Gps 20A (Waas Gps Position Source) - Garmin G3X Installation Manual

23.10 GPS 20A (WAAS GPS Position Source)

23.10.1 J201 Connector
Figure 23-21 J201 on GPS 20A, as viewed looking at connector on unit
Pin
1 CAN-H
2 CAN-L
3 RS-232 TX 2
4 RS-232 RX 1
5 RS-232 TX 1
6 RS-232 GROUND
7 AIRCRAFT POWER 1
8 AIRCRAFT POWER 2
9 POWER GROUND
23.10.2 Power Function
This section covers the power input requirements. The GPS 20A is compatible with 14V and 28V systems.
AIRCRAFT POWER 1 and AIRCRAFT POWER 2 are "diode ORed" to provide power redundancy.
AIRCRAFT POWER 1
AIRCRAFT POWER 2
POWER GROUND
23.10.3 CAN Bus
The CAN Bus conforms to the BOSCH standard for Controller Area Network 2.0-B, and complies with
ISO 11898. Refer to Section 2.3.1.3
preferred data interconnect for the GPS 20A in a G3X system.
CAN-H
CAN-L
190-01115-01
Rev. AA
Pin Name
Pin Name
for details on wiring the CAN bus. Using the CAN Bus is the
Pin Name
G3X/G3X Touch Installation Manual - LRU Pinouts
Connector Pin
J201 7
J201 8
J201 9
Connector Pin
J201 1
J201 2
Page 23-49
I/O
I/O
I/O
Out
In
Out
--
In
In
--
I/O
In
In
--
I/O
I/O
I/O