Installation
Procedures
Apollo CNX80 Installation Manual
560-0982-00 Rev D
2-17
2.7.1.1 Main System Connector (P1)
The interface to external equipment is made through a standard male 37-pin D-sub connector near the
middle of the unit. The pin-out for the connector is defined in the following table.
Table 2-5 Main System Connector Pin-Out (P1)
Pin #
I/O
Name
Description
Reference
1
I
Power +
Main Aircraft Power Input (+10 to +36 VDC)
2.8.1
2
I
Power Ground
Main Aircraft Power Ground
3
O
Serial Ground 2
RS232 signal ground
2.8.10.1
4
I
RS232 RxD1
RS232 channel 1 serial data input
5
O
RS232 TxD1
RS232 channel 1 serial data output
6
O
RS232 TxD3
RS232 channel 3 serial data output
7
I
RS232 RxD3
RS232 channel 3 serial data input
8
O
RS422 TxD4 +
RS422 channel 4 serial data
9 --
RESERVED
RESERVED
10
O
RS422 TxD4 -
RS422 channel 4 serial data output -
2.8.10.1
11
I
RS422 RxD4 +
RS422 channel 4 serial data input +
12 --
RESERVED
RESERVED
13 --
RESERVED
RESERVED
14
I
Com Flip Flop In
COM Flip-Flop discrete input (active low)
2.8.9.2
15
I
UP Discrete In
Activate COM User list and scrolls up (active low)
2.8.9.5
16
I
Power +
Main Aircraft Power Input (+10 to +36 VDC)
2.8.1
17
O
Time Mark Out +
GPS 1 Pulse Per Second (RS422 Level)
2.8.11
18 --
RESERVED
RESERVED
19
O
Time Mark Out -
GPS 1 Pulse Per Second Output - (RS422 Level)
2.8.11
20
I
Power Ground
Main Aircraft Power Ground
2.8.1
21
I
RS232 RxD2
RS232 channel 2 serial data input
2.8.10.1
22
O
RS232 TxD2
RS232 channel 2 serial data output
23
O
Serial Ground 1
RS232 signal ground
24 --
RESERVED
RESERVED
25
O
Serial Ground 3
RS232 signal ground
2.8.10.1
26
I
RS422 RxD4 -
RS422 channel 4 serial data input -
27 --
RESERVED
RESERVED
28 --
RESERVED
RESERVED
29 --
RESERVED
RESERVED
30 --
RESERVED
RESERVED
31 --
RESERVED
RESERVED
32 --
RESERVED
RESERVED
33
I
DOWN Discrete In
Activate COM User list and scrolls down (active low)
2.8.9.5
34
I
VOR Flip Flop In
VOR Flip-Flop discrete input (active low)
2.8.9.3
35
I
Power + Out (Nav)
Main Power Output for Nav Receiver
2.8.1
36 --
RESERVED
RESERVED
37
I
Power Gnd Out (Nav) Main Power Ground Output for Nav Receiver
2.8.1
1
20
19
37
VIEW LOOKING AT REAR OF UNIT
Figure 2-8 - 37-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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