Garmin GTR 225A User Manual

190-01182-02 GTR 225/GNC 255 TSO Installation Manual
Rev. F Page D-5
NOTES
Figure D-3 GTR/GNC Power Lighting Configuration Interconnect
ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.
GROUND DESIGNATIONS: SHIELD BLOCK GROUND AIRFRAME GROUND
AT THE GTR/GNC, CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL—THE SHIELD LEADS
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
SPLICE. USE APPROPRIATE HEAT-SHRINK TUBING TO PROVIDE SUFFICIENT INSULATION FROM
SURROUNDING CONTACTS.
CONNECTOR P2002 IS ONLY APPLICABLE TO THE GNC 255.
OPTIONAL CONNECTION. LIGHTING CAN BE CONTROLLED BY THE INTEGRATED PHOTOCELL, A SINGLE
LIGHTING BUS, OR DUAL LIGHTING BUSES.
P2001
GTR/GNC
LIGHTING BUS 1 HI
LIGHTING BUS 1 LO
8
22
AIRCRAFT POWER
AIRCRAFT POWER 43
30
AIRCRAFT GND
AIRCRAFT GND
38
37
44
40
$9'&
AVIONICS BUS
$9'&
AIRCRAFT POWER
AIRCRAFT GND
COM
LIGHTING BUS 2 HI
LIGHTING BUS 2 LO 32
2
P2002
AIRCRAFT POWER
AIRCRAFT POWER
AIRCRAFT GND
AIRCRAFT GND
52
51
62
61
AIRCRAFT
GROUND
4
4
6
TO DISPLAY
DIMMER
TO KEYPAD
DIMMER
AIRCRAFT
GROUND
$9'&
AVIONICS BUS
$9'&
NAV
GPS Source
RS-232 OUT
RS-232 IN
16
RS-232 GND
s
5
20 AWG (5A C/B, 28VDC)
18 AWG (10A C/B, 14 VDC)
20 AWG (5A C/B, 28VDC)
18 AWG (10A C/B, 14 VDC)
20 AWG (28VDC)
18 AWG (14 VDC)
20 AWG (28VDC)
18 AWG (14 VDC)
1
2
S
3
4
5
6

Garmin GTR 225A Specifications

General

Brand	Garmin
Model	GTR 225A
Category	Transceiver
Language	English