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Viewing System Status
Table 16. Fields Displayed in UTU-731 Main Console Screen (Cont.)
Field
Margin (MAR)
Errored Seconds (ES)
Loss of Sync Word
(LOSW)
Table 17. Fields Displayed in UTU-732 Main Console Screen
Field
V.35/V.36/X.21/RS-5
30
n k
Timing
INT
EXT
Nx64k
HDSL
Application mode
MAR1
MAR2
ES1
ES2
44
Description
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.
Description
Circuit Configuration
Indicates the interface standard for Nx64k serial data port.
Indicates the data rate (n) mapped to the Nx64k interface.
Indicates the primary source the LTU/NTU uses for clock
synchronization:
Internal oscillator.
External 2.048 MHz.
Serial data port receive clock.
Recovered clock from received HDSL data.
Indicates that the Single Pair (SINGLE) application mode is in
effect.
Performance
Displays the Margin value for each HDSL interface or displays link
status (SIG, ACQ, etc.) if the link is not up.
Reserved
Displays the errored second counts for each HDSL interfaces. The
counts are for the latest 24-hour period, calculated as the sum of
the counts in the previous 95 15-minute intervals, plus the count
in the current 15-minute interval.
Reserved
February 15, 2001
LTPE-UG-1017-01 Issue 1
UTU-731 List 1 and UTU-732 List 1
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