LTPE-UG-1017-01 Issue 1
Viewing System Status
UTU-731 List 1 and UTU-732 List 1
February 15, 2001
43
Table 16.
Fields Displayed in UTU-731 Main Console Screen
Field
Description
Circuit Configuration
G.703
Indicates the interface standard for G.703 data port.
n TS
Indicates the number of time slots (n) mapped to the G.703
interface.
Timing
Indicates the primary source the unit uses for clock
synchronization:
EXT
External 2.048 MHz clock.
G.703
G.703 port receive clock.
Application mode
Indicates that the Single Pair (SINGLE) application mode is in
effect.
Performance
MAR1
Displays the Margin value for each HDSL interface or displays link
status (SIG, ACQ, etc.) if the link is not up.
MAR2
Reserved
ES1
Displays the Errored Seconds (ES) counts for each HDSL
interface. 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.
ES2
Reserved
Alarms
The Alarms field displays a list of all active alarms at each LTU/NTU and HDSL interface.
Possible LTU/NTU Interface Alarms
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.
Continued
