Issue 8.0 July 2002 9-1
9
Maintenance Description 9
Overview 9
This section defines the maintenance philosophy and outlines the various features
available to monitor and maintain the FT-2000 OC-48 Lightwave System.
Remote Maintenance Philosophy 9
The FT-2000 OC-48 Lightwave System allows operation and maintenance of a
remote network element in a network from the local central office location. In
Release 6 and later releases, the FT-2000 OC-48 Lightwave System also allows
operation and maintenance of a remote network element (for example, a
DDM-2000 Multiplexer) in a subnetwork from any FT-2000 OC-48 ADR Terminal.
The FT-2000 OC-48 Lightwave System uses the synchronous optical network
(SONET) OC-48, OC-3 (Release 6 and later), and OC-12 data communications
channels (DCC) to provide the following:
â– Craft interface terminal (CIT) remote access: The local network element
provides a remote login capability from its CIT to a remote network element
in the local network. In Release 6 and later releases, the FT-2000 OC-48
Add/Drop-Rings Terminal also provides a remote login capability to other
remote network element (for example, a DDM-2000 Multiplexer) in the
same subnetwork.
â– User panel remote access: The user panel provides a far-end activity (FE
ACTY) LED to show that a remote network element in the local network or
alarm group within a subnetwork (Release 6 and later) has a lighted
near-end activity (NE ACTY) LED.
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