Avaya S8700 Maintenance Manual page 627

For multi-connect configurations

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Most fields on this screen display blanks when the PNC is not duplicated.

Whether or not the system has a duplicated PNC (critical-reliability option).

On a system with duplicated PNC, whether the PNCs are locked by means of the

set pnc lock or reset pnc override-and-lock commands. When this field

displays "yes", spontaneous or demand PNC interchanges are not possible. To

enable interchanges, use the set pnc unlock command.

On a system with duplicated PNC, whether or not the standby PNC is busied out

with the busy pnc command. Interchanges are prevented when the standby is

Whether the system uses direct-connect connectivity or a center stage switch.

On a duplicated system, this field indicates whether the standby PNC has

completed a global refresh of duplicated call setup after being released from a

busyout, or after a system reset.

This field displays "yes" when the anti-thrashing mechanism is in effect,

preventing PNC interchanges. This is the case for 5 minutes after a spontaneous

PNC interchange, and for 30 seconds after a demand interchange. The reset

pnc interchange override-and-lock command overrides antithrashing. This

field does not indicate whether a PNC interchange is currently prevented by a

software lock, by insufficient state of health of the standby, or by busyout of the

This field does not indicate if a partial unrefresh has taken place in

response to a problem on the standby. Only a "functional" state of health

on the standby (all zeros in the state-of-health vector) guarantees that the

standby's call setup matches completely that of the active.

Issue 1 May 2002

Troubleshooting