Table of Contents
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Introduction
This chapter has the following sections:
• EXPLORER 3075GX Manual-Deploy Fly-Away System for Inmarsat GX
• Description of the system components
2.1
EXPLORER 3075GX Manual-Deploy Fly-Away
System for Inmarsat GX
2.1.1
Overview
The EXPLORER 3075GX is a manual-deploy 75 cm fly-away antenna system, designed for
operation in the Ka-band. The integrated GX modem, also known as the iDirect Core
Module, facilitates the acquisition of an operational satellite based on the terminal's GPS
location. All of the EXPLORER series terminals are easy to install, set up, and commission by
a non-specialist technician. The system has the following major components:
1. 2-axis manual-control antenna positioner with Inter-Facility Link and cabling interface
ports for Block Up-converter (BUC) power.
2. Reflector and RF assembly including filter/polarizer, BUC, and Low Noise Block Down-
converter (LNB).
3. Electronics enclosure with antenna control unit and GX Modem Unit, keypad, display
and LAN ports.
The antenna provides a stable RF link and the modem provides IP services on the RF link.
The IP services are provided via a switch in the antenna subsystem, which is controlled by
98-144390-C
Figure 2-1: Major system components
Chapter 2
2
Reflector & RF
assembly
Keypad and
display in
electronics
enclosure
LAN ports, WiFi
and AC power
2-1
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