Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page E-43
ALL WIRES
24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.
GROUND DESIGNATIONS: SHIELD BLOCK GROUND AIRFRAME GROUND
AT THE GTN
, CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL -- THE SHIELD LEADS MUST BE
LESS THAN 3.0". CONNECT THE SHIELD GROUNDS AT THE GWX 68
/
70 TO ITS CONNECTOR BACKSHELL IN
ACCORDANCE WITH THE GWX 68
/
70 INSTALLATION INSTRUCTIONS.
USE AIRCRAFT GRADE CATEGORY 5
ETHERNET CABLE. THESE INCLUDE THE FOLLOWING:
IF ETHERNET PORT IS ALREADY USED FOR ANOTHER PURPOSE, ANY ETHERNET PORT MAY BE
CONNECTED
.
REFER TO SECTION 4 FOR PINOUT INFORMATION.
ONLY THE GTN 7XX IS CAPABLE OF
DISPLAYING GWX 68/70 DATA. RECOMMEND CONNECTING THE GTN 725 OR GTN 750 DIRECTLY TO THE
GWX 68
/70. SEE SECTION
2.4
.16 FOR MORE INFORMATION
.
CONFIGURATION MODULE HARNESS USES 28 AWG WIRES
. CONTACTS SUPPLIED WITH CONFIGURATION
MODULE MUST BE USED FOR CONNECTING CONFIGURATION MODULE HARNESS TO P400
/P3271.
THE WIRING TO THE HSDB WEATHER RADAR R
/T MUST BE OVERBRAIDED IN THE RADOME AREA, PRIOR TO
ENTERING THE FUSELAGE. SEE APPENDIX G FOR OVERBRAID PROCEDURE
THE WXR ARINC
453/708
INPUT IS UNTERMINATED.
IF THE GTN IS THE ONLY EQUIPMENT ON THE ARINC 453
/708 OUTPUT BUS FROM THE WEATHER RADAR
, OR
IF IT IS DESIRED TO UTILIZE THE GTN INTERNAL TERMINATION RESISTOR, INSTALL THE TERMINATION
JUMPER SHOWN
. THIS LENGTH OF THIS JUMPER SHOULD NOT EXCEED 3
”.
IF MULTIPLE PIECES OF
EQUIPMENT ARE ON THE ARINC 453/708 BUS, ONLY ONE TERMINATION RESISTOR SHOULD BE UTILIZED
, AT
THE LAST LRU ON THE ARINC 453/708 BUS.
AT WEATHER RADAR UNIT, CONNECT SHIELD GROUNDS TO AIRCRAFT CHASSIS WITH AS SHORT A
CONDUCTOR AS PRACTICAL.
THE GTN MAY BE CONNECTED AS INDICATOR #
1 OR INDICATOR
#2. REFER TO SECTION 5.5
.4.
10 FOR
DETAILS ON HOW TO CONFIGURE GTN DISPLAY HEAD #1 / #2.
IF THE STRUT SWITCH INPUT IS CONNECTED TO THE WXR, DISCONNECT IT.
THE GTN WILL
AUTOMATICALLY COMMAND THE WXR TO STANDBY UPON LANDING.
THIS ALSO ALLOWS THE PILOT TO
TURN THE WXR ON PRIOR TO TAKEOFF.
SPLICE MUST BE MADE WITHIN 6" OF CONNECTOR BACKSHELL
(WITHIN CONNECTOR BACKSHELL IS
PREFERRED).
ARINC 429 OUTPUT PORT
3 MUST BE USED FOR CONTROLLING THE WEATHER RADAR.
THE ART 2100
IS SUPPORTED WHEN CONFIGURED TO EMULATE AN ART 2000. ONLY ART 2000 FUNCTIONS
ARE AVAILABLE. SEE APPENDIX C FOR REQUIRED ART 2100 CONFIGURATION SETTINGS
.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NOTES:
s
P
/N
10424
(24
AWG
)
392404 (24 AWG)
MANUFACTURER
PIC WIRE AND CABLE
CarlisleIT
Figure E-16. GTN 6XX/7XX – Weather Radar Interconnect
Sheet 3 of 3