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AC and DC power supplies in the same chassis.
AC power supplies in DC switch models or DC power supplies in AC switch
models.
Power supplies with different airflow labels (
(AFO)
) in the same chassis.
Power supplies and fan modules with different airflow labels (
and
AIR OUT (AFO)
Before you begin connecting DC power to an OCX1100 switch:
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage (see
"Prevention of Electrostatic Discharge Damage" on page
Install the power supply in the chassis. For instructions on installing a DC power supply
in an OCX1100 switch, see
page
79.
Ensure that you have the following parts and tools available:
A DC power cord (provided)
Attach the grounding strap to your bare wrist and to a site ESD point.
1.
Ensure that the power supplies are fully inserted in the chassis and the latches are
2.
secure. If only one power supply is installed, ensure that a cover panel is installed over
the second power supply slot.
Locate the DC power cord shipped with the switch.
3.
Insert the coupler end of the power cord into the power port of the power supply
4.
module. See
Figure 27 on page
Figure 27: Connecting a DC Power Cord to a DC Power Supply in an
OCX1100 Switch
If the DC power source outlet has a power switch, set it to the off (
5.
Chapter 11: Connecting the Switch to Power
) in the same chassis.
"Installing a DC Power Supply in an OCX1100 Switch" on
83.
and
AIR IN (AFI)
AIR OUT
AIR IN (AFI)
167).
) position.
O
83
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