Cisco 8500 - Powering on the Switch; Power Supply Overview; Power Connection Guidelines for AC-Powered Systems

CHAPTER 4
Powering on the Switch
This chapter describes how to connect the power modules in the chassis and to power on the switch.
• Power Supply Overview, on page 41
• Power Connection Guidelines for AC-Powered Systems, on page 41
• Power Connection Guidelines for DC-Powered Systems, on page 43
• Connect AC Power to the Chassis, on page 44
• Connect DC Power to the Chassis, on page 47
• Power Supply Power Cord Specifications, on page 50
Power Supply Overview
You can install up to four 3KW AC power supplies in the chassis. Ensure all power connection wiring conforms
to the rules and regulations in the National Electrical Code (NEC) as well as local codes.
This table summarizes the list of power supplies' input and output power ranges for different input applications:
Output PowerInput Current (Max)Input VoltagePower Supply Unit PIDs
3000W16.5A @ 200VAC180 – 305VAC85-3KW-HVPI
17A DC @ 192VDC192 – 400VDC
3000W80A @ 41VDC
41 – 69VDC85-3KW-DCPI
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.
Hardware Installation Guide for Cisco 8500 Switches
41