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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 41
Chapter 3: Configuration
Parameter Description
• Port: This is the logical port number for this row.
• Link: The current link state is displayed graphically. Green indicates the link is up and red that it is down.
• Current Link Speed: Provides the current link speed of the port.
• Configured Link Speed: Select any available link speed for the given switch port.
- Auto Speed selects the highest speed that is compatible with a link partner.
- Disabled disables the switch port operation.
• Flow Control: When Auto Speed is selected on a port, this section indicates the flow control capability that is advertised to the
link partner. When a fixed-speed setting is selected, that is what is used. The Current Rx column indicates whether pause frames
on the port are obeyed, and the Current Tx column indicates whether pause frames on the port are transmitted. The Rx and Tx
settings are determined by the result of the last Auto-Negotiation.
Check the configured column to use flow control. This setting is related to the setting for Configured Link Speed.
• Maximum Frame Size: Enter the maximum frame size permitted for the switch port, including FCS.
• Excessive Collision Mode: Configure port transmit collision behavior.
- Discard: Discard frame after 16 collisions (default).
- Restart: Restart backoff algorithm after 16 collisions.
• Power Control: The Usage column shows the current percentage of the power consumption per port. The Configured column
allows for changing the power savings mode parameters per port.
- Disabled: All power savings mechanisms disabled.
- ActiPHY: Link down power savings enabled.
- PerfectReach: Link up power savings enabled.
- Enabled: Both link up and link down power savings enabled.
• Buttons:
- Save: Click to save changes.
- Reset: Click to undo any changes made locally and revert to previously saved values.
• Icon, upper right of screen (Refresh): Click to refresh the Port link Status manually.
LGB1108A