Verilink PRISM 4101 (34-00230) Product Manual - Manual (Page 47)

Main Menu 35
Bit Errors
Displays the total number of bit errors detected since the test began or since error
statistics were cleared (up to a maximum number of 999,999).
Errored Seconds
Displays the number of asynchronous errored seconds that have been detected
since the test began or since error statistics were last cleared. This parameter
includes bit error seconds and sync loss seconds.
% EFS
Displays the percentage of Errored Free Seconds. This number is derived from the
number of error free seconds divided by the number of seconds accumulated in the
Elapsed Time field.
Start Test
Pressing Return with the cursor on this field starts the selected test pattern. Once
the test has started, TEST IN PROGRESS appears. To end the test, press Return
with STOP TEST highlighted.
Reset Errors
Pressing Return with the cursor on this field causes the test error results to be
cleared to zero. The test continues running.
NET/DTE Status
Displays the fault status of the network and the far end DTE. They indicate current
fault conditions. They do not indicate that alarm thresholds are exceeded. Table 4-3
displays the status indicators.
Near Loops
Displays the loop status of the near element.
Far Loops
Displays the loop status of the far element.
Configuration The Configuration menu (Figure 4-7) allows you to view and set configuration
parameters for the network elements. To send a new configuration to the unit, you
Table 4-3 NET/DTE Status Indicators
Alarm Description
OK No alarm although errors may exist which do not exceed thresholds.
LOSS Loss Of Signal Seconds.
OOSS Out Of Service Seconds.
OOFS Out Of Frame Seconds.
No status is Available
DBA Dial Backup is Active.
DBF Dial Backup failed.
DTR The DTE port sees the DTR signal as low.