EXPLORER 6075LX Stabilized Auto-Acquire Antenna System for Inmarsat Global Xpress
98-165591-B
Chapter 2: Introduction
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System units
The system has the following system units:
1. One 2-axis motorized antenna positioner with Inter-Facility Link and cabling interface
ports for BUC power.
2. Reflector and RF assembly including filter/polarizer, BUC, and LNB (Low Noise Block
Down-converter).
3. Base Unit with antenna control unit, GX modem unit, keypad, display and local IP ports.
The antenna provides a stable RF link and the built-in modem provides IP services on the RF
link.
The IP services are provided via a switch in the antenna subsystem, which is controlled by
the GX modem. Status information from the GX modem is provided via the antenna
subsystem. The antenna subsystem can be monitored and software upgraded from the
earth station via the GX modem.
Figure 2-1: Major system components
Reflector
RF assembly
Antenna positioner with
GNSS module
Base Unit with keypad and
display, WLAN module, GX
modem unit, DC power and
local IP ports
