363-206-285
System Introduction
1-14 Issue 3 June 2001
â– New Features:
— S1-byte Synchronization Messaging. Uses the S1 byte of the
SONET overhead to pass timing status information to different
nodes in a loop-timed network. Synchronization messaging mode
(S1 byte or K2 byte) is provisionable on a per-OC-3 basis.
— Enhanced DS1 PM. Provides 15 minute bins for DS1 path and line
PM data.
— Fourth Level of Security. A new Maintenance security level, which
allows access to Reports and some maintenance activities is
provided in addition to the three current levels of privileged, general,
and reports-only.
— Quad-DS1 electrical loopbacks. Provides an electrical facility
loopback of four DS1 interfaces from a given BBF1B or BBF3 DS1
circuit pack.
— Large networks. Supports DDM-2000 and FiberReach networks of
up to 50 nodes.
— CPro-2000, ITM SNC support. Release 9.1 is supported by
CPro-2000 Releases 5.0 and 6.0, and ITM SNC Releases 2.2
and 4.0.
— 27G2-U OLIU. The new 27G2-U OLIU supports the new cross-
connects necessary to provide enhanced FiberReach topologies.
Release 11.0 is an enhanced ring release which provides all the features of
Release 9.1. In addition, Release 11.0 supports the following applications and
features:
â– New Applications:
— OC-12 high-speed optics for OC-3 shelf. Increases ring capacity by
providing low-speed DS1 and FiberReach services directly from an
OC-12 ring via the OC-3 shelf. Minimizes need for back-to-back
equipment. Supports mixing of OC-3 and OC-12 shelves on the
same ring during upgrades.
— Enhanced FiberReach topologies. Supports a hairpin local drop of
traffic from an OC-1 ring terminated on 27G2-U OLIUs in a function
unit to a DS1/EC-1/OC-3 interface in the other function unit group.
The 27G2-U is required for these applications. Release 11.0 also
supports mixing of local drop, pass-through, and 0x1 cross-connect
types.
— Multi-media Data Services: A new DS3 interface provides the
flexibility to offer a full range of multi-media data services via
embedded and new DDM-2000 networks. This full-solution offering
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