User's Manual

Airbus Iridium SATCOM System
165E5733-00 L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page 39
4.3.2 Antenna Mounting
A .020 Thick Conductive Gasket is provided. L-3 recommends using (4) screws, MS24693-C274 for
mounting the Airbus Iridium Antenna – see Figure 4-3.
Figure 4-3 - Iridium Antenna, Gasket
4.3.3 Coaxial Cable
Iridium SATCOM System Coaxial Cable: This is an RF Cable designed to cover the frequency range
from 1565 MHz to 1626.5 MHz for Iridium transmit / receive operations and GPS reception. It is a
low-loss, aircraft-grade cable that will be mounted in the aircraft fuselage. This cable provides the
interconnection between the Iridium SATCOM System Satellite Data Unit and the Iridium Antenna.
The Coaxial Cable has an ARINC Size 5 coaxial contact installed on one end and a TNC male
connector installed on the other.
There are three possible lengths for this Coaxial Cable. They are designated by the last two digits of
the part number (01, 02 or 03) as listed below:
024E5733-01
024E5733-02
024E5733-03