IBUC Operation Manual 6-1
Terrasat Communications, Inc.
Rev. A
Chapter 6 IBUC Systems: M&C
Functions
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Description of Operation
For remote operation the IBUC is equipped with a Monitor and Control function. The
IBUC I/O includes an FSK modem interface, an RS-232 interface, an RS-485 interface,
a handheld terminal, an Ethernet interface, one Multi-function LED, and one alarm relay
closure (Form-C).
USER INTERFACES
1) The multi-function LED is mounted on the IBUC housing to provide visual
indications of IBUC status. LED colors and modes are as follows:
Flashing Green - No Alarms
Flashing Red - Minor Alarm being reported
Steady Red - Major Alarm being reported
Major and Minor alarms are defined in the following table. Note that certain alarms
are configurable giving the user the ability to define them as Major or Minor alarms.
Major alarms are the ones that will cause Relay closure (Form-C). The table below
shows the default configuration.
There is a command that allows the user to disable the multi-function LED (See the
Handheld Menu Tree, figure 6.2 and / or the Command List, table 6.9).
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