DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures
9-596DS1-BD (DS1 Interface Circuit Pack)
9
Major Alarm Inquiry Test (#142)
The Major alarm raised by a DS1 Interface circ uit pack indic ates that the average
bit error rate on the DS1 facility is greater than 1/1000. The Major Alarm In quiry
Test is used to determine that the received DS1 bit error rate is greater than
1/1000. When D4 framing mode is selec ted, the DS1 Interface circuit p ack takes
16 seconds to recog nize and report a Major alarm and 16 seconds to recog nize
and report that a Major alarm c ondition is cleared. If ESF framing mode is
selected, the DS1 Interface c ircuit pack takes 10 s econds to recognize a nd
report a Major alarm and 10 sec onds to recognize and report that a Major alarm
condition is cleared .
When the DS1 Interface circuit pac k detects a Major alarm, it will send a
MAJOR-ALARM message to the maintenance software. After the maintenanc e
software receives a MAJOR-ALARM message, the Major Alarm Inqui ry Test is
initiated to confirm the Major alarm on the DS1 Interfac e circuit pack. The Inquir y
Test will be run every 10 minutes until the Major alarm is cleared. The
maintenance software places all t runks on the circuit pack in the out-of-service
state if the Major alarm persists for more than 20 minutes.
When the Major alarm is cleared, the maintenanc e software restores all trunks on
the circuit pac k to their previous service state before a Major alarm occurs.
Table 9-241. TEST #142 Major Alarm Inquiry Test
Error
Code Test
Result Description/ Recommendation
ABORT Internal system error
2100 ABORT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals a maximum of 5 times.
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