ADC H2TU-C-319 Manuel d'utilisateur télécharger pdf (Page 55)

LTPH-UM-1049-02, Issue 2 Monitoring System Activity and Performance

H2TU-C-319 List 4E January 9, 2002 47

Table 18. HDSL2 Alarm Descriptions

Screen Alarm Front-Panel Alarm Description

MTAE MTAE Metallic Test Access Equipment—The H2TU-C is in its MTA/LOSW test state.

MTAF MTAF Metallic Test Access Facility—The H2TU-C is in its MTA/LOSW test state.

LOSW LOSW Loss of Sync Word—The HDSL2 loop has lost synchronization.

MAL xxx-MAL Margin—The margin on the HDSL2 loop has dropped below the minimum threshold value

set for the system. (xxx denotes either TUC or TUR.)

LA xxx-LA Loop Attenuation—The attenuation on the HDSL2 loop has exceeded the maximum value

set for the HDSL2 loop attenuation threshold. (xxx denotes either TUC or TUR.)

HBER xxx-HBER Block Error Rate—The HDSL2 BER has exceeded the set threshold limits of 10

-6

or 10

- 7

(xxx denotes either TUC or TUR.)

SHORT

(a)

PWR FEED SHRT Indicates a short between the Tip and Ring of the HDSL2 pair.

GND

(a)

(a) Displays only on the H2TU-C HDSL2 interface.

PWR FEED GND The HDSL2 loop is grounded.

OPEN

(a)

PWR FEED OPEN Indicates a line power open condition.

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ADC H2TU-C-319 Manuel d'utilisateur Page 55