Cisco XR 12000 Series

ix
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Preface
This preface describes the objectives and organization of this document and explains how to find
additional information on related products and services. This preface contains the following sections:
• Changes to This Document, page ix
• Objectives, page xi
• Organization, page xi
• Related Documentation, page xii
• Obtaining Documentation and Submitting a Service Request, page xii
Changes to This Document
Table 1 provides a list of the changes to this document.
Table 1 Changes to This Document
Release No. Revision Date Change Summary
4.3.0 OL-17438-04 December 2012 Provides descriptions and installation instructions for the 1-Port
10-Gigabit Ethernet WAN PHY SPA
4.1.1 OL-17438-03 December 2011 Provides descriptions and installation instructions for the following
SPAs:
• 1-Port Channelized OC-3 ATM CEoP SPA
• 1-Port 10-Gigabit Ethernet DWDM SPA
4.0.1 OL-17438-02 December 2010 Provides descriptions and installation instructions for the 24-Port
Channelized T1/E1 ATM CEoP SPA.
3.8.0 OL-17438-01 March 2009 Provides information about FRF.12 and MFR feature support for
1-Port Channelized STM-4/OC-12 SPA
3.7.0 Rev. E0 June 30, 2008 Provides descriptions and installation instructions for the following
SPAs:
• 1-Port and 3-Port Clear Channel OC-3 ATM SPA
• 1-Port Clear Channel OC-12 ATM SPA
• 2-Port Channelized T3/E3 ATM CEoP SPA