Chapter 13 Initializing the system 181BCM200/400 4.0 Installation and Maintenance Guide4 Start the computer.To configure your computer1 From the Start menu, choose Settings then choose Control Panel.2 Double-click the Network icon.3 Select your TCP/IP adapter, and then click the Properties button.4 Click the IP Address tab.5 Click the Specify an IP address option.6 In the IP Address field, enter the IP address of the BCM system (if using the default IPaddress, enter 10.10.10.2).7 In the Subnet Mask field, enter the subnet mask of the BCM system (if using the default,enter 255.255.255.0).8 Click OK.9 Click OK.Your computer is now configured to connect to the BCM system.Connecting through the serial portYou can also connect to the BCM system through the serial port using a null modem cable. Youcan then change the IP address of the BCM system and perform other basic configuration tasks.You can use Element Manager to perform more detailed configuration of your system.You must use a null modem cable connection to the BCM main unit if the default IP address is notcompatible with your LAN or WAN network.Required equipment:• null modem cable• VT100-compatible terminal or a computer that has a terminal program such as HyperterminalYou can enable or disable the serial port through Element Manager. This functionality is helpfulfor diagnostics and to make the system more secure. By default the serial port is enabled.Note: The steps below may differ slightly depending on the operating system of yourcomputer. The task in this section is to specify the IP address and subnet mask for thecomputer.Warning: Your terminal must be VT100-compatible and must support the VT100National Character set. If the terminal does not support the National Character set, the textdisplays incorrectly.