NEC 2000 IPS Chapter 2 System Architecture

UNIVERGE NEAX 2000 IPS Request For Proposal (RFP) Reference Guide Page 2-1

Issue 6

Chapter 2 System Architecture

The UNIVERGE NEAX 2000 IPS family consists of the IPS, IPS DM, IPS DML and IPS DMR.

These UNIVERGE NEAX 2000 Internet Protocol Servers fuse existing NEC technologies with

dynamic advancements in hardware and software to satisfy the most stringent system

requirements. NEC's modular design, sensible migration, comprehensive network solutions,

and the ability to customize functionality to match specific business applications are just a few

of the NEC benchmarks that the new IPS builds upon.

UNIVERGE NEAX 2000 IPS users have access to hundreds of service features that enhance

productivity, reduce operating costs, and improve communications efficiently. The innovative

modular hardware and software design allows efficient, effective growth within each module

from its minimum to its maximum configuration. This is achieved by a unique building block

architecture allowing growth without the loss of existing hardware or software.

Voice and Data Switching

The UNIVERGE NEAX 2000 IPS systems support advanced applications such as Tandem Networking,

Centralized Attendant Service, Direct Digital Interface and other voice features. The system's non-

blocking architecture and distributed processor control hierarchy are designed to support the traffic and

control the load generated by voice and data switching. Station users may perform simultaneous voice

and data transmission at speeds up to 19.2Kbps over universal 1-pair wiring without the use of

modems. Proprietary Digital Instruments (Dterm) may be provided to increase system flexibility and

eliminate the need for conventional multiple line stations with their associated control equipment and

cable plant requirements.

The UNIVERGE NEAX 2000 IPS systems employ the latest advancements in Large Scale

Integration (LSI) circuits and component manufacturing techniques to create a highly reliable

and serviceable communications system. The IPS has changed from NEC's traditional PROM

based CPUs to a Flash ROM based for system software and RAM for data programming. The

UNIVERGE NEAX 2000 IPS architecture consists of three major functional components:

Distributed Controller, Digital Switching Network, and Port Interface.

1. Distributed Controller - The Distributed Controller is composed of distributed

multiprocessing units, generic memory, database instructions, system interface, and

interface ports for system maintenance and administration.

2. Digital Switching Network - The Digital Switching Network consists of a non-blocking

digital time division switch, allowing all ports to be used simultaneously.

3. Port Interface - The Port Interface provides access to the public and private network for

various types of terminal devices, including digital and analog telephones, data terminals,

computers and subsystems such as Voice Mail Systems, Data Switch Networks, and

related communication and information services.