Name: Lucent Technologies DDM-2000 OC-3
Brand: Lucent Technologies
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363-206-285

Operations Interfaces

Issue 3 June 2001

6-15

(GUI). Through these functions, ITM SNC is able to support TL1/X.25

communication multiplexing or concentration, to provide network security, and to

record all database changes. ITM SNC also provides a cut-through capability,

allowing the ITM SNC user to access an NE through its native (TL1) command

set.

ITM SNC operates as an enhanced graphical tool and as a general configuration

management aid. It provides NE, port, cross-connection, and path provisioning,

as well as flowthrough from provisioning OSs to NEs. ITM SNC also provides fault

management through subnetwork alarm and event pre-processing prior to

sending fault information to a network surveillance system such as Telcordia’s

Network Monitoring and Analysis-Facility (NMA-F).

IAO LAN Interface 6

DDM-2000 OC-3 R13.0 and OC-12 R7.0 support an IntrAOffice LAN (IAO LAN)

interface for operations data communications. The IAO LAN is necessary to

support the following ITM SNC R5.0 features:

■ITM SNC as the TL1-GNE for DDM-2000

■ITM SNC software download to DDM-2000.

Because the IAO LAN is effectively an extension of the SONET DCC, the IAO

LAN may also be used to join multiple, otherwise separate subnetworks. All NE-

to-NE OI features that are supported by DDM-2000 OC-3 R13.0 and OC-12 R7.0

over the DCC are also supported over the IAO LAN.

The IAO LAN interface is a software-only enhancement to DDM-2000 OC-3 R13.0

and OC-12 R7.0. The current DDM-2000 overhead controller (OHCTL) circuit

packs already support the IAO LAN interface (via an RJ45 connector).

DDM-2000’s IAO LAN interface is compatible with 10BaseT Ethernet hubs

operating at 10 Mb/s over 4-wire twisted pair cables (per Telcordia GR-253, ANSI/

IEEE 802.2 [ISO 8802-2] and ANSI/IEEE 802.3 [ISO 8802-3]).

Lucent Technologies DDM-2000 OC-3 User Manual

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