Power And Antennas - Garmin GDL 88 Installation Manual

5.2 Power and Antennas

This section covers the power input requirements and antenna connections. See Appendix D for
interconnect information.
5.2.1 Power
AIRCRAFT POWER
AIRCRAFT POWER
AIRCRAFT GND
AIRCRAFT GND
5.2.2 Antennas
UAT ANTENNA – BOTTOM BNC
UAT ANTENNA – TOP
GPS/SBAS ANTENNA TNC
UAT antenna(s) use BNC coaxial connectors on the connector backplate. The GPS/SBAS antenna uses a
TNC coaxial connector on the connector backplate.
GDL 88 TSO Installation Manual
190-01122-00
Pin Name
Pin Name
Connector Pin
P881 19
P881 20
P881 77
P881 78
Connector I/O
P882 I/O
P883 I/O
P884 In
I/O
In
In
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Page 5-3
Rev. A