Garmin Apollo CNX80 Installation Manual

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Garmin Apollo CNX80 Installation Manual Manual pdf 49 page image

Installation ProceduresApollo CNX80 Installation Manual 560-0982-00 Rev D 2-192.7.1.3 I/O Expansion Connector (P5)Additional I/O for the CNX80 is achieved via the I/O expansion connector, which consists of a high densityfemale 78-pin D-sub connector near the bottom of the unit. The pinout for the connector is defined in thefollowing table.Table 2-7 I/O Expansion Connector Pin-Out (P5)Pin # I/O Name Description Reference1 I RS232 RxD5 RS232 channel 5 serial data input 2.8.10.12 I RS232 RxD6 RS232 channel 6 serial data input (opto-isolated)3 -- RESERVED RESERVED4 O 429 OUT 1A ARINC 429 Output Channel 1A 2.8.10.25 O 429 OUT 2A ARINC 429 Output Channel 2A6 -- RESERVED RESERVED7 I 429 IN 1A ARINC 429 Input Channel 1A 2.8.10.28 I 429 IN 2A ARINC 429 Input Channel 2A9 I 429 IN 3A ARINC 429 Input Channel 3A10 I RS232 RxD7 RS232 channel 7 serial data input (receive-only channel) 2.8.10.111 -- RESERVED RESERVED12 -- RESERVED RESERVED13 I Baro In (W) Baro Correction Input (wiper) 2.8.514 I/O DME Clock Bus Digital Serial DME Clock Bus 2.8.1615 I/O DME Data Bus Digital Serial DME Data Bus16 O OBI Clock Digital OBI Clock 2.8.15.117 O OBI Data Digital OBI Data18 I Hdg Synchro Y Heading Synchro Input (Y) 2.8.619 I Hdg Synchro X Heading Synchro Input (X)20 I Hdg Synchro Ref Hi Heading Synchro Reference In (Hi)21 O RS232 TxD5 RS232 channel 5 serial data output 2.8.10.122 O RS232 TxD6 RS232 channel 6 serial data output (opto-isolated)23 -- RESERVED RESERVED24 O 429 OUT 1B ARINC 429 Output Channel 1B 2.8.10.225 O 429 OUT 2B ARINC 429 Output Channel 2B26 -- RESERVED RESERVED27 I 429 IN 1B ARINC 429 Input Channel 1B 2.8.10.228 I 429 IN 2B ARINC 429 Input Channel 2B29 I 429 IN 3B ARINC 429 Input Channel 3B30 I RS232 RxD8 RS232 channel 8 serial data input (receive-only channel) 2.8.10.131 -- RESERVED RESERVED32 -- RESERVED RESERVED33 O Baro Hi Baro Correction Excitation Output 2.8.534 I DME Select In Digital Serial DME Select (active low) 2.8.1635 I DME Channel Req Digital Serial DME Channel Request (RNAV)36 I OBI Select In RMI Selection input (Open = GPS, GND = NAV) 2.8.15.237 O OBI Sync Digital OBI Sync Pulse 2.8.15.138 I Hdg Synchro Z Heading Synchro Input (Z) 2.8.639 I Hdg Synchro Ref Lo Heading Synchro Reference In (Lo)40 O Message Audio Out Low Level Message Audio Out (to audio panel) 2.8.14.141 O Serial Ground 5 RS232 signal ground 2.8.10.142 O Serial Ground 6 RS232 signal ground