Garmin GMA 240 Installation Instruction

Page of 42
GMA 240 Installation Manual
190-00917-01
Page 4-4
Rev. D
4.2.3 P2403 Connector (front panel 2.5 mm mini-jack)
Figure 4-3  2.5 mm Plug Used with P2403
4.3 Aircraft Power and Lighting
4.3.1 Aircraft Power
The GMA 240 has four inputs for aircraft power bus inputs of 14/28Vdc.
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)
Table 4-3  P2403 Connector
Pin
Pin Name
I/O
TIP
MUSIC 1 LEFT IN/TEL MIC OUT HI
I/O
RING
MUSIC 1 RIGHT IN/TEL AUDIO IN HI
IN
SLEEVE
MUSIC 1 LO IN/TEL AUDIO LO
--
Table 4-4  Aircraft Power
Pin
Connector
Pin Name
I/O
8
P2402
AIRCRAFT POWER 
IN
9
P2402
AIRCRAFT POWER 
IN
10
P2402
POWER GROUND
--
11
P2402
POWER GROUND
--
Table 4-2  J2402 Pin Assignments
Pin
Pin Name
I/O