Figure D-9 Gtx 335/345 - Gdl 88 Interconnect - Garmin GTX 3X5 Series Installation Manual

NOTES
WHEN GTN 6XX/7XX IS THE ONLY INSTALLED GPS NAVIGATOR, OR GPS NAVIGATOR #1 IN A DUAL GPS
NAVIGATOR INSTALLATION, CONFIGURE GTN 6XX/7XX AS GTN #1 BY LEAVING SYSTEM ID (P1002-10) NOT
1
CONNECTED. WHEN THE GTN 6XX/7XX IS GPS NAVIGATOR #2 IN A DUAL GPS INSTALLATION, CONFIGURE
GTN #2 BY GROUNDING SYSTEM ID (P1002-10) TO THE SHIELD BLOCK.
2
TAWS AUDIO INHIBIT FOR GTN 6XX/7XX TAWS UNITS ONLY.
GTX 335/345
TIME MARK 1 PPS A OUT
TIME MARK 1 PPS A OUT
RS232 #3 TX
RS232 #3 GND
GTX 335/345
RS232 #3 RX
RS232 #3 GND
NOTES
1
ADS-B + FORMAT 2 SHOULD BE USED FOR BOTH INTERFACES.
190-01499-02
Rev. 9
Figure D-8 GTX 345 - Single/Dual GTN 6XX/7XX Interconnect
GTX 335/345 PROVIDING GPS POSITION TO GDL 88
P3251
4
26
S
7
50
S
GDL 88 PROVIDING GPS POSITION TO GTX 335/345
P3251
29
50
S

Figure D-9 GTX 335/345 - GDL 88 Interconnect

Sheet 2 of 2
GTX 3X5 Transponder TSO Installation Manual
Interconnect Drawings
GDL 88
P881
22 TIME MARK A
3 TIME MARK B
S
26 RS232 #2 RX
45 RS232 #2 GND
S
GDL 88
P881
7 RS232 #2 TX
45 RS232 #2 GND
S
Page D-14