Configuration89Port A port is an interface used for communi-cation by different programs. Certainports are fixed (23: Telnet, 21: FTP),whilst others can be freely selected.Ports are important for different applica-tions (e.g. external access to the deviceover a browser).MACaddressThe MAC address (Media Access Con-trol or Ethernet ID) is the specific hard-ware address of the network adapter.This is used for the unique identificationof the device in a computer network.Network layoutThe device must be physically connected to the networkover a CAT5 cable (see the connections on page 60).NotePay attention to the specific information and in-structions on the network devices.Several switches, routers and access points can be con-nected to each other. Firewalls and other security soft-ware can affect the network.WarningWhen using a router, the network clients (e.g. therecorder) can be connected to the Internet andvice versa.Make sure to use protective measures to preventunauthorised external access (e.g. firewall, chang-ing passwords, changing ports)!Network-configurationTAB SettingsGeneral Settings for the local net and selectingthe network mode.PPPOE PPPOE is used on ADSL connectionsand when using modems in Germany.Click on “Set” to enter the access data(ID and password) for your provider.DDNS Server for Dynamic Domain Name Sys-tem management. Used for updatinghost names or DNS entriesNTP Network Time ProtocolServer for time synchronisationEmail Used to specify the e-mail settingswhich are sent as an e-mail to a specif-ic address in the event of an alarm.UPnP Universal Plug and PlaySettings for the convenient control ofnetwork devices in an IP network.MoreSettingsUsed to configure the IP address of thePC where a message should be dis-played in the event of an alarm