In This Chapter; Powering The Brocade Vdx6720 On And Off; Led Activity Interpretation; Brocade Vdx6720 Leds - Brocade Communications Systems VDX6720 Hardware Reference Manual

Brocade VDX6720 Operation

In this chapter

Powering the Brocade VDX6720 on and off

Complete the following steps to power the Brocade VDX6720 on.
1. Connect one or both power cords to the power connectors on the power supplies and to a
2. Set the AC power switches to "I" for the VDX6720-24. The power supplies for the VDX6720-60
To power the Brocade VDX6720 off, power off both power supplies by setting each AC power switch
to "O" for the VDX6720-24 or unplugging the power supplies for the VDX6720-60. All devices are
returned to their initial state the next time the switch is powered on.

LED activity interpretation

System activity and status can be determined through the activity of the LEDs on the switch.
There are three possible LED states: no light, a steady light, and a flashing light. Flashing lights may
be slow, fast, or flickering. The lights are green or amber. See
Sometimes, the LEDs flash either of the colors during boot, POST, or other diagnostic tests. This is
normal; it does not indicate a problem unless the LEDs do not indicate a healthy state after all boot
processes and diagnostic tests are complete.

Brocade VDX6720 LEDs

The Brocade VDX6720 has the following LEDs:
Brocade VDX6720 Hardware Reference Manual
53-100xxxx-01
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Powering the Brocade VDX6720 on and off . . . . . . . . . . . . . . . . . . . . . . . . . 17
•
LED activity interpretation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
•
POST and boot specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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Interpreting POST results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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Brocade VDX6720 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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Brocade VDX6720 Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
power source
power on when they are plugged in.
Power is supplied to the switch as soon as the first power supply is connected and powered on.
The switch runs POST by default each time it is powered on; it can take up to several minutes to
boot and complete POST.
Table 1 for details on LED behavior.
Chapter
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