190-01115-01
G3X/G3X Touch Installation Manual - LRU Pinouts
Rev. AC
Page 25-50
25.11 GPS 20A (WAAS GPS Position Source)
25.11.1 J201 Connector
Figure 25-22 J201 on GPS 20A, as viewed looking at connector on unit
25.11.2 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.
25.11.3 CAN Bus
The CAN Bus conforms to the BOSCH standard for Controller Area Network 2.0-B, and complies with
ISO 11898. Refer to
for details on wiring the CAN bus. Using the CAN Bus is the
preferred data interconnect for the GPS 20A in a G3X system.
Pin
Pin Name
I/O
1
CAN-H
I/O
2
CAN-L
I/O
3
RS-232 TX 2
Out
4
RS-232 RX 1
In
5
RS-232 TX 1
Out
6
RS-232 GROUND
--
7
AIRCRAFT POWER 1
In
8
AIRCRAFT POWER 2
In
9
POWER GROUND
--
Pin Name
Connector
Pin
I/O
AIRCRAFT POWER 1
J201
7
In
AIRCRAFT POWER 2
J201
8
In
POWER GROUND
J201
9
--
Pin Name
Connector
Pin
I/O
CAN-H
J201
1
I/O
CAN-L
J201
2
I/O
