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Alarm history at the hdsl2 interface, Alarm history at the hdsl2 i – ADC HiGain H2TU-C-319 List 4E User Manual

Page 54

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Monitoring System Activity and Performance

LTPH-UM-1049-02, Issue 2

46

January 9, 2002

H2TU-C-319 List 4E

Alarm History at the HDSL2 Interface

Figure 27

shows the H2TU-C HDSL2 alarm history and

Table 18

describes the alarms.

Figure 27.

H2TU-C HDSL2 Alarm History Screen

DBER

xxx-DBER

Bit Error Rate—The DS1 BER has exceeded the built-in 24-hour threshold limits of
approximately 10

-6

. (xxx denotes either TUC or TUR.)

(a) This is a DS1-specific alarm that also issues a minor alarm (sent to the management unit or the backplane), if enabled.
(b) AIS-CI is a modified AIS alarm pattern. Equipment not suited to detect AIS-CI still detects this signal as an AIS. AIS-CI is sent

toward the network indicating that an LOS (RLOS) or AIS (RAIS) has been received from the CPE.

Table 17.

DS1 Alarm Descriptions (Continued)

Screen Alarm

Front-Panel Alarm Description

Monitor

Performance

Event Log

Config

Inventory

Report

Rlogon

Help

H2TU-C HDSL2 Alarm History

-----------------------------------------------------------------------------

Alarm

First

Last

Status

Count

MTAE

OK

0

MTAF

OK

0

LOSW

OK

0

MAL

OK

0

LA

OK

0

HBER

08/16/01 00:37

08/16/01 00:45

OK

7

SHORT

OK

0

GND

OK

0

OPEN

OK

0

Press: C(l)ear Alarm History

------------------------------------------------------------------------------

Use to cycle through

Interface

:

H2TU-C HDLS2

choices and to view

Statistics :

Alarm History

ID: xxxx--xxxx--xxxx--xxxx

08/01/2001 07:05:33

H2TU-C

System: Alarm