Garmin GTR 225 Installation Manual page 110

GTR/GNC
P2001
AIRCRAFT POWER
AIRCRAFT POWER 43
AIRCRAFT POWER
4
AIRCRAFT GND
AIRCRAFT GND
AIRCRAFT GND
LIGHTING BUS 1 HI
LIGHTING BUS 1 LO
LIGHTING BUS 2 HI
LIGHTING BUS 2 LO
RS-232 IN 16
P2002
AIRCRAFT POWER
AIRCRAFT POWER
4
AIRCRAFT GND
AIRCRAFT GND
NOTES
1 ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.
2 GROUND DESIGNATIONS:
AT THE GTR/GNC, CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL—THE SHIELD LEADS
3
SHOULD BE LESS THAN 3.0". CONNECT OTHER SHIELD GROUNDS TO AIRCRAFT CHASSIS WITH AS
SHORT A CONDUCTOR AS PRACTICAL.
ALL POWER LEADS AND GROUND LEADS ARE REQUIRED. 20 OR 22 AWG WIRE CAN BE USED FOR THE
4 SPLICE. USE APPROPRIATE HEAT-SHRINK TUBING TO PROVIDE SUFFICIENT INSULATION FROM
SURROUNDING CONTACTS.
5 CONNECTOR P2002 IS ONLY APPLICABLE TO THE GNC 255.
OPTIONAL CONNECTION. LIGHTING CAN BE CONTROLLED BY THE INTEGRATED PHOTOCELL, A SINGLE
6
LIGHTING BUS, OR DUAL LIGHTING BUSES.
Figure D-3 GTR/GNC Power Lighting Configuration Interconnect
190-01182-02
Rev. F
20 AWG (5A C/B, 28VDC)
30
18 AWG (10A C/B, 14 VDC)
44
20 AWG (5A C/B, 28VDC)
37
18 AWG (10A C/B, 14 VDC)
38
40
8
TO DISPLAY
22
DIMMER
2
TO KEYPAD
DIMMER
32
s
5
20 AWG (28VDC)
51
18 AWG (14 VDC)
52
20 AWG (28VDC)
61
18 AWG (14 VDC)
62
SHIELD BLOCK GROUND
S
COM
AIRCRAFT
GROUND
6
RS-232 OUT
RS-232 GND
NAV
AIRCRAFT
GROUND
AIRFRAME GROUND
GTR 225/GNC 255 TSO Installation Manual
AVIONICS BUS
GPS Source
AVIONICS BUS
Page D-5