3Com 2928 User Guide - Page 139

1 Energy Saving Configuration Overview Energy saving allows you to configure a port to work at the lowest transmission speed, disable PoE, or go down during a specified time range on certain days of a week. The port resumes working normally when the effective time period ends. Configuring Energy Saving on a Port Select Device > Energy Saving from the navigation tree to enter the energy saving configuration page, as shown in Figure 1-1. You can select a port and configure an energy saving policy for the port. Figure 1-1 Energy saving configuration page Table 1-1 describes the configuration items for configuring energy saving on a port. Table 1-1 Configuration items for configuring energy saving on a port Item Time Range Sun through Sat PoE Disabled Description Set the time period when the port is in the state of energy saving. z Up to five energy saving policies with different time ranges can be configured on a port. z Specify the start time and end time in units of 5 minutes, such as 08:05 to 10:15. Otherwise, the start time will be postponed and the end time will be brought forward so that they meet the requirements. For example, if you set the time range to 08:08 to 10:12, however, the effective time range is actually 08:10 to 10:10. Disable PoE on the port. 1-1