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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Commands
2-29change system-parameters maintenance
2
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
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.
SPE
Interchange
This field indicates the days SPE interchanges execute during
scheduled maintenance, for duplicated SPE systems. (daily, days of
the week, or no).
No
prevents scheduled interchanges. (
no
)
EXP-LINK
Interchange
This field indicates if expansion links between port-networks
interchange as part of scheduled maintenance. The value
daily
means that EXP-LINK interchanges automatically occur everyday. The
value
no
means that EXP-LINK interchanges do not automatically
occur as part of scheduled maintenance. Values represented by the
days of the week mean that EXP-LINK interchanges automatically
occur automatically on specified days. Since EXP-LINK interchanges
apply to duplicated systems, simplex systems do not display this field.
(
no
)