Installation Procedures
2-18
560-0982-00 Rev D
Apollo CNX80 Installation Manual
2.7.1.2 Com I/O Connector (P4)
The CNX 80 communication interface is handled via a standard density male 15-pin D-sub connector
located at the top of the unit. Internally this connection is on the VHF COM board. The pinout for the
connector is defined in the following table.
Table 2-6 COM I/O Connector Pin-Out (P4)
Pin
#
I/O Name
Description
Reference
1
I
Aircraft Power
Main Aircraft Power Input (+10 to +36 VDC)
2.8.1
2 -- RESERVED
RESERVED
3 -- RESERVED
RESERVED
4
I
PTT
Push To Talk, Transmit Key (active low)
2.8.9.4
5 -- RESERVED
RESERVED
6
O
Com Speaker Out
Speaker output (high-level audio)
2.8.12.1
7
I
Com MIC In Low
Microphone input - analog ground
2.8.12.2
8
I
Com MIC In High
Microphone input - High
9
I
Power Ground
Main Aircraft Power Ground
2.8.1
10 -- RESERVED
RESERVED
11 -- RESERVED
RESERVED
12 -- RESERVED
RESERVED
13
O
Com Audio Ground
Speaker or Headphone output ground
2.8.12.1
14
O
Com Headphone Out
Headphone output (low-level audio)
15 -- RESERVED
RESERVED
15
9
1
8
View looking at rear of unit
Figure 2-9 - 15-Pin Connector
Summary of Contents for Apollo CNX80
Page 1: ...Apollo CNX80 Installation Manual September 2003 560 0982 00 Rev D...
Page 10: ...Table of Contents viii 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...
Page 30: ...General Information 1 20 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...
Page 114: ...Periodic Maintenance 6 2 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...
Page 134: ...Appendix D Interconnect Diagrams D 2 560 0982 00 Rev D Apollo CNX80 Installation Manual NOTES...
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