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Terminology
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Administration for Network Connectivity
555-233-504 — Issue 1 — April 2000 CID: 77730
Preface
Terminology
The terms form, screen and node are used in this book with somewhat different meanings than in previous
documents. The usage of the terms MedPro and IP Interface in this book deserve an explanation.
Screen The term “screen” is used in this book to mean what used to be called “form” — the
set of switch-administration interface pictures that contain the fields that hold the
switch-translations values. For example, the “Data Module screen.” Each screen can
have one or more pages.
In some parts of this book, he terms “screen” and “form” are used interchangeably.
Node The term “node” has two meanings for DEFINITY ECS switches connected in a
network. In a DCS network, node means a switch or adjunct. This is how the term is
used on the Dial Plan screen for the field name, “Local Node Number.”
With TCP/IP connectivity, node has a different meaning — it refers to an interface to
a network. For example, each of the 17 ports on the C-LAN board is a node in this
sense. This is how the term is used on the Node Names, Data Module, Processor
Channel, and IP Routing screens. This is also the common usage in a data networking
environment. With these definitions, a “DCS node” (a switch) can have many “IP
nodes,” (network interfaces).
In this book, node is used in the second sense, as a network interface. A “DCS node”
is referred to as a switch or, in Chapter 4, as a switch node.
IP Interface and MedPro The official name for the TN802B circuit pack is IP Interface assembly. It is a media
processing circuit pack in a 3-slot wide assembly. It can be administered to operate in
one of two modes — IP Trunk mode or MedPro mode.
MedPro is a contraction of the words, media processor. Since the TN802B IP
Interface assembly does media processing, it is also referred to as the MedPro board.
The TN802B IP Interface assembly is an IP interface for DEFINITY ECS — it
connects directly to a 10/100BaseT LAN or WAN, which uses the TCP/IP protocols.
The C-LAN (TN799B) circuit pack is also an IP interface for DEFINITY ECS.
In this book, the terms TN802B circuit pack, TN802B IP Interface, IP Interface
assembly, and MedPro board are used interchangeably.