2
Power Procedures
2-3
Operating the Switch
After successful POSTs, the green power LED remains illuminated
and all other front panel LEDs go dark. If any of the following occurs,
contact EMC Customer Support:
◆ The amber system error LED remains on.
◆ The green power LED is off.
◆ The LED for either power supply on the rear of the unit is off (and
the power cord on that power supply is plugged into a working
AC power source).
◆ An amber LED illuminates on a fan module on the rear of the
unit.
Powering the Switch
Off
You do not need to switch the power off to remove FRUs or to
connect fiber optic cables to and from ports. However, you must
switch off the power to relocate the switch.
When power cycling (powering the unit off and on), wait 30 seconds after
switching the unit off before switching it on again.
Powering the switch off and on (power cycle) resets all hardware
components and interrupts port operation. When switching the power on, all
logic is reset.
To switch the power off, use the following procedures:
CAUTION
!
Warn administrators and users currently operating devices that are
attached to the switch that it is going off line and that
communications will be disrupted. Also, request that the devices
affected by an interruption of data flow be set off line.
1. Set the switch off line using the Set Online State option from the
Product Manager (refer to the above warning before setting the
switch off line).
2. Press the two power switches on the rear the switch down to the
0 (power off) position.
3. Disconnect the power cord for each power supply from its AC
source.
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