
Page 5-28 G1000 System Maintenance Manual – Diamond DA40/40F
Revision G 190-00545-01
GEA Redundant Path Description:
The GEA 71 Engine/Airframe Unit utilizes two backup paths to preserve communications with the
G1000. The primary data path is from the GEA through GIA1 to the PFD, where it is then cross-filled to
the MFD. The secondary backup path is through GIA2 into the MFD.
ETHERNET
ETHERNET
ETHERNET
ETHERNET
RS-485
Primary Data Path
Secondary Data Path
GEA 71
GEA 71
GDU 1040
PFD
No. 1
GIA 63
GDU 1040
MFD
GDU 1040
PFD
GDU 1040
MFD
No. 2
GIA 63
RS-485
Figure 5-10. GEA 71 Data Paths
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