Garmin GMA 1347D-00 Installation Manual

GMA 1347D Installation Manual Page 4-9190-00303-21 Revision C4.4 J3471 Connector Pin AssignmentsThis section covers the pin connections of J3471 only.4.4.1 Mic Audio Inputs and Mic KeysTable 4-11. Mic Audio Inputs and Mic Key Pin Assignments, J3471Pin Pin Name Description I/O29 PILOT MIC KEY* IN Enables audio into the respectivetransceiver unit In28 PILOT MIC AUDIO IN HI In30 PILOT MIC IN LO Pilot Mic audio input and ground reference In46 PASS 1 MIC AUDIO IN HI In47 PASS 1 MIC AUDIO IN LOPassenger 1 Mic audio and groundreference In65 PASS 2 MIC AUDIO IN HI In66 PASS 2 MIC AUDIO IN LOPassenger 2 Mic audio and groundreference In44 PASS 3 MIC AUDIO IN HI In45 PASS 3 MIC AUDIO IN LOPassenger 3 Mic audio and groundreference In63 PASS 4 MIC AUDIO IN HI In64 PASS 4 MIC AUDIO IN LOPassenger 4 Mic audio and groundreference In* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active).4.4.2 Remote ICS Audio and ICS KeysTable 4-12. Remote ICS Audio and ICS Keys Pin Assignments, J3471Pin Pin Name Description I/O31 PILOT ICS KEY* In24 PASS ICS KEY* Enables audio into the intercom system In21 REMOTE CREW ICS AUDIO IN HI In22 REMOTE CREW ICS AUDIO IN LORemote crew ICS input and groundreference In40 REMOTE PASS ICS AUDIO IN HI In41 REMOTE PASS ICS AUDIO IN LORemote passenger ICS input andground reference In60 REMOTE CREW ICS OUT HI Remote crew audio output Out5 REMOTE PASS ICS AUDIO OUTHI Remote passenger audio output Out61 REMOTE CREW ICS OUT LO Ground reference for remote passengerand crew audio outputs Out* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active).