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Maintenance Description
9-8 Issue 1 December 1997
In-service (IS) Upgrades 9
Software Upgrades 9
Table 9-1 lists the current software releases of the DDM-2000 OC-12 Multiplexer
that can be directly upgraded inservice. Specific procedures for upgrades are
provided in the TOP section of this manual (Volume II).
Note: All DDM-2000 OC-12 shelves in a subnetwork should be using the same
version of software. An "n" is the latest point release available.
Table 9-1. DDM-2000 OC-12 In-service Software Upgrade Compatibility
(Note)
Current Release
Upgrade to*
5.0.n 5.1/5.2 7.0
†
3.1.n (Ring) C C C
5.0.n (Ring) X X X
5.1/5.2 (Ring) NA X X
7.0 (Ring) NA NA X
∗ When doing an upgrade, it is recommended that the latest point release of
software be used, if possible.
†
All nodes in a network must be upgraded to R7.0. Any nodes running
earlier releases will be isolated until upgraded to R7.0.
C Requires an upgrade procedure with on-site equipment/fiber changes as
well as software download to upgrade the system. Additional changes to
software and equipment provisioning may be needed to use features of the
new release. See TOP section of this manual (Volume II) for upgrade
procedures.
X Requires local or remote software download only to upgrade the system.
NA Not Applicable. If an NA conversion is required, contact your local
Technical Support Organization.
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