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Doc. No.
Cisco Systems, Inc.
All rights reserved.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
Cisco Systems, Inc.
Corporate Headquarters
Copyright © 1997-2002
Cisco 12012 Gigabit Switch Router Card Cage
Assembly Replacement Instructions
Product Number: GSR12-CARDCAGE=
This document contains instructions for removing and replacing a card cage assembly in the
Cisco 12012 Gigabit Switch Router (GSR).
The sections in this document include the following:
• Product Overview, page 1
• Safety Guidelines, page 3
• Tools and Parts Required, page 6
• Removing and Replacing a Card Cage Assembly, page 7
• FCC Class A Compliance, page 32
• Cisco Connection Online, page 33
Product Overview
The Cisco 12012 has two card cages; the upper card cage and the lower card cage. (Refer to
Figure 1.) The upper card cage has 12 user-configurable slots available for line cards and a route
processor (RP). One additional slot (rightmost slot) in the upper card cage is non-configurable; it is
reserved for an alarm card. The line cards and the RP are not slot dependent; you can install the line
cards and the RP in any of the first 12 available slots.
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