change system-parameters maintenance
Issue 1 May 2002
7-77555-233-143
Scheduled Maintenance
Start Time
Hour and minute (24-hour notation) when daily scheduled maintenance starts.
Stop Time
The hour and minute when scheduled daily maintenance ceases. If any daily
maintenance operations are not completed by this time, the system notes its
stopped sequence location and includes those operations during the next
scheduled daily maintenance.
Save
Translation
Indicates days that translation data in memory automatically saves to the hard
disk during scheduled maintenance. The operation saves to disk, then
completes a backup to tape. Translation data saves to both servers. “No”
prevents automatic saves.
Command
Time-out
(hours)
Commands that block the running of daily maintenance (add, remove, change,
set, and duplicate) are affected by the time-out feature.
Options are blank, 1-6 hours. The default is 2 hours. The blank option indicates
that the time-out feature is not active.
Control
Channel
Interchange
Each port network has a pair of TDM busses (A and B). Each has a set of time
slots dedicated to the control channel. One bus at a time carries the control
channel in each PN. Daily, days of the week, or no prevents interchanges. (no)
System
Clocks/IPSI
Interchange
For high- and critical-reliability systems, this option initiates a tone- clock
interchange in each port network possessing duplicated Tone-Clock circuit
packs. Each port network interchanges into the standby Tone-Clock for 20
seconds and then back to the originally-active Tone-Clock. This field indicates
the days that interchanges occur (daily, days of the week, or no). “No” prevents
interchanges. (no)
The system performs a Tone-Clock interchange, activating the stand by
Tone-Clock. After the newly-active Tone-Clock circuit pack is tested, it provides
system clocks for its native port network. Then the system interchanges to the
originally active Tone-Clock circuit pack.
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