Paradyne HotWire 7914 User Manual page 35

Monitoring the Unit
6-4
For example, pressing 1 at the stats prompt yields a screen like the following:
stats 1
Current 1 minute:
SDSL Errors:
FAW – 0
CRC – 0
FEBE – 0
Previous 1 minute:
SDSL Errors:
FAW – 0
CRC – 0
FEBE – 0
stats
Performance statistics have a maximum value of 65,536. If the maximum
value is reached, the statistic resets to zero.
Performance statistics are updated every second.
T1 Errors (BPV, MOS, FAS, and CRC) are only displayed for
DSX-1-compatible units that are operating in framed mode.
Interface Counter
SDSL FAW
CRC
FEBE
T1 BPV
MOS
FAS
CRC
February 1998
T1 Errors:
BPV – 0
MOS – 0
0 (D4 framing only)
FAS –
0 (ESF framing only)
CRC –
T1 Errors:
BPV – 0
MOS – 0
0 (D4 framing only)
FAS –
0 (ESF framing only)
CRC –
Meaning
Frame Alignment Word. Loss of synchronization
was detected.
Cyclic Redundancy Check. An invalid CRC value
was detected.
Far End Bit Error. An error was reported by the
remote equipment.
Bipolar Violation. Two consecutive pulses of the
same poalrity were detected.
Multiframe Out of Sync. Loss of synchronization
was detected.
Frame Alignment Signal. A loss of signal was
detected. (Shown only when Framing is set to D4.)
Cyclic Redundancy Check. An invalid CRC value
was detected. (Shown only when Framing is set to
ESF.)
7914-A2-GB20-00