Garmin GTN 635 Installation Manual page 185

GTN 6XX
RS-232 OUT 4
5
RS-232 IN 4
RS-232 GND 4
NOTES:
1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.
2. GROUND DESIGNATIONS:
3. AT THE GTN 6XX, CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL -- THE SHIELD LEADS MUST BE LESS
THAN 3.0". CONNECT OTHER SHIELD GROUNDS TO AIRCRAFT CHASSIS WITH AS SHORT A CONDUCTOR AS PRACTICAL.
4. FOR WX-500 DATA TO BE DISPLAYED ON THE GTN 6XX MAP PAGE THE GTN 6XX MUST HAVE A DIGITAL OR SERIAL
HEADING SOURCE. A STEPPER HEADING SOURCE WILL NOT ALLOW WX-500 DATA TO BE DISPLAYED ON THE MAP
PAGE.
5. ANY AVAILABLE RS-232 PORT MAY BE USED. REFER TO SECTION 6 FOR RS-232 CHANNEL SETTINGS.
6. REFER TO MANUFACTURER‟S DOCUMENTATION FOR COMPLETE PINOUT AND INTERCONNECT INFORMATION. PINOUTS
OF OTHER UNITS SHOWN FOR REFERENCE ONLY.
7. ANY AVAILABLE ETHERNET PORT MAY BE USED.
GTN 625/635/650 TSO Installation Manual
190-01004-02
P1001
5
24
43
s
s
SHIELD BLOCK GROUND
Figure D-19. GTN 6XX – WX-500 Interconnect
OPTIONAL EXTERNAL
CLEAR SWITCH
AIRFRAME GROUND
L3 Communications
WX-500
4
P3
8 RS-232 RX
20 RS-232 TX
6 EXTERNAL CLEAR
P2
5 RS-232 GROUND
Page D-31
Rev. C