12 CHAPTER 1: VCX™ C ONNECT INSTALLATION AND CONFIGURATIONincludes 4 FXO ports for connection to the public telephone network and4 FXS ports for connection to analog telephones and fax machines.To provide connection to the public telephone network, it can contain:■ FXO analog gateway modules (4 ports are standard)■ One or two Digital (T1) gateway modules (optional)Both FXO and digital gateway modules can be configured in the sameVCX Connect 100 Server.Analog and digital gateway modules are contained within the VCXConnect 100 Server chassis.The VCX Connect 100 server is recommended for up to 100 telephoneusers.VCX Connect 200ServerThe VCX Connect 200 server runs the VCX Linux Operating System andprovides IP Telephony and IP Messaging services.It works with external FXO analog gateways or digital (T1) gateways thatprovide connections to the public telephone network.Additionally, external analog FXS gateways provide connection to analogdevices such as analog telephones and fax machines.The VCX Connect 200 server is recommended for up to 250 telephoneusers.The 3Com V7111 analog gateways and the 3Com V7122 digitalgateways that work with the VCX Connect 200 server are purchasedseparately and are available in several configurations, depending on thenumber and type of connections needed. In addition, the 3Com V6100(in gateway only mode) is supported for analog or digital connections tothe public telephone network.SupportedConfigurationsThe supported configurations of the VCX Connect product are:■ A primary and secondary pair of servers (either two VCX Connect 100servers or two VCX Connect 200 servers).■ A single primary server (either a VCX Connect 100 server or a VCXConnect 200 server).