Garmin GNC 255 User Manual

190-01182-02 GTR 225/GNC 255 TSO Installation Manual
Rev. B Page 5-3
5.1.2 P2002 Connector – NAV Board
(View looking at rear of unit, Pin 1 is bottom left)
Pin Pin Name I/O
1 VOR/LOC +TO Out
2 VOR/LOC +FROM Out
3 VOR/LOC +FLAG Out
4 VOR/LOC -FLAG Out
5 VOR/LOC +LEFT Out
6 VOR/LOC +RIGHT Out
7 RESERVED --
8 VOR/LOC COMPOSITE OUT Out
9 VOR OBS ROTOR C Out
10 VOR OBS ROTOR H (GND) --
11 VOR OBS STATOR E (GND) --
12 VOR OBS STATOR F In
13 VOR OBS STATOR D In
14 VOR OBS STATOR G (GND) --
15 VOR/LOC SUPERFLAG Out
16 500 Ω VOR/LOC AUDIO OUT HI Out
17 500 Ω VOR/LOC AUDIO OUT LO Out
18 SERIAL DME - CLOCK I/O
19 SERIAL DME - DATA I/O
20 SERIAL DME - RNAV/CH REQ In
21 SERIAL DME - RNAV MODE In
22 AIRCRAFT GND In
23 VOR/ILS ARINC 429 OUT B Out
24 VOR/ILS ARINC 429 OUT A Out
25 VOR OBI CLOCK Out
26 VOR OBI SYNC Out
27 VOR OBI DATA Out
28 VLOC REMOTE TRANSFER In
29 ILS ENERGIZE Out
30 SPARE --
31 SPARE --
32 GLIDESLOPE +FLAG Out
33 PAR DME 1 MHZ-D/SERIAL DME ON Out
34 GLIDESLOPE +UP Out
35 RESERVED --
36 RESERVED --
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Garmin GNC 255 Specifications

General

Channels	760
Frequency Range	118.000 to 136.975 MHz
Channel Spacing	25 kHz
Input Voltage	11 to 33 VDC
Dimensions	159 x 50 x 193 mm