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Site Power Guidelines
Site Power Guidelines
The Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllerss have specific power and electrical
wiring requirements. Adhering to these requirements ensures reliable operation of the system. Follow these
precautions and recommendations when planning your site for the controller:
• The redundant power option provides a second, identical power supply to ensure that power to the chassis
• In systems configured with the redundant power option, connect each of the two power supplies to a
• To prevent a loss of input power, be sure the total maximum load on each circuit supplying the power
• Check the power at your site before installation, and periodically after installation, to ensure that you are
• Provide proper grounding to avoid personal injury and damage to the equipment due to lightning striking
Electrical Circuit Requirements
The Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllerss require a dedicated electrical circuit.
If you equip it with dual-power feeds, you must provide a separate circuit for each power supply to avoid
compromising the power redundancy feature.
The Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllerss can be powered by an AC or DC
source. Ensure that equipment grounding is present and observe power-strip ratings. Make sure that the total
ampere rating of all the products plugged into the power strip does not exceed 80 percent of the rating.
AC Power Supplies
Warning
DC Power Supplies
Warning
Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllers Hardware Installation Guide
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continues uninterrupted if one power supply fails or input power on one line fails.
separate input power source. If you fail to do this, your system might be susceptible to total power failure
due to a fault in the external wiring or a tripped circuit breaker.
supplies is within the current ratings of the wiring and breakers.
receiving clean power. Install a power conditioner if necessary.
power lines or due to power surges. The chassis ground must be attached to a central office or other
interior ground system.
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
AC: 20A U.S. maximum
Statement 1005
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring
Statement 1022
Preparing Your Site for Installation
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