ADTRAN 1200212L1, Руководство пользователя

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Chapter 10. Statistics
61200212L1-1 DSU IQ User Manual 10-29
Network Port Statistics Available on Front Panel
DSU Loop State
Current state of the incoming DDS circuit. Possible states are listed
in Table 10-1 on page 10-8.
DBU Status
Current state of the incoming DBU circuit.
Signal State
Current state of the network port (up or down).
Signal State Change
Number of changes in the signaling protocol state.
Signal Timeouts
Total T391 timeouts that have occurred since the last reset.
Signal Errors
Total signal frames received with PVC signaling protocol
violations.
Frames In
Total received frames since last reset.
Frames Out
Total transmitted frames since last reset.
Errored Frames
Total errored frames received since last reset.
CRC Errors
Number of frames received with CRC violations.
Abort Frames
Total frames received without a closing flag.
Octet Align
Number of frames received with a bit count that does not fall
on 8-bit boundaries.
Port UA Time
Time in seconds the network port is unavailable for data delivery.
This can mean that the DDS link is down or in test, or that the PVC
signaling state is down.