Gdu 4Xx (Display Unit); P4501/4601/4701 (P4X01) Connector; Gdu 4Xx To Gsu 25 Backup Data Path Connections - Garmin G3X Touch Installation Manual

25.4 GDU 4XX (Display Unit)

25.4.1

P4501/4601/4701 (P4X01) Connector

The P4501/4601/4701 connector (referred to as P4X01 connector in this section) can be used for
connections to the GSU 25 when mounting the GSU 25 to the back of the GDU 4XX
mounting method may not be recommended for all installations, contact Garmin for details before using
this method.
Figure 25-7 P4X01 on GDU 4XX, 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 25-8. Connector kit 010-11825-20 which includes
a 9 pin connector, pins, and metal backshell may be used for the P4X01 connections.
Figure 25-8 GDU 4XX to GSU 25 Backup Data Path Connections
190-01115-01
Rev. AC
Pin Name
G3X/G3X Touch Installation Manual - LRU Pinouts
(Figure 8-3). This
I/O
I/O
I/O
--
Out
In
--
--
--
--
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