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Administration and Provisioning
Issue 3 June 2001
8-15
Provisioning 8
General 8
The DDM-2000 OC-3 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 and parameters that will
not change in service (for example, DS1 and DS3 line buildouts) 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, performance monitoring (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-3 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
(transmission, for example) data except for the line buildout (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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