Figure 6-8 J111 On The Gmu 11 - Garmin G5 Installation Manual

A.1.4 CAN
The G5 CAN bus conforms to the BOSCH standard for Controller Area Network (CAN) 2.0-B and ISO
11989. See Section 3.4.5.2 for details. The G5 can utilize CAN bus connections when specified by a
specific equipment configuration to allow heading information from the GMU 11, communication of
navigation data from the GAD 29/29B, communication between the G5 Attitude or Turn Coordinator
and the G5 HSI, and communication from the GAD 13 for Outside Air Temperature (OAT) information.
For specific wiring information, refer to Section 5.
A.1.5 Unit ID
The G5 detects its assigned unit type at startup by checking the UNIT ID pin. This pin can be
strapped into the following configurations. A maximum of two G5 units may be used in a single
installation.
Unit ID
G5 #1
G5 #2
A.2 GMU 11
A.2.1 J111
Pin
1
2
3
4
5
6
7
8
9
Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual
Unit ID Configurations

Figure 6-8 J111 on the GMU 11

J111 Pin Descriptions
Pin Name
CAN-H
CAN-L
UNIT ID
RS-232 RX 1
RS-232 TX 1
SIGNAL GROUND
AIRCRAFT POWER 1
AIRCRAFT POWER 2
POWER GROUND
Page 220
Comment
Pin 3 No Connection
Ground pin 3
I/O
I/O
I/O
In
In
Out
--
In
In
--
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Rev. 21