190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 4
Page D-16
NOTES
Figure D-9 GTX 335/345 - GDL 88 Interconnect
ADS-B + FORMAT 2 SHOULD BE USED FOR BOTH INTERFACES.
GTX 335/345
GDL 88
P3251
TIME MARK A
RS232 #2 GND
4
22
RS232 #2 RX
45
26
50
7
RS232 #3 GND
RS232 #3 TX
P881
TIME MARK 1 PPS A OUT
S
S
GTX 335/345 PROVIDING GPS POSITION TO GDL 88
GDL 88 PROVIDING GPS POSITION TO GTX 335/345
GTX 335/345
GDL 88
P3251
RS232 #2 TX
RS232 #2 GND
45
7
50
29
RS232 #3 RX
RS232 #3 GND
P881
S
S
TIME MARK B
26
3
TIME MARK 1 PPS A OUT
S
S
1