ADC ETU-751C - Manual (Page 53)

700-701-100-02 System Configuration
UTU-701 and ETU-751 List 1 August 9, 2002 43
HDSL Span 1 Alarms
1 Type at the Config Alarms drop-down menu to display the Config Alarms HDSL Span 1 menu ( Figure 27 ).
Figure 27. Config Alarms HDSL Span 1 Menu
2 Do the following for each interface option to be changed. The fields displayed in the Config Alarms HDSL
Span 1 menu are described in Table 21 on page 44 .
• Use the or key to select the sub-menu item to be changed.
• Use the to toggle to the appropriate option or type in the correct information, then press
to select the option.
Table 20. Fields Displayed in Config Alarms LTU and Config Alarms NTU Interface Menus
Field Description
Loss of Signal (LOS) Loss of signal at the G.703 input.
Loss of Frame Alignment (LFA) Loss of frame alignment at the G.703 input.
Receive Alarm Indication Signal (AIS) Alarm indication signal (unframed all ones) received at the G.703 input.
Remote Alarm Indication Signal (RAI) Remote alarm indication signal received at the G.703 input (through A-bit).
Loss of Clock (LOC) Applies to loss of external clock when EXT timing is used. The external clock was lost for
the previous second. This alarm is reset when the clock is active again.
1
↑ ↓
SPACEBAR
ENTER