190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 9
Page D-23
Interconnect Drawings
NOTES
Figure D-15 GTX 3X5 - Switches and OAT Probe Interconnect
OUTSIDE AIR TEMPERATURE PROBE STANDARD 2-WIRE THERMOCOUPLE WITH 1 MICRO-AMP PER
DEGREE KELVIN RESPONSE. SUITABLE MODELS ARE: EDMO 655 AND DAVTRON C307PS.
DISCRETE I/O PINS ARE CONFIGURABLE. REFER TO SECTION 6.5.
THE SQUAT SWITCH INPUT CAN BE USED TO CONTROL AIR/GROUND STATUS. THE INPUT SENSE
CONFIGURATION IS DESCRIBED IN TABLE 6-8 .
G TX 3X5
P3251
37
AUDIO CANCEL
TRAFFIC
CANCEL
36
EXT IDENT
IDENT
PRI
58
AIR DATA SELECT
AIR DATA
SELECT
SQUAT SWITCH
57
ALT
S
OAT PROBE IN
OAT PROBE OUT
3
25
1
2
3
XPDR 1
14
EXT STANDBY
XPDR 2
XPDR
SELECT
1
2
3