xi 
D3G0804W User Manual 
Document Organization 
This document consists of four chapters and two appendixes. 
Chapter 
1
- describes the contents in your Gateway package, system requirements, and an overview 
of the Gateway’s front and rear panels. 
Chapter 
2
-
describes how to install your Gateway. 
Chapter 
3
-
describes how to prepare the Gateway for configuration. 
Chapter 
4
-
describes how to configure the Gateway. 
Appendix A - 
describes how to mount your Gateway on a wall. 
Appendix B - 
contains compliance information. 
Before using this document, familiarize yourself with the Table of Contents on page vi. All first-time 
users should read Chapter 
1. Installation should not be attempted without reading Chapter 
2. 
Configuration should not be attempted without reading Chapters 
3 and 
4. Troubleshooting suggestions 
are on page 88. 
Document Conventions 
In this document, the term “Gateway” is used to refer collectively to the SMCD3G0804W Wireless 
EMTA Gateways. If information applies to only one model, that model is identified. 
This document uses the following additional conventions to draw your attention to certain information. 
Symbol 
Meaning 
Description 
Note 
Notes emphasize or supplement important points of the main text. 
Tip 
Tips provide helpful information, guidelines, or suggestions for performing tasks more 
effectively. 
Warning 
Warnings indicate that failure to take a specified action could result in damage to the 
device. 
Electric Shock Hazard 
This symbol warns users of electric shock hazard. Failure to take appropriate precautions 
such as not opening or touching hazardous areas of the equipment could result in injury or 
death.