CHAPTER 4
Powering on the Router
This chapter describes how to connect the power modules in the chassis and to power on the router.
• Power Module Overview, on page 63
• Connect DC Power Supply to Power Source , on page 66
• Connect HVAC/HVDC Power Supply to Power Source, on page 69
• Power Supply Power Cord Specifications, on page 72
Power Module Overview
Table 15: Feature History Table
DescriptionReleaseFeature Name
This feature allows you to operate
the 4.8 KW power supply for 48V
100A DC with 48V 60A.
By default, the power module
accepts 100A. To change the power
mode to 60A, a toggle switch is
provided in the power tray.
Release 7.3.260A support on the
PSU4.8KW-DC100 (DC100)
power supply
You can install an AC or a DC power module 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.
Each chassis has a power assembly shelf that supports the following number of power trays:
• Cisco 8818 chassis supports up six power trays
• Cisco 8812 and 8808 chassis supports up to three power trays
• Cisco 8804 router contains two power trays
Each power tray supports up to three AC power modules or four DC power modules.
Use only one kind of power tray and power module in the chassis.
Note
Hardware Installation Guide for Cisco 8800 Series Routers
63
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