Garmin GNS 480 Installation Manaul

Also see for Apollo CNX80: User Newsletter User Newsletter Supplemental Flight manual Pilot's guide Data list

Contents

Appendix D - Interconnect DiagramsGNS 480 (CNX80) Installation Manual 560-0982-01 Rev L D-32345 Turner Road S.E., Salem, OR 97302Phone: 503.581-8101 http://www.garmin.comGarmin AT, Inc12021612GNS 480GPS AntCOM AntNAV Ant19P4P7P1P7P3P2P65 AMPCOMMPOWER + (PRIMARY)POWER GND (PRIMARY)POWER + (PRIMARY)POWER +POWER GROUNDPOWER +POWER GROUNDAVIONICS BUS(14/28 VDC)AVIONICS BUS(14/28 VDC)5 AMPNAV / GPSACFT GROUNDACFT GROUNDPOWER AND ANTENNASGNS 480 INSTALLATION DRAWINGNOTES:1. ALL WIRES 20 AWG FOR THE POWER AND GROUND CONNECTIONS.2. A MANUALLY RESETTABLE CIRCUIT BREAKER MUST BE USED FORTHE GNS 480 PRIMARY POWER INPUT.3. THE NAV ANTENNA MUST BE A COMBINED VOR/LOCALIZER/GLIDESLOPE ANTENNA. USE OF A SPLITTER/COMBINER IFSEPARATE VOR AND GLIDESLOPE ANTENNAS ARE USED ON THEAIRCRAFT IS NOT RECOMMENDED.4. CAUTION: TWO SETS OF PRIMARY POWER AND GROUND PINS AREPROVIDED ON P1. BOTH SETS MUST BE CONNECTED TO THEAIRCRAFT POWER SOURCE TO AVOID DAMAGE TO THE UNIT.5. THE GPS ANTENNA COAXIAL CABLE MUST BE DOUBLE OR TRIPLESHIELDED AND THE GPS ANTENNA COAXIAL CABLE LOSS(INCLUDING CONNECTORS) MUST BE BETWEEN 3dB AND 7dB.6. GARMIN AT SPLITTER P/N 115-0007 (OR EQUIVALENT) MUST BEUSED.Initial Release- 04/09/03DescriptionRev DatePOWER + OUT (NAV)POWER GND OUT (NAV)353723POWER GND (PRIMARY)4GPSCOMNAVGNS 480 #1DUAL GNS 480 ANTENNA CONNECTIONSGPS #1 AntCOM #1 AntNAV AntP3P2P63 GPSCOMNAVGNS 480 #2P3P2P6GPSCOMNAVSplitter12SNAV #2 AntGPS #2 Ant20AWG20AWG20AWG20AWG20AWG20AWG20AWG20AWG5556Updated company name toGarmin AT in note 6.A 08/25/03Changed unit name to GNS 480and fixed Notes format error.B 05/20/03Changed Note 5 to addminimum 3dB loss requirement.C 09/22/06Figure D-1. Main Power and Antenna Interconnect Diagram