Chapter 1 Cisco XR 12404 Router Overview
Supported Line Cards
Supported Line Cards
The Cisco XR 12404 router is shipped with up to three installed line cards and one route processor that provide a variety of network media types. Line card slots and route processors shipped from the factory are based on your order. Figure
•Line cards can be installed in slots 1 through 3 in the card cage.
•Slot zero (0) is the default slot for the primary route processor.
•The bottom slot is reserved for the consolidated switch fabric (CSF) card.
Note Refer to the software release notes for a current list of supported line cards (see the “Obtaining Documentation, Obtaining Support, and Security Guidelines” section on page
Figure 1-6 Card Slot Locations
3
2
1
0
Fabric Alarm 
66252
The line cards interface to each other, and to the route processor through the CSF card. Line cards installed in the Cisco XR 12404 router are hot swappable and can be replaced while the router is operating.
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