Preinstallation Responsibilities Complete these tasks before installing the system: 1. Verify that the electrical supply meets all power requirements: − Appendix A, Connections, LEDs, and Specifications. 2. Verify that the site meets all environment specifications: − “Environmental Requirements” on page 9 − Appendix A, Connections, LEDs, and Specifications 3. Verify that the cables you plan to use meet the specifications, and review the cabling recommendations: − “Cabling Recommendations” on page 14 4. Verify the operation of all telephone circuits, digital services, and Internet Protocol (IP) facilities required for installation. 5. Ensure that all IP environment requirements are met, such as default gateway address, port IP address and mask, management Ethernet port IP address and mask, and broadcast address.