Audience, Table 1 – Cisco XR 12404 User Manual
Page 10
 
Preface
Obtaining Documentation and Submitting a Service Request
x
Cisco XR 12404 Router Installation Guide
OL-13830-02
Obtaining Documentation and Submitting a Service 
Request
For information on obtaining documentation, submitting a service request, and 
gathering additional information, see the monthly What’s New in Cisco Product 
Documentation
, which also lists all new and revised Cisco technical
documentation, at:
Subscribe to the What’s New in Cisco Product Documentation as a Really Simple 
Syndication (RSS) feed and set content to be delivered directly to your desktop using 
a reader application. The RSS feeds are a free service and Cisco currently supports 
RSS version 2.0. 
Audience
The audience for the Cisco XR 12404 Router Installation Guide user 
documentation are the people who will install and configure a 
Cisco XR 12404 Router. The user typically has a substantial background in 
installing and configuring router- and switch-based Internets but may or may not 
have experience with Cisco products and supported protocols.
The reader of this documentation should be familiar with electronic circuitry and 
wiring practices and have experience as an electronic or electromechanical 
technician.
Table 1
Changes to This Document
Revision
Date
Change Summary
OL-13830-02
March 2009
Added Performance Route Processor-3 (PRP-3) related 
hardware details. Added Performance Route Processor-3 
(PRP-3) hardware details. PRP-3 has been introduced in Cisco 
IOS XR Software Release 3.8.0. PRP-3 will be supported on 
Cisco IOS XR Software Release 3.8.0 and later releases.
todd.book Page x Monday, March 16, 2009 2:47 PM