................................................................................... D-2