190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-63
23.16.2 Power
Pins 1 & 20 supply power to the GTR 20. Refer to drawings in Section 24
for power and ground wire
gauges.
23.16.3 CAN Bus
The CAN Bus conforms to the BOSCH standard for Controller Area Network 2.0-B, and complies with
ISO 11898. Pins 25 and 26 are used to terminate the CAN bus. To terminate the CAN bus at the GTR 20,
short the pins (25 and 26) together. Refer to Section 2.3.1.3
for details on configuring and terminating the
CAN bus. The CAN bus on J2001 shall be used for communications between G3X LRUs.
23.16.4 Unit ID
Refer to drawings in Section 24
for ID connections.
30 COPILOT HS LO --
31 AUX 1 LO --
32 AUX MONO IN 1 In
33 PILOT HS LO --
34 COPILOT MIC LO --
35 PILOT PTT* In
36 PILOT MIC LO --
37 MUSIC LO In
Pin Name Pin I/O
AIRCRAFT POWER 1 In
AIRCRAFT GROUND 20 --
Pin Name Pin I/O
CAN BUS LO 6 I/O
CAN BUS HI 7 I/O
CAN TERM B 25 --
CAN TERM A 26 --
Pin Name Pin I/O
ID IN 8 In
ID LO 27 --
Table 23-4 J2001 Connector
Pin Pin Name I/O
*Indicates Active Low
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