3Com VCX V7111 VoIP SIP Gateways User Manual 11ConventionsTable 2 lists conventions that are used throughout this guide.Table 2 Notice IconsIcon Notice Type DescriptionInformation note Information that describes important features or instructions.Caution Information that alerts you to potential loss of data or potentialdamage to an application, device, system, or network.Warning Information that alerts you to potential personal injury or death.Each abbreviation, unless widely used, is spelled out in full when first used, and only Industrystandard terms are used throughout this manual. The $ symbol indicates hexadecimalnotation.When referring to VCX V7111 products, this document uses the following abbreviations:Table 3 Documentation AbbreviationsAbbreviation Product Name2FXS VCX V7111 2FXS4FXS VCX V7111 4FXS4FXO VCX V7111 4FXO8FXS VCX V7111 8FXS8FXO VCX V7111 8FXO24FXS VCX V7111 24FXSFXS Any FXS Gateway:2FXS, 4FXS, 8FXS, or the 24FXS.FXO Any FXO Gateway: the 4FXO or the 8FXOWhen referring to all these products generally, this document uses the term VCX V7111.Related DocumentationThe following documents are available on the 3Com Partner Access website for the 3ComVCX V7111 Gateway: 3Com VCX V7111 SIP Release Notes 3Com VCX V7111 Gateway Fast Track Installation Guide