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Common Port Media Module Maintenance is a set of common tests used by all the Media Modules listed in the tables below. The XXX-BD designation is also used on SAT displays when reset board is entered with an empty Media Module slot, or with a Media Module type that is in conflict with the actual board type administered for that slot. All Media Module suffixes (B,C, D, and so forth) are supported by "XXX-BD."
When any of the Common Port Media Modules are physically removed from the backplane, no alarm will be logged for approximately 11-minutes. (In the case of the MM712 Digital Line, MM720, and INTUITY AUDIX, approximately 21-minutes will elapse before an alarm is logged.) When a Media Module that has been removed is alarmed, the alarm type is minor and is classified as an on-board alarm. The time delay permits maintenance activity to be performed without triggering an additional alarm.
Alarms are logged against only those common port Media Modules on which ports have been administered. In a heavily loaded system, the interval between the removal of a Common Port Media Module and the logging of the alarm may be several minutes longer. Suffixes are not shown; for a list of all Media Modules supported, see the table in Chapter 2. Those that appear in bold type are documented separately under their own maintenance object name.
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