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SONET_Usr.bk Page 130 Wednesday, December 13, 2000 11:11 AM
Tandem Connection Monitoring
Tandem Connection Terminating Equipment (TCTE) Testing
18 Check that the OmniBER Receiver detects and displays a B3 BIP and TC-IEC
19 To view results select
20 Set the RESULT TYPE field to
Alarms Testing
Method: Send an invalid VC-4 to the TCTE under test and check that the
OmniBER Receiver registers an TC-IAIS alarm.
21 Press the
22 To generate an invalid VC-n in the OmniBER select the Transmitter TEST
130
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error ratio of 1.000E-05 (for this example), see figure below.
This verifies that the Network Element has correctly copied the B3 count into bits
1-4 of the N1 byte and that B3 is correctly compensated.
RESULTS
key and select
TRANSMIT
FUNCTION folder as shown below and select a AU-LOP, LOF or MS_AIS
Alarm.
and
SDH RESULTS
ERROR SUMMARY
.
RATIOS
SDH
.
.
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