D-Link DES-3852 Product Manual - Page 51
config poe ports, Power-up order, Shutdown order, config poe, system, Restrictions
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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch CLI Manual config poe ports Restrictions priority - Setting the port priority affects power-up order and shutdown order. Power-up order: When the Switch powers-up or reboots, the ports are powered up according to their priority (critical first, then high and finally low). Shutdown order: When the power limit has been exceeded, the ports will shut down according to their priority if the power disconnect method is set to deny_ low_priority_port. • critical - Specifying this parameter will nominate these ports has having the highest priority for all configured PoE ports. These ports will be the first ports to receive power and the last to disconnect power. • high - Specifying this parameter will nominate these ports as having the second highest priority for receiving power and shutting down power. • low - Specifying this parameter will nominate these ports as having the lowest priority for receiving and shutting down power. These ports will be the first ports to have their power disconnected if the power_disconnect_method chosen in the config poe system command is deny_low_priority_port. power_limit - Allows the user to configure the per-port power limit. If a port exceeds its power limit, the PoE system will shut down that port. The minimum user-defined setting is 1000mW and maximum is 16800mW. The default setting is 15400mW. The user may also choose to define a power class by which to set the power limit, based on the PSE table at the beginning of this section. • class_0 - Choosing this class will set the maximum port limit at 15.4W. • class_1 - Choosing this class will set the maximum port limit at 4.0W. • class_2 - Choosing this class will set the maximum port limit at 7.0W. • class_3 - Choosing this class will set the maximum port limit at 15.4.0W. • user_define - Choosing this parameter will allow the user to set a power limit between 1000 and 16800mW with a default value of 15400mW. Only Administrator or Operator-level users can issue this command. Example usage: To config the Switch's ports for PoE: DES-3800:admin#config poe ports 1-3 state enable priority critical power_limit class_0 Command: config poe ports 1-3 state enable priority critical power_limit class_0 Power limit has been set to 15400mW(Class 0 PD upper power limit 12.95W + power loss on cable). Success. DES-3800:admin# 47