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Cisco 11500 Series Content Services Switch Hardware Installation Guide
78-13884-03
Chapter 2 Cabling the CSS
Connecting the Power Cord
Warning
Only a DC power source that is isolated from AC mains with reinforced
insulation, and that complies with the other safety extra-low voltage (SELV)
requirements in UL1950, CSA 950 3rd Edition, EN 60950, and IEC950, can be
connected to a Cisco 11503 system. This requirement ensures that in a
catastrophic power source fault condition, hazardous voltages are not present
on power terminals and connectors.
To connect the CSS 11503 DC power supply to a power source:
1. At the rear of the chassis, ensure that the CSS power switch is in the O (off)
position.
2. Locate the DC terminal block on the rear of the chassis as shown in
Figure 2-13.
Figure 2-13 Location of the CSS 11503 DC Power Supply Connectors
1 Terminal block (–, +, and ) 2 Power switch
59544
-48/-60V
9.0A,430VA
1 2