Chapter 1
Introduction
DW4020 purpose and components
This chapter addresses the following topics:
•DW4020 purpose and components on page 1
•Characteristics and identification of equipment on page 2
The DW4020 is designed to provide multiple computer connections through a single DIRECWAY® terminal. It is composed of three stackable components as shown in Figure 1:
•Receive modem (also sometimes referred to as the Indoor Receive Unit (IRU))
•Transmit modem (also sometimes referred to as the Indoor Transmit Unit (ITU))
•Gateway (GWH)
Note: Revision 1 of this manual referred to the DW4020 as the "Gateway," and the Gateway as the "Gateway host." This terminology has changed. Please use the terminology in this manual.
Receive modem
Transmit modem
Gateway
Figure 1: The DW4020
Chapter 1 • Introduction
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