190-01879-11
GMA 245/245R Installation Manual
Rev. 6
Page 4-4
4.3 Aircraft Power
The GMA 245 has four pins for aircraft power bus inputs. Use one wire for each of the pins connecting to
the aircraft power and ground. Do not splice the power and ground pins at the unit and use only one wire to
aircraft power and ground.
4.4 CAN Bus
The CAN bus is used to interface with G3X Touch systems, and conforms to the BOSCH standard for
Controller Area Network 2.0-B, and complies with ISO 11898.
36
PASS 1 MIC AUDIO IN LO
--
37
PASS 2 MIC AUDIO IN HI
IN
38
PASS 2 MIC AUDIO IN LO
--
39
PASS 3 MIC AUDIO IN HI
IN
40
PASS 3 MIC AUDIO IN LO
--
41
PASS 4 MIC AUDIO IN HI
IN
42
PASS 4 MIC AUDIO IN LO
--
43
SPEAKER AUDIO OUT LO
--
44
SPEAKER AUDIO OUT HI
OUT
* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)
Table 4-3 Aircraft Power
Pin
Connector
Pin Name
I/O
8
J2402
AIRCRAFT POWER
IN
9
J2402
AIRCRAFT POWER
IN
10
J2402
POWER GROUND
--
11
J2402
POWER GROUND
--
Table 4-4 CAN Bus
Pin
Connector
Pin Name
I/O
36
J2401
CAN BUS HI
I/O
37
J2401
CAN BUS LO
I/O
Table 4-2 J2402 Pin Assignments
Pin
Pin Name
I/O
