G1000 Nav III Line Maintenance Manual Page A-25190-00352-00 Rev. LConnector P3472, continuedPin Pin Name I/O38 RS-232 OUT 2 Out39 RS-232 IN 2 In40 CONFIG MODULE DATA I/O41 SPEAKER AUDIO OUT LO Out42 SPEAKER AUDIO OUT HI Out43 MUTE AUDIO ON TX SELECT* In44 PROGRAM GROUND --45 MUTE AUDIO ON RX SELECT* In46 PROGRAM GROUND --47 CROSS-SIDE COM MIC DIGITAL AUDIO OUT Out48 CROSS-SIDE COM DIGITAL AUDIO IN In49 CROSS-SIDE DIGITAL AUDIO CLOCK OUT Out50 CROSS-SIDE DIGITAL AUDIO CLOCK IN In51 14 V LIGHTING HI In52 28 V LIGHTING HI In53 AIRCRAFT POWER 1 In54 VOICE ALERT 5 SELECT HI In55 AIRCRAFT POWER 1 In56 REVERSIONARY MODE 2 Out57 REVERSIONARY MODE COMMON 2 Out58 DUAL AUDIO INSTALLATION SELECT* In59 MARKER ANTENNA LO In60 CONFIG MODULE CLOCK Out61 SPARE --62 ON-SIDE/CROSS-SIDE* COM RECORD In63 SERIAL CONFIG SELECT* In64 PA MUTE* OUT Out65 TEL DISCRETE RINGER* In66 ICS MUTE INHIBIT* In67 PROGRAM GROUND --68 CROSS-SIDE NAV DIGITAL AUDIO IN In69 POWER GROUND --70 ETHERNET OUT A Out71 POWER GROUND --72 ETHERNET IN A In73 VOICE ALERT 6 SELECT HI In74 AIRWAY/INNER MARKER EXT LAMP OUT Out75 MIDDLE MARKER EXT LAMP OUT Out76 OUTER MARKER EXT LAMP OUT Out77 SHARED MODE SELECT* In78 MARKER ANTENNA HI In
