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Administration and Provisioning
Issue 1 December 1997 8-9
Provisioning 8
The DDM-2000 OC-12 Multiplexer allows the user to customize many system
characteristics through its provisioning features. Provisioning parameters are set
by a combination of on-board switches and software control.
Parameters likely to vary from installation to installation (for example, DS3 LBOs)
and parameters that will not change in service (for example, OC-3 optical power)
are set with on-board switches. This allows installations to be performed without a
CIT using default provisioning values and switch settings. Other parameters that
require a wide range of options or in-service changes are set under software
control. For example, PM thresholds can be customized for each installation using
the CIT.
Default Provisioning 8
Installation provisioning is minimized with default values set in the factory. Each
parameter is given a default. The defaults for software parameters are maintained
in the SYSCTL circuit pack. All provisioning data is stored in nonvolatile memory
to prevent data loss during power failures.
Remote Provisioning 8
Software control of many provisioning parameters allows remote provisioning of
the DDM-2000 OC-12 Multiplexer. This feature is provided especially for
parameters likely to change in service, in support of centralized operations
practices.
Automatic Provisioning 8
Circuit Pack Replacement 8
Replacement of a failed circuit pack is simplified by automatic provisioning of the
current circuit pack values. The SYSCTL circuit pack maintains a provisioning
map of the entire shelf, so when a transmission or synchronization circuit pack is
replaced, the SYSCTL circuit pack automatically downloads values to the new
circuit pack. If the SYSCTL circuit pack is ever replaced, provisioning, for example,
transmission data, except for the LBO settings, from every other circuit pack in the
shelf is automatically uploaded to the nonvolatile memory of the new SYSCTL
circuit pack.
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