Cisco 8600 Series - Power Connection Guidelines for AC-Powered Systems

Power Connection Guidelines for AC-Powered Systems
When connecting AC-input Power Supply Units (PSUs) to the site power source, observe the guidelines
described here.
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
• PSU3.2KW-ACPI only—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:
Warning
• 20 A circuit breaker for an AC-input power supply module.
• 50 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.
This product requires short-circuit (overcurrent) protection, to be provided as
part of the building installation. Install only in accordance with national and local
wiring regulations. Statement 1045
Warning
Powering on the Router
2
Powering on the Router
Power Connection Guidelines for AC-Powered Systems