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1-1
Cisco XR 12404 Router Installation Guide
OL-13830-02
CHAPTER
1
Cisco XR 12404 Router Overview
This chapter provides an overview of the Cisco XR 12404 router. It contains
physical descriptions of the router hardware and major components, and
functional descriptions of hardware-related features.
Router Overview
The Cisco XR 12404 router scales the Internet Service Provider edge from speeds
of T3/E3 (44.7/34.4 Mbps) up to OC-192/STM-64 or 10GE (10 Gbps).
Figure 1-1 sho
ws the PRP-2, consolidated switch fabric (CSF) card, and line card
locations of the Cisco XR 12404 router. Network interfaces reside on the line
cards tha
t provide the connection between the routers CSF and the external
networks. The bottom slot (labeled Fabric Alarm) is a dedicated slot for the
combined CSF card.
Note Illustration is shown without the front door for clarity.
todd.book Page 1 Monday, March 16, 2009 2:47 PM
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