Airbus Iridium SATCOM System
165E5733-00
L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page
29
Table 3-3 – J1C Bottom Plug (BP) Insert
Pin Size
Description
1 20 Not
Used
2
12 Primary 28 VDC Power Input
3 12 Power
Ground
4 20 Not
Used
5 20 Not
Used
6 20 Not
Used
7 12 Not
Used
8 12 Chassis
Ground
9 16 Not
Used
10 16 Not
Used
11 16 Not
Used
12 5 Not
Used
13 5 Iridium/GPS
Antenna
Figure 3-9 – SDU Connector Map
3.5.1 Power
Input
The Airbus Iridium SATCOM System is powered by +28 VDC.
3.5.2 Chassis
Ground
For redundant chassis ground connection only. Not to be used as a normal current carrying
conductor.
Quantity: 1
Format:
DC Chassis Ground