Telecommunication Safety; How To Use This Guide - 3Com V7111 - VCX 4 Channels Analog FXO Media Gateway User Manual

Telecommunication Safety

The safety status of each port on the device is declared and detailed in the following table:
Safety Status Indicators
Table 1
Ports
Ethernet (100 Base-T)
FXS
TNV-3 — Circuit whose normal operating voltages exceeds the limits for an SELV circuit
under normal operating conditions and on which over voltages from Telecommunication
Networks are possible.
SELV — Safety extra low voltage circuit.

How to Use This Guide

This book covers these topics:
Chapter1: VCX V7111/SIP Overview
Chapter 2: 2, 4, or 8 Channel VCX V7111 Hardware Installation
Chapter 3: VCX V7111 24FXS Hardware Installation
Chapter 4: Software Installation
Chapter 5: Profiling and Operation
Chapter 6: Provisioning
Chapter 7: Device Management
Chapter 8: Diagnostics
Chapter 9: Specifications
Appendix A: BootP/TFTP Configuration Utility
Appendix B: RTP/RTCP Payload Types
Appendix C: DTMF, Fax, and Modem Modes
Appendix D: DHCP Server Configuration
Appendix E: Obtaining Support for Your 3Com Products
10
Safety Status
SELV
TNV-3
3Com VCX V7111 VoIP SIP Gateways User Manual