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C700 - Marine Satellite Communication System
Chapter 7. Operating BDU
The BDU and ADU are connected by a single coaxial cable through which power and Ethernet data are deliv-
ered between the BDU and ADU. The BDU is responsible for all the terminal management, system monitoring,
control, error detection, and maintenance operations.
7.1 BDU Front Panel
The following gure shows the BDU's front panel.
LED Indicator Power Button
The following table shows status indicators on the face of BDU.
LED Indicator Color Description
Power
Off The BDU is powered off.
Blinking
The BDU is booting a system.
The BDU is calibrating a system.
The system is in error.
There is no SIM card inside BDU.
Steady Green The BDU is powered on.
Satellite
Off The antenna is not connected to a satellite.
Blinking
The antenna is acquiring a satellite.
The antenna is searching for a satellite.
Steady Green The antenna is connected to a satellite.
Event
Off The antenna has no event (call or data).
Blinking
The antenna has an alert, an unread message, an incoming
call.
Steady Green The antenna has a voice or data.
NOTE: When 3 LEDs blink simultaneously, the BDU is in a low power state. Check the current input voltage
status.
Figure 37: BDU Front Panel
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