GTX 330/GTX 330D Installation Manual Page 4-11
190-00207-02 Revision R
Figure 4-3. GTX 330, Software Update Connections
4.6.3 Aircraft with Both TIS and TCAS/TCAD Installed
Refer to Figure C-8 for wiring connections. If redundant traffic systems are desired in the aircraft, such
as TIS and TCAD/TCAS, both systems cannot be connected to the same 400/500 Series unit to display
traffic simultaneously. In a multiple traffic system/multiple 400/500 Series unit installation, connect
ARINC 429 CHANNEL 1 from the GTX 330 to only one of the 400/500 Series units and ARINC 429
CHANNEL 2 to the other 400/500 Series unit.
Connect the TIS CONNECT SELECT line from the GTX 330 to the 400/500 Series unit receiving TIS
data. The TCAD/TCAS system may now be connected to the second 400/500 Series unit.
Refer to Section 5 for configuration. Configure ARINC 429 output CHANNEL 1 for GARMIN W/TIS
and ARINC 429 output CHANNEL 2 for GARMIN. TIS is then enabled over CHANNEL 1 when the
GTX 330 is connected to a Garmin 400/500 Series unit through the ARINC 429 wiring.
All configured input data that is concentrated through the GTX 330 via ARINC 429 lines, is received in
the second 400/500 Series unit via ARINC 429 CHANNEL 2 while the GTX 330 is active. No data is
received over ARINC 429 CHANNEL 2 while the GTX 330 is in remote standby. (Remote standby is
usually used as part of a dual transponder installation.)
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