Garmin Apollo GX60 Comm Installation Manual - page 48
Specifications
40
Apollo GX50/60/65 Installation Manual
Table 3 Navigation Interface Connector Pinout
Pin #
I/O Connection
Function
1
I
Power +
main DC power input
2
I
Power ground
main power ground input
3
O
Serial ground
RS-232 signal ground
4
I
RxD1
RS-232 channel 1 serial data input
5
O
TxD1
RS-232 channel 1 serial data output
6
I
Ext in 2
reserved
7
I
Simulator select
simulator mode, connect to ground for normal operation
8 I
Flip/Flop
Remote comm frequency flip/flop input -
GX60/65 only
9
O
VDI Superflag
VDI high level superflag output
10
O
Nav + valid
Nav low level valid flag output
11
O
+ FROM
+ From flag output
12
O
+ TO
+ To flag output
13
O
CDI + Right
CDI + Right output
14
O
CDI + Left
CDI + Left output
15
O
ACTIVE
Approach Active annunciator output
(GX50/60 only)
16
O
MSG
Message annunciator output
17
O
PTK
Parallel track annunciator output
18
--
reserved
do not connect
19
--
reserved
do not connect
20
O
Serial ground
RS-232 signal ground
21
I
RxD2
RS-232 channel 2 serial data input
22
O
TxD2
RS-232 channel 2 serial data output
23
--
reserved
do not connect
24
O
reserved
do not connect
25
O
Ground
signal ground connection
26
I
Hold select
Hold input
(GX65 optional)
27
O
Nav superflag
Nav high level superflag output
28
O
VDI + valid
VDI low level flag output
29
O
Ground
valid flag ground connection
30
O
VDI + Up
VDI + Up output
31
O
VDI + Down
VDI + Down output
32
O
Ground
signal ground connection
33
O
APPRCH
Approach annunciator output
(GX50/60 only)
34
O
Hold
Hold annunciator output
(GX65 optional)
35
O
reserved
do not connect
36
O
Power control
Power control output
37 O
Ground
reserved