User`s guide

MS-4900, Rev. A 5–1
Section 5. Functional Overview
This section describes the function of the IDR V1000 within a WavePhore network:
• “Network Overview” gives the “big picture” from point of origin to display on
• “Modes of Moving Data” describes some of the fundamental terms and concepts
you need to understand first.
• “IDR V1000” describes the functional characteristics of the IDR V1000 itself.
Network
Overview
The function of the network is to transmit data (such as weather information, stock
prices, or news stories) generated by the various subscription services from their
point of origin to an end-user’s output display. This network can be owned by
WavePhore or by another private entity using WavePhore equipment. Requirements
for data handling, communication protocols, security considerations, and other
characteristics vary from one network to another. However, the following
description supplies a generic picture of one of these networks.
Network
Components
The network comprises the following main areas:
• Network Control Center (NCC)
Gathers and processes incoming data; uplinks data directly to a satellite or
transmits data to another site for uplinking; provides network management
services
• Access network
Various means by which data arrives at the NCC: from remote sites over wide
area networks as well as through local computers
• Satellite
Transmits data received from the uplinking source to the receiver
• IDR V1000
Receives and processes the incoming data; passes the data to the attached output
device, such as a personal computer