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Chapter 3. Operation
54 TSU 600 User Manual 61200.076L2-1
SES Number of severely errored seconds
(more than 320 errors/second)
UAS: Number of unavailable seconds (10 or
more consecutive seconds)
If insufficient time has passed to collect data, NA is
displayed. Continue with standard operating proce-
dures to exit the display.
When this menu is active, performance data can be
cleared by pressing Clear (shift 9) on the keypad.
Only the user copy of the performance data is cleared.
Since only the user’s copy of performance data is cleared by
the TSU 600, the data displayed here might be different
from the data sent to the network as PRM data.
Network Interface Errors (NI ERRORS)
The NI Errors submenu is used to view the type of
errors detected by the Network Interface (NI). A
blinking CSU error LED indicates that network errors
are detected.
With the cursor on Main menu item 1)STATUS,
activate the menu with Enter or number 1. The unit
displays the first two Status submenu items with the
cursor on
1)NI PERF RPTS.
With the arrows or number 2, select 2)NI ERRORS.
Activate the selection with Enter or number 2. The
unit displays an asterisk (*) above an error type as in
Figure 3-10.