Maintenance-Object Repair Procedures
555-233-143
8-1284 Issue 1 May 2002
PNC-DUP Related Commands
The following commands and their output forms are fully described in Chapter 7,
‘‘Maintenance Commands’’.
Busyouts and PNC-DUP
Busyout pnc puts the standby PNC in the busyout state. In this condition:
1. Double call set up is turned off.
2. The standby PNC is unrefreshed; existing duplicate call connections are
removed.
3. PNC interchanges are prevented.
Upon release, interchanges are re-enabled and a global refresh of double call
setup on the standby is performed.
When PNC duplication is in effect:
■ An active PNC component cannot be busied-out.
■ A standby PNC component can only be busied-out when the standby PNC
is first busied-out.
■ The standby PNC cannot be released unless all standby PNC components
are released.
status pnc This command displays information about the operational
status of both PNCs including state of health, alarms, busyouts
and locks, and so on.
reset pnc
interchange
This command is used to initiate a demand PNC interchange.
If the standby is healthy (state of health indexes all zero), there
is no effect on service. Otherwise, calls may be dropped.
set pnc This command is used to lock or unlock the active PNC,
preventing interchanges. It does not interfere with double call
setup.
busyout pnc This removes the standby PNC from service. See also the
following section on busyout of PNC components.
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