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Testing
Alarm Option for DLC Feed
To improve HDSL4 compatibility with the switch-to-protect features used in DLC feeder applications, the
H4TU-C-319 has an Alarm Pattern (ALMP) option that allows you to select either an AIS or LOS DS1 output
payload for the following alarms:
•
LOSW on any loop
•
LOS DS1
Retiring System Alarms
To retire a system alarm, press the SEL pushbutton to execute an Alarm Cutoff (ACO). An ACO turns the alarm
off and replaces the ALRM message with an ACO message. The second part of the ALRM message, which defines
the cause of the alarm, remains. Both parts of the message remain until the alarm condition clears or another higher
priority alarm occurs.
44
September 12, 2003
LTPH-UM-1031-03, Issue 3
H4TU-C-319 List 1
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