Garmin GNC 255 Installation Manual - page 43
190-01182-02
GTR 225/GNC 255 TSO Installation Manual
Rev. B
Page 5-5
5.2 Power, Lighting, And Antennas
This section covers the power input requirements, lighting bus input, and antenna connections.
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.
Pin Name
Connector
Pin
I/O
AIRCRAFT POWER
P2001
30
In
AIRCRAFT POWER
P2001
43
In
AIRCRAFT POWER
P2001
44
In
AIRCRAFT POWER
P2002
51
In
AIRCRAFT POWER
P2002
52
In
AIRCRAFT GROUND
P2001
37
In
AIRCRAFT GROUND
P2001
38
In
AIRCRAFT GROUND
P2001
40
In
AIRCRAFT GROUND
P2002
22
In
AIRCRAFT GROUND
P2002
49
In
AIRCRAFT GROUND
P2002
60
In
AIRCRAFT GROUND
P2002
61
In
AIRCRAFT GROUND
P2002
62
In