ADC ETU-751C - Manual (Page 64)

Viewing Status 700-701-100-02
54 August 9, 2002 UTU-701 and ETU-751 List 1
LTU and NTU Interface Alarm History Screens
At the History LTU or History NTU Interface menu, type the key to select an Alarm History status screen. The
LTU Interface Alarm History screen is shown in Figure 37 .
Figure 37. LTU Interface Alarm History Screen
Table 27 describes the four columns of data contained in the LTU Interface and NTU Interface Alarm History
screens. If no alarm has occurred since the last alarms were cleared, the message "No alarms reported" displays
on the appropriate line for each alarm.
Only the Alarm History screen is available for the LTU and NTU interfaces. The 24 Hour and
7 Day History screens, as well as the Alarm History screen, are available for HDSL Span 1.
Table 27. LTU Interface and NTU Interface Alarm History Data
Column Description
Alarm Type of alarm: LOS, LFA, AIS, RAI, and LOC
First Date and time the alarm first occurred
Last Date and time the alarm last occurred
Count Number of times the alarm has occurred since the alarms were last cleared
(a) Not available on Nx64k serial data port units.
A