ADTRAN Total Access 1240, Установка и эксплуатация, Страница: 118 / 146

Total Access 1240 Installation and Maintenance Practice
5-78 61179605L5-5B
SHDSL Loop 1 Alarm Thresholds Menu
The SHDSL Loop 1 Alarm Thresholds menu (see
Figure 5-59 ) is used to enable, disable, or set
the thresholds for each interval. When set, each threshold dictates the level or number of
alarm counts at which an SNMP trap is sent.
Figure 5-59. SHDSL Loop 1 Alarm Thresholds Menu
The SHDSL Loop 1 Alarm Thresholds menu options are described in Table 5-56 .
Table 5-56. SHDSL Loop 1 Alarm Threshold Menu Options
Option Alarm Threshold Description
1 SNR Margin This field is used to enable or disable the Signal to Noise
Ratio Margin.
The SNR Margin sets a threshold from 0 to 15 dB, which
is used to determine alarm status.
The parameters for SNR Margin are 1 to 15 dB.
2 Loop Attenuation This option is used to enable or disable the Loop
Attenuation setting.
Loop Attenuation is used to set a loop loss value from 1
to 27 dB, which determines alarm status.
The parameters for Loop Attenuation are 1 to 127 dB.
3 ES 15 Minute This option is used to enable or disable the Errored
Second setting.
ES is a count of 1-second intervals during which one or
more Cyclical Redundancy Check (CRC) anomalies are
declared and/or one or more LOSW defects are declared.
The parameters for ES are 1 to 900 seconds.
09/01/05 03:10
Total Access 1240
SHDSL Loop 1 Alarm Thresholds
1. SNR Margin : Disabled
2. Loop Attenuation : Disabled
3. ES 15 Minute : Disabled
4. SES 15 Minute : Disabled
5. UAS 15 Minute : Disabled
6. LOSWS 15 Minute : Disabled
7. CVC 15 Minute : Disabled
Selection:
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