Cisco 8500 - Page 48

Statement 1028—More Than One Power Supply
This unit might have more than one power supply connection. To reduce risk of electric shock, remove all
connections to de-energize the unit.
Warning
• Ensure that the AC-input power supply module has a detachable power cord.
• Each chassis power supply should have a separate, dedicated branch circuit.
• North America
• 85-3KW-HVPI —Power supply modules require a 20 A circuit.
• International—Circuits should be sized according to local and national codes.
• If you are using a 208 or 240 VAC power source in North America, note that such lines are considered
hot and the circuit must be protected by a two-pole circuit breaker.
Statement 1005—Circuit Breaker
This product relies on the building’s installation for short-circuit (overcurrent)
protection. To reduce risk of electric shock or fire, ensure that the protective
device is rated not greater than: 20A.
Warning
• 20 A (North America) and 16 A (Europe) circuit breaker for an AC-input power supply module.
• 80 A DC-rated circuit breaker for each input of a DC-input power supply module, for safety purposes
- irrespective of whether the inputs are power from a single or separate DC sources.
Statement 1022—Disconnect Device
To reduce the risk of electric shock and fire, a readily accessible disconnect device
must be incorporated in the fixed wiring.
Warning
• The source AC outlet must be within 9.84 to 14 feet (3.0 to 4.293 meters) of the system - depending on
the length of the power cord, and should be easily accessible.
• The AC power receptacles used to plug in the chassis must be the grounding type. The grounding
conductors that connect to the receptacles should connect to protective earth ground at the service
equipment level.
Hardware Installation Guide for Cisco 8500 Switches
42
Powering on the Switch
Power Connection Guidelines for AC-Powered Systems