There are two ways to access an array and run array management commands:
If a network connection is available, you can use telnet or SSH to connect to an array through an IP address assigned to a network interface on the array (for example, eth0). Do not connect to the group IP address.
Use the null modem cable (or cables) shipped with the array to connect Serial Port 0 on the active control module to a console or a computer running a terminal emulator. (The active control module’s ACT LED is green.) The following serial connection characteristics are required for CLI access: