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Cisco 8500 Series Wireless Controller Installation Guide
Chapter 1 Cisco 8500 Series Wireless Controller Installation Guide
Replacing a Hot-Swap -48 VDC Power Supply
• This equipment shall be connected directly to the DC supply system earthing electrode conductor
or to a bonding jumper from an earthing terminal bar or bus to which the DC supply system earthing
electrode conductor is connected.
• This equipment shall be located in the same immediate area (such as, adjacent cabinets) as any other
equipment that has a connection between the earthed conductor of the same DC supply circuit and
the earthing conductor, and also the point of earthing of the DC system. The DC system shall not be
earthed elsewhere.
• The DC supply source shall be located within the same premises as this equipment.
• Switching or disconnecting devices shall not be in the earthed circuit conductor between the DC
source and the point of connection of the earthing electrode conductor.
Statement 31
Warning
Electrical current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
•
Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration
of this product during an electrical storm.
•
Connect all power cords to a properly wired and grounded power source.
•
Connect to properly wired power sources any equipment that will be attached to this product.
•
When possible, use one hand only to connect or disconnect signal cables.
•
Never turn on any equipment when there is evidence of fire, water, or structural damage.
•
Disconnect the attached AC power cords, DC power sources, network connections,
telecommunications systems, and serial cables before you open the device covers, unless you are
instructed otherwise in the installation and configuration procedures.
•
Connect and disconnect cables as described in the following table when you install, move, or
open covers on this product or attached devices.