Document Revision History - Cisco ASR1004 - ASR 1004 Modular Expansion Base Hardware Installation Manual

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:
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Objectives
This document describes the SPA interface processors (SIPs) and shared port adapters (SPAs) that are
supported on the Cisco ASR 1000 Series Aggregation Services Routers. This document also describes
how to install the supported SIPs and SPAs and how to troubleshoot the installation.

Document Revision History

The Document Revision History records technical changes to this document. The table shows the
Cisco IOS XE software release number and document revision number for the change, the date of the
change, and a brief summary of the change.
Release No.
Cisco IOS XE
Release 3.6.0S
Cisco IOS XE
Release 3.5.0S
OL-14126-12
Objectives, page ix
Document Revision History, page ix
Organization, page xii
Related Documentation, page xiii
Obtaining Documentation and Submitting a Service Request, page xiii
Revision
OL-14126-12
OL-14126-11
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
Date Change Summary
March 29, 2012 Added information about support for the
circuit emulation (CEM) mode on the
2-Port Channelized T3/E3 ATM CEoP
SPA.
November 28, 2011 Added information about feature
enhancement in the following SPA:
Support for ATM on clear E3 mode for
SPA-2CHT3-CE-ATM
ix