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3-2.5.3.1
3-2.5.3.2
August 2013
The following actions also occur when any trouble condition is reported:
•
The Trouble LED on the display flashes
•
The internal buzzer pulses
•
The Trouble Relay de-energizes to transfer the Trouble contacts
•
The trouble event is stored in the event log
•
The trouble message is transmitted to peripheral devices such as RDCMs and
ATM-Ls, if applicable
•
The trouble message is communicated via the RS-232 ports.
•
Point- or group-specific and general trouble outputs activate, including
previously silenced outputs.
What to Do When a Trouble Occurs
Press the <ACKNOWLEDGE> Key to change the Trouble LED from flashing
to steady and to silence the internal buzzer.
It will be necessary to press the <ACKNOWLEDGE> Key once for each
trouble report if multiple unacknowledged trouble events are present and
the
multiple-trouble-event-acknowledgment-option
selected. (See Paragraph 3-2.5.2.4.37 to enable the multiple trouble
event acknowledgment options.)
Each acknowledged trouble event (or block of events when the multiple-
trouble-event-acknowledgment option is used) will disappear from the
display. The display changes to indicate the next unacknowledged trouble
event in the case of multiple trouble events. The active troubles can be
manually displayed in order of occurrence using the <SCROLL> Key at this
time after all trouble events have been acknowledged. A summary of the
number of active trouble events will be displayed as shown in Figure 3-8
at the conclusion of each manual scroll cycle.
Number of Troubles
003 ACTIVE TROUBLES REMAIN
PRESS SCROLL TO VIEW
Figure 3-8. Typical Message After Trouble Manual Scroll Cycle
A trouble event that occurs after all previous trouble events are
acknowledged
Paragraph 3-2.5.3.
Trouble Resound
The internal buzzer will resound if one or more acknowledged trouble
conditions are still active 24 hours after they were acknowledged. The
display will show the following message:
24-HOUR TROUBLE REMINDER
PRESS ACKNOWLEDGE TO SILENCE BUZZER
Figure 3-9. 24-Hour Trouble Reminder Message
Press the <ACKNOWLEDGE> Key to silence the buzzer. The resound
trouble signal will also be automatically retransmitted to the supervising
station. Retransmission is accomplished by energizing the trouble relay for
one minute and then de-energizing it.
will
re-initialize
the
3-98
has
Trouble
State
as
P/N 06-236530-001
not
been
defined
in
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