Administrator Guide

Hardware Overview 103
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
status. See "LED Definitions " on page 104 for more information.
Stack Master LED and Stack Number Display
When a switch within a stack is the master unit, the Stack Master LED is
solid green. If the Stack Master 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 (in other words, it is a stack of one
switch), the Stack Master LED is illuminated, and the unit number is
displayed.
Back Panel
The following images show the back panels of the Dell Networking N1500
Series switches.
Figure 3-3. Dell Networking N1500 Series Back Panel
Power Supplies
Dell Networking N1524 and N1548
The Dell Networking N1524 and N1548 Series switches have an internal
100-watt power supply. The additional redundant power supply (Dell
Networking RPS720) provides 180 watts of power and gives full redundancy
for the switch.
Fan Vents
AC Power Receptacle