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Installation Procedures
2.7.1.1
Main System Connector (P1)
The basic GDL 90 interface is handled via a standard density male 15-pin D-SUB connector located at
the rear of the unit. The pinout for the connector is defined in the following table.
Table 2-4. Main System Connector Pin-Out (P1)
Pin
I/O
Name
#
1
I
Power +
2
--
Power Ground
3
I
Maint RxD
4
O
Maint TxD
5
--
Control Panel Ground
6
O
APM TxD
7
I
APM RxD
8
--
RESERVED
9
I
Power +
10
--
Power Ground
11
--
Maint Serial Ground
12
I
Control Panel RxD
13
O
Control Panel TxD
14
O
APM Ground
15
--
RESERVED
2-12
Description
Main Aircraft Power Input (+10 to +40 VDC)
Main Aircraft Power Ground
Maintenance Port Serial Data Input
Maintenance Port Serial Data Output
Control Panel Serial Ground
APM Serial Data Output
APM Serial Data Input
RESERVED
Main Aircraft Power Input (+10 to +40 VDC)
Main Aircraft Power Ground
Maintenance Port Serial Ground
Control Panel Serial Data Input
Control Panel Serial Data Output
APM Serial Ground
RESERVED
1
9
View looking at rear of unit
Figure 2-9. 15-Pin Connector
560-1049-00 Rev B
8
15
GDL 90 Installation Manual
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