ADTRAN TSU 120, Руководство пользователя

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Chapter 3. Operation
61200.129L1-1 TSU 120 User Manual
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Network Interface Errors (NI ERRORS)
The NI Errors menu 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 menu 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 3-9.
*
Figure 3-9
Network Interface Error Type
The asterisk (*) above an item indicates the type of
error 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