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Table 5-56. SHDSL Loop 1 Alarm Threshold Menu Options (Continued)
Option
Alarm Threshold
4
SES 15 Minute
5
UAS 15 Minute
6
LOSWS 15 Minute
7
CVC 15 Minute
61179605L5-5B
Section 5, User Interface - Menu Descriptions
Description
This option is used to enable or disable the Severely
Errored Second setting.
SES 15 minute threshold is a count of 1-second
intervals during which at least 50 CRC anomalies are
declared or one or more LOSW defects are declared. 50
CRC anomalies during a 1-second interval are
equivalent to a 30% errored frame rate for a nominal
frame length.
The parameters for SES are 1 to 900 seconds.
This option is used to enable or disable the Unavailable
Second setting.
UAS 15 minute threshold is a count of 1-second
intervals for which the SHDSL line is unavailable. The
SHDSL line becomes unavailable at the onset of 10
contiguous SESs. The 10 SESs are included in the
unavailable time. Once unavailable, the SHDSL line
becomes available at the onset of 10 contiguous seconds
with no SESs. The 10s with no SESs are excluded from
unavailable time.
The parameters for UAS are 1 to 900 seconds.
This option is used to enable or disable the Loss of
Synchronization Word Failure setting.
LOSWS 15 minute threshold is a count of 1-second
intervals during which one or more SHDSL LOSW
defects are declared.
The parameters for LOSWS are 1 to 900 seconds.
This option is used to enable or disable the Code
Violation Count setting.
CVC 15 minute threshold is a count of the SHDSL CRC
anomalies occurring during the accumulation period.
The parameters for CVC are 1 to 65535 errors.
5-79
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