D-Link DGS-1500-20 User Manual - Page 37
System > Power Saving, System > IEEE802.3az EEE settings
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5 Configuration D-Link Web Smart Switch User Manual System > Power Saving The Power Saving mode feature reduces power consumption automatically when the RJ-45 port is link down or the connected devices are turned off. Less power will be consumed also when the short cable is used (less than 20 meters). By reducing power consumption, less heat is produced, resulting in extended product life and lower operating costs. By default, the Cable Length Detection and Link Status Detection are enabled. Click Apply to make the change effective. Figure 5.24 - System > Power Saving Advanced Power Saving Settings: Type: Specifies the Power Saving type to be LED Shut-off, Port Shut-off, Port Standby or System Hibernation. LED Shut-off - The LED Shut-off gets high priority. If the user select LED Shut-off, the profile function will not take effect. It means the LED can not be turned on after Time Profile time's up when the state is disabled. On the contrary, if the LED is enabled, the Time Profile function will work. Port Shut-off - The Port Shut-off state has high priority (the priority rule is the same as LED.) Therefore, if the Port Shut-off sate is already disabled the Time Profile function will not take effect. Port Standby - The system changes to standby state and wait for a wake up event. Each port on the system enters sleep state by schedule. System Hibernation - In this mode, switches get most power-saving figures since main chipsets (both MAC and PHY) are disabled for all ports, and energy required to power the CPU is minimal. State: Specifies the power saving state to be Enabled or Disabled. Time Profile 1: Specifies the time profile or None. Time Profile 2: Specifies the time profile or None. Port: Specifies the ports to be configure of the Power Saving. Click Select All configure all ports, or click Clear to uncheck all port. Then click Apply to implement changes made. System > IEEE802.3az EEE settings The IEEE 802.3 EEE standard defines mechanisms and protocols intended to reduce the energy consumption of network links during periods of low utilization, by transitioning interfaces into a low-power state without interrupting the network connection. The transmitted and received sides should be IEEE802.3az EEE compliance. By default, the switch enabled the 802.3az EEE function. Users can disable this feature by individual port via the IEEE802.3az EEE setting page. 31