Specifications

5
Upgrading the 1200-Watt, AC-Input Power Supplies in the Cisco 7513
OL-6324-01
Product Overview
Power Supply Specifications
Table 1 lists the AC-input power supply specifications.
The specifications listed in Table 1 apply to the new and older AC-input power supplie
Dual power supplies are automatically load-sharing and redundant, which means that you can install or
replace a second power supply on line. During normal operation, dual supplies provide system power
simultaneously (load share). When you remove one supply, the remaining supply immediately ramps up
to provide full power and maintain uninterrupted power to the system. Whenever possible, connect each
power supply to a separate AC source.
Caution The new and older power supplies must not be used simultaneously in the Cisco 7513. The redundant
power, load-sharing feature of the Cisco 7513 requires identical power supplies in each of the two power
supply bays. While no physical damage will occur if the two different supplies are installed into a Cisco
7513, there is the possibility of erratic system behavior and error messages.
The AC-input power supply uses a power factor corrector (PFC) that automatically adjusts for the input
voltage being supplied. The AC-input voltage range is 100 to 240 VAC. The power supplies are
self-monitoring. Each supply monitors its own temperature and internal voltages. An internal fan in each
power supply draws cooling air from the rear of the chassis, through the power supply, and out the front
of the chassis. The power supply airflow is separate from that of the rest of the chassis.
The Cisco 7513 requires a minimum of 20-amp service, with a 20-amp receptacle at the power source.
The power cable supplied with the Cisco 7513 uses a 20-amp male plug. shows the cable connector plug
and the 20-amp receptacle required to connect the 20-amp cable to your AC source.
Note Wiring codes prevent this type of power cable from being used with the power strips in equipment racks.
Table 1 Cisco 7513 AC-Input Power Supply Specifications
Specification Rating
AC-input voltage 100 to 240 VAC
1
, 20 amps maximum
1. VAC = volts direct current.
Frequency 50 to 60 Hz
Internal DC voltages supplied and steady-state
maximum current ratings
+5.2 VAC @ 200A
+12 VAC @ 35A
–12 VAC @ 3A
+24 VAC @ 8A
Input power requirement 1600W
Power output 1200W with a maximum configuration and one or
two AC-input power supplies
Heat dissipation 5465 Btu/hr
Weight 25 pounds (11.34 kilograms)
Cable supplied 12 American Wire Gauge (AWG), 20-amp
2
2. The Cisco 7513 requires a minimum of 20-amp service, with a 20-amp receptacle at the power source. The power cable
supplied with the Cisco 7513 uses a 20-amp male plug.