Zhone IMACS 8000, User Manual

Page: 339 / 788

System Cards 9-39
WAN Card WAN Card User Screens and Settings
Table 9-8 lists the actions available from the Performance Data Screen.
Table 9-8. Performance Data Screen Actions
ES
An Errored Second (ES) is a second with one or more CRC-6 (ESF), BPV (D4/D-Frame), or
CRC-4 (E1) errors, one or more Out-Of-Frame (OOF) errors, or one or more Controlled Slips.
UAS
An Unavailable Second (UAS) is any second during which service is unavailable. An
unavailable signal state is declared after ten consecutive Severely Errored Seconds (SESs) are
logged. An unavailable state is cleared after ten consecutive non-Severely Errored Seconds
are logged. Unavailable Seconds are also accumulated if the card has an out-of-service (OOS)
condition.
SES
A Severely Errored Second (SES) is any second with 320 or more CRC-6 (T1 ESF), BPV (T1
D4/D-frame), or CRC-4 (E1) errors. Or, an SES can be any second with one or more
Out-Of-Frame (OOF) errors.
BES
A Bursty Errored Second (BES) is any second with more than one and fewer than 320 CRC-6
(ESF), BPV (D4/D-frame), or CRC-4 (E1) errors.
Action Function
Refresh Because statistics are not calculated in real time, the Refresh command
must be used to update the screen with new information.
pgUp Pages through the performance statistics for the current 15 minute period
and periods 96-1.
pgDn Pages through the performance statistics for the current 15 minute period
and periods 1-96.
uSerregs Allows you to view the User Registers. Not shown for E1 operations
because it is the only set of registers for that mode.
Networkregs Allows you to view the Network Registers. When you are viewing the
network registers, the Clear Registers option disappears. (This action is
not available in D4 mode or E1 operations.)
Clearregs Clears the User Registers. Network statistics remain the same.
Main Returns to the WAN Card Main Screen.