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UAS 7002 NIU
3-17
GDC 087R706-000-02
Severely Errored Seconds – a Severely Errored Second contains more than 320 CRC
errors or an OOF event; the alarm occurs when Severely Errored Seconds exceed
configured interval and threshold limits. A near-end alarm is based on data being received
at the local UAS 7002 NIU; a far-end alarm is based on data being received at the remote.
Unavailable Seconds – an Unavailable Second is one in which the unit cannot pass data;
the alarm occurs when Unavailable Seconds exceed configured interval and threshold
limits. A near-end alarm is based on data being received at the local UAS 7002 NIU; a far-
end alarm is based on data being received at the remote.
Background Block Errors – Background Block Errors is a count of the number of data
blocks received that contain detectable errors; the alarm occurs when the count exceeds
configured interval and threshold limits. A near-end alarm is based on data being received
at the local UAS 7002 NIU; a far-end alarm is based on data being received at the remote.
Line Code Violations – a Line Code Violation occurs when the signal received at the E1
interface does not alternate between signal levels as required for HDB3 data encoding; the
alarm occurs when Line Code Violations exceed configured interval and threshold limits.
The unit monitors only near-end Line Code Violations.
Maintenance
The terminal interface Maintenance screen displays information about the unit and provides three
specialized control functions: Soft Reset, Reset to Factory Defaults, and Reset Statistics. Figure
3-11 illustrates the Maintenance screen.
Figure 3-11
Maintenance Screen
The information display identifies the serial number and firmware revision level of the unit.
UAS 7002 Maintenance
Serial Number: 0078040509970001
Firmware Rev.: D-
[1] Soft Reset
[2] Reset to Factory Default
[3] Reset Statistics
[0] Return to Main Menu
Select: [1]