Chapter 2
Installing the indoor equipment
System
indoor unit (IDU). The receive modem is also called the IRU; the transmit modem is also called the ITU; and the Gateway is sometimes called the GWH.
The three units must be stacked correctly to ensure proper heat dissipation. The receive modem must be installed on top of the transmit modem, which is in turn installed on top of the Gateway. See Figure 10 on page 15.
Installation PC requirements The installer laptop PC must fulfill the following requirements:
•USB port
•Ethernet
•
•Windows 98 or higher, with DHCP configured to automatically accept IP addresses. See Appendix D.
•Websetup installed. See Installing DIRECWAY installation software on installer laptop on page 8.
Customer installation requirements
The customer must have:
•A functioning Ethernet interface installed on at least one computer. This is not necessary to commission the DW4020, but you must ensure the customer can surf before you leave.
•Ethernet cables; as many as there are computers that will connect to the DW4020.
•An analog phone line.
Chapter 2 • Installing the indoor equipment
5
