363-206-295
System Introduction
1-8
Issue 1
December 1997
DDM-2000 OC-12 Multiplexer
Release 7.0
1
Release Description
1
NOTE:
DDM-2000 OC-12 Release 7.0 is NOT compatible with previous releases of
DDM-2000 OC-12. Therefore, when upgrading a subnetwork, care should
be taken to avoid isolating NEs that have not yet been upgraded to Release
7.0.
The following paragraphs provide brief descriptions of the DDM-2000 OC-12
Multiplexer Release 7.0:
Release 7.0 is an enhanced ring release which supports all features of R5.x. In
addition, it supports the following:
■
New Applications:
— Interworking with Tellabs
TITAN
*
5500/S Release 5.0 Digital
Cross-Connect System.
■
New Features:
— Target ID Address Resolution Protocol (TARP) and Bellcore-
compliant 2.6 standard OSI stack for intervendor operations
Interworking (OI).
■
Provides for large networks up to 256 NEs via level 1 area
provisioning and level 2 routing.
— Enhanced software download. Provides a software copy capability
allowing compressed files containing the new software generic to be
downloaded to the DDM-2000 system. This can be done while the
current version is still running without affecting the operation of the
system. When the appropriate command is initiated, the new
generic is executed. Execution of the new generic can be scheduled
(time and date), allowing coordination of cutover of several NEs in
the subnetwork.
— New IntrAOffice LAN between DDM-2000 and ITM SNC for
enhanced software download and OS access.
— New stratum 3 timing generator circuit pack (BBF4). The TG3
operates with an internal oscillator of
±
4.6 ppm long term accuracy.
*
TITAN is a trademark of Tellabs, Inc.
