Garmin GMA 240 Installation Manual - Page 25

J2402 Connector, Table 4-2., J2402 Pin Assignments, Pin Name

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4.2.2 J2402 Connector Table 4-2. J2402 Pin Assignments Pin Pin Name 1 PILOT HEADSET AUDIO OUT LO 2 COPILOT HEADSET AUDIO OUT LO 3 COPILOT HEADSET AUDIO OUT LEFT 4 COPILOT HEADSET AUDIO OUT RIGHT 5 LIGHTING BUS 14V LO/28V LO 6 LIGHTING BUS 14V HI/28V LO 7 LIGHTING BUS 14V HI/28V HI 8 AIRCRAFT POWER 9 AIRCRAFT POWER 10 AIRCRAFT GROUND 11 AIRCRAFT GROUND 12 RESERVED 13 PILOT ISO MUSIC* IN 14 PILOT ISO MUSIC* RETURN 15 ALERT 3 AUDIO IN HI 16 PILOT HEADSET AUDIO OUT LEFT 17 RESERVED 18 RESERVED 19 BUTTON PRESS TONE ENABLE* IN 20 COM SWAP* IN 21 COM SWAP* IN RETURN 22 RESERVED 23 MUSIC 1 IN LEFT 24 MUSIC 1 IN RIGHT 25 MUSIC 1 IN LO 26 MUSIC 2 IN LEFT 27 MUSIC 2 IN RIGHT 28 MUSIC 2 IN LO 29 FAILSAFE WARN AUDIO IN HI 30 MUTE ON COM TX* IN 31 PILOT HEADSET AUDIO OUT RIGHT 32 COPILOT MIC AUDIO IN HI 33 COPILOT MIC KEY* IN 34 COPILOT MIC AUDIO IN LO 35 PASS 1 MIC AUDIO IN HI 36 PASS 1 MIC AUDIO IN LO 37 PASS 2 MIC AUDIO IN HI 38 PASS 2 MIC AUDIO IN LO 39 RESERVED 40 RESERVED 41 RESERVED 42 RESERVED 43 RESERVED 44 RESERVED * Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active) GMA 240 Installation Manual 190-00917-01 I/O --OUT OUT -IN IN IN IN ---IN -IN OUT --IN IN --IN IN -IN IN -IN IN OUT IN IN -IN -IN -------- Page 4-3 Rev. B

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GMA 240 Installation Manual
Page 4-3
190-00917-01
Rev. B
4.2.2
J2402 Connector
Table 4-2.
J2402 Pin Assignments
Pin
Pin Name
I/O
1
PILOT HEADSET AUDIO OUT LO
--
2
COPILOT HEADSET AUDIO OUT LO
--
3
COPILOT HEADSET AUDIO OUT LEFT
OUT
4
COPILOT HEADSET AUDIO OUT RIGHT
OUT
5
LIGHTING BUS 14V LO/28V LO
--
6
LIGHTING BUS 14V HI/28V LO
IN
7
LIGHTING BUS 14V HI/28V HI
IN
8
AIRCRAFT POWER
IN
9
AIRCRAFT POWER
IN
10
AIRCRAFT GROUND
--
11
AIRCRAFT GROUND
--
12
RESERVED
--
13
PILOT ISO MUSIC* IN
IN
14
PILOT ISO MUSIC* RETURN
--
15
ALERT 3 AUDIO IN HI
IN
16
PILOT HEADSET AUDIO OUT LEFT
OUT
17
RESERVED
--
18
RESERVED
--
19
BUTTON PRESS TONE ENABLE* IN
IN
20
COM SWAP* IN
IN
21
COM SWAP* IN RETURN
--
22
RESERVED
--
23
MUSIC 1 IN LEFT
IN
24
MUSIC 1 IN RIGHT
IN
25
MUSIC 1 IN LO
--
26
MUSIC 2 IN LEFT
IN
27
MUSIC 2 IN RIGHT
IN
28
MUSIC 2 IN LO
--
29
FAILSAFE WARN AUDIO IN HI
IN
30
MUTE ON COM TX* IN
IN
31
PILOT HEADSET AUDIO OUT RIGHT
OUT
32
COPILOT MIC AUDIO IN HI
IN
33
COPILOT MIC KEY* IN
IN
34
COPILOT MIC AUDIO IN LO
--
35
PASS 1 MIC AUDIO IN HI
IN
36
PASS 1 MIC AUDIO IN LO
--
37
PASS 2 MIC AUDIO IN HI
IN
38
PASS 2 MIC AUDIO IN LO
--
39
RESERVED
--
40
RESERVED
--
41
RESERVED
--
42
RESERVED
--
43
RESERVED
--
44
RESERVED
--
* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)