Chapter 1
Product Overview
Chassis Card Cages
Upper Card Cage
OL-11495-01
For additional information about troubleshooting DC PEMs, see the
"Troubleshooting the DC-Input Power Subsystem" section on page
There are three integral card cages in the chassis: the upper card cage, the lower
card cage, and the switch fabric card cage (see
The upper card cage has eight user-configurable slots that support a combination
of line cards, an alarm card, and an RP.
Alarm—The far left slot is a dedicated slot for an alarm card.
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Slots 0 through 6—Can be populated with any line cards supported by the
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router.
Slot 7—The far right slot is reserved for the RP.
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
Chassis Card Cages
5-10.
Figure
1-1).
1-17