86 Hardware Overview
Reset Button
The reset button is accessed through the pinhole and allows you to perform a
hard reset on the switch. To use the reset button, insert an unbent paper clip
or similar tool into the pinhole. When the switch completes the boot process
after the reset, it resumes operation with the most recently saved
configuration. Any changes made to the running configuration that were not
saved to the startup configuration prior to the reset are lost.
Port and System LEDs
The front panel contains light emitting diodes (LEDs) that indicate the
status of port links, power supplies, fans, stacking, and the overall system.
Additionally, the PowerConnect 7024P and PowerConnect 7048P switches
contain LEDs that provide information about Power over Ethernet Plus
(PoE+) status and activity on the ports.
For information about the status that the LEDs indicate, see "LED
Definitions" on page 91.
Stack Master LED and Stack Number Display
When a switch within a stack is the master unit, the stack master LED, which
is labeled M, is solid green. If the M LED is off, the stack member is not the
master unit. The Stack No. panel displays the unit number for the stack
member. If a switch is not part of a stack, the M LED is illuminated and the
stack unit number is 1.
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