ADTRAN TSU 600, Руководство пользователя

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Chapter 3. Operation
61200.076L2-1 TSU 600 User Manual
55
*
Figure 3-10
Network Interface Error Type
The asterisk ( * ) above an item indicates the type of
errors detected. The error types are the following:
CRC CRC-6 bit errors based on the FDL. This is
valid only in ESF mode.
BPV Bipolar violations.
XS0 Excess zeros.
FER Framing errors.
Active Alarms
This menu item displays a list of current alarms
reported by either the base controller or any of the
ports. If no alarms are current, using this menu item
displays
End of List .
This display includes two lines of text. The top line is
the alarm source. The bottom line is the alarm mes-
sage. A list of alarm messages is found in the appen-
dix,
TSU 600 System Messages.
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 3 , select 3)Alarms.
Activate the selection with Enter or number 3 . The
unit begins the display of alarm messages and their
identified source. See Figure 3-11. Continue with
standard operating procedures to exit the display.