Gdu 45X/46X (Display Unit) - Garmin G3X Installation Manual

23.4 GDU 45X/46X (Display Unit)

23.4.1 P4501/4601 Connector
The P4501/4601 connector can be used for connections to the GSU 25 when mounting the GSU 25 to the
back of the GDU 45X/46X
installations, contact Garmin for details before using this method.
Figure 23-7 P4501/4601 on GDU 45X/46X, as viewed looking at connector on unit
Pin
1 CAN BUS HI
2 CAN BUS LO
3 RESERVED
4 RS-232 TX
5 RS-232 RX
6 GND
7 PWR 1
8 PWR 2
9 GND
NOTE
It is recommended to connect the serial port from the GSU 25 (use the GSU 25 designated
as #1 in a multiple GSU 25 installation) to the P4X01 connector regardless of mounting
method used for the GSU 25 per Figure 23-8. Connector kit 010-11825-20 which includes
a 9 pin connector, pins, and metal backshell may be used for the P4X01 connections.
Figure 23-8 GDU 45X/46X to GSU 25 Backup Data Path Connections
190-01115-01
Rev. AA
(Figure 8-3). This mounting method may not be recommended for all
Pin Name
G3X/G3X Touch Installation Manual - LRU Pinouts
I/O
I/O
I/O
--
Out
In
--
--
--
--
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