Installing the CiscoAS5800 3-23
Connecting to a DC Power Source
The following sections are for installations using a direct DC power source, without an AC-input
power shelf.
Grounding the Dial Shelf
The Cisco 5814 dial shelf ships with a double ground lug attached to two pemnuts in the upper left
corner on the rear of the dial shelf chassis. For detailed cabling specification information, refer to
AppendixA, “Cisco AS5800 Specifications.” To ground the dial shelf, follow these steps:
Warning Never defeat the ground conductor or operate the equipment in the absence of a suitably
installed ground conductor. Contact the appr opriate electrical inspection authority or an electricia n
if you are uncertain that suitable grounding is availabl e. To see translations of the warnings that
appear in this publication, refer to t he Re gulato ry Complian ce and Safet y Informat ion do cumen t that
accompanied this device.
Warning When installing the unit, the ground connection must always be made first and
disconnected last. To see translations of the w arnings that appear in this publication, refer to the
Regulatory Compliance and Safety Information document that accompanied this device.
Step1 Locate the dial shelf double ground lug (see Figure3-19) and using a 1/4-in. flat-blade
screwdriver, unscrew it from the chassis. Save the screws.