Power, Lighting, And Antennas - Garmin GTR 225 Installation Manual

5.2 Power, Lighting, And Antennas

Information about power input requirements, lighting bus input, and antenna connections is provided in
this section. See appendix D for interconnect information.
5.2.1 Power
Power inputs P2001-30, P2001-43, and P2001-44 provide power for the COM radio. All three pins must be
connected.
Power inputs P2002-51 and P2002-52 provide power for the NAV radio. Both pins must be connected.
AIRCRAFT POWER
AIRCRAFT POWER
AIRCRAFT POWER
AIRCRAFT POWER
AIRCRAFT POWER
AIRCRAFT GROUND
AIRCRAFT GROUND
AIRCRAFT GROUND
AIRCRAFT GROUND
AIRCRAFT GROUND
AIRCRAFT GROUND
AIRCRAFT GROUND
AIRCRAFT GROUND
5.2.2 Lighting Bus
CAUTION
Connection of the lighting bus to incorrect pins can cause damage to the unit that will
require return to the factory for repair. Ensure that the lighting bus is connected to the
correct pins and does not short to any adjacent pins prior to applying power to the unit,
including the lighting bus.
LIGHTING HI 1
LIGHTING HI 2
LIGHTING LO 1
LIGHTING LO 2
190-01182-02
Rev. F
Pin Name
Pin Name
Connector
P2001
P2001
P2001
P2002
P2002
P2001
P2001
P2001
P2002
P2002
P2002
P2002
P2002
Connector
P2001
P2001
P2001
P2001
GTR 225/GNC 255 TSO Installation Manual
Pin I/O
30 In
43 In
44 In
51 In
52 In
37 In
38 In
40 In
22 In
49 In
60 In
61 In
62 In
Pin I/O
8 In
2 In
22 In
32 In
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