
G1000 System Maintenance Manual – Diamond DA40/40F Page 5-29
190-00545-01 Revision G
GTX Backup Path Description:
The GTX 33 transponder utilizes two backup paths to preserve communications with the G1000. The
primary data path is from the GTX 33 through GIA1 to the PFD. The secondary backup path is through
GIA2 into the MFD. Transponder data is cross-filled to the appropriate display over the HSDB.
ETHERNET
ETHERNET
ETHERNET
ETHERNET
RS-232
Primary Data Path
Secondary Data Path
GTX 33
GTX 33
GDU 1040
PFD
No. 1
GIA 63
GDU 1040
MFD
GDU 1040
PFD
GDU 1040
MFD
No. 2
GIA 63
RS-232
Figure 5-11. GTX 33 Data Paths
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