Garmin GDL 59 – Data Logger & Wi-Fi Datalink Installation Manual - Page 24

Connector P591, continued Pin Pin Name I/O 39 AUDIO SYSTEM 1 AUDIO OUT LO Out 40 RESERVED I/O 41 RESERVED -- 42 RESERVED -- 43 RESERVED -- 44 SIGNAL GROUND -- 45 SIGNAL GROUND -- 46 SIGNAL GROUND -- 47 RESERVED -- 48 AIRCRAFT POWER 2 In 49 AIRCRAFT POWER 2 In 50 RESERVED -- 51 SIGNAL GROUND -- 52 POWER GROUND -- 53 POWER GROUND -- 54 POWER GROUND -- 55 POWER GROUND -- 56 IRIDIUM 1 STATUS DISCRETE 1* IN In 57 SPARE -- 58 RESERVED -- 59 POTS HANDSET RING I/O 60 RESERVED I/O 61 RESERVED In 62 RESERVED -- 63 RS232 OUT 1 Out 64 RS232 IN 1 In 65 RS232 OUT 2 Out 66 RS232 IN 2 In 67 RESERVED -- 68 RESERVED -- 69 RESERVED -- 70 RESERVED -- 71 AIRCRAFT POWER 1 In 72 AIRCRAFT POWER 1 In 73 IRIDIUM 1 REMOTE POWER ON* Out 74 IRIDIUM 2 REMOTE POWER ON* Out 75 DATA LINK REMOTE POWER OFF In 76 IRIDIUM 2 STATUS DISCRETE* IN In 77 RESERVED -- 78 POTS HANDSET TIP I/O * Denotes Active Low (Ground to activate) Page 4-2 Revision C GDL 59 Installation Manual 190-00837-00