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Viewing Status
Information Displayed in Main Console Screen (Cont.)
Field
Loss of Clock
(LOC)
Margin (MAR)
Errored Seconds
(ES)
Loss of Sync
Word (LOSW)
Power Feed Open
(PFO)
Power Feed Short
(PFS)
M
S
ONITOR
The Monitor screens display the signal activity at the LTU/NTU serial data
port, and the 24-hour error counts and other information from the HDSL
Span 1 interface.
Monitor LTU and NTU Interface Screens
The following table lists the information displayed in each field of the
Monitor LTU and Monitor NTU Interface screens.
20
Description
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.
Possible HDSL alarms
Margin has fallen below threshold set for the HDSL interface.
Errored seconds count has exceeded threshold set for the HDSL
interface.
Loss of sync word at the HDSL interface. Remains active during
restart, but not a cold start.
Not supported. These units do not supply power to other units.
Not supported. These units do not supply power to other units.
CREENS
June 5, 2002
700-701-900-02, Revision 02
UTU-701C and ETU-751C List 1
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