Cisco ASR-920-24TZ-M - Preface; Document Revision History

Preface
The preface describes the revision history, audience, organization, and conventions of the Cisco ASR 920
Series Aggregation Services Routers. It also lists sources for obtaining additional information and technical
assistance from Cisco.
This document covers the following variants of the Cisco ASR 920 Series Aggregation Services Routers:
• ASR-920-24SZ-IM— Twenty Four 1GE Fiber ports, Four 10G ports, and One slot for modular interface
card, with replaceable redundant AC and DC power supplies
• ASR-920-24SZ-M—Twenty Four 1GE Fiber ports and Four 10G ports, with replaceable redundant
AC and DC power supplies
• ASR-920-24TZ-M—Twenty Four 1 GE Copper ports and Four 10G ports, with replaceable redundant
AC and DC power supplies
•
Document Revision History, page ix
•
Document Audience, page x
•
Document Organization, page x
•
Document Conventions, page x
•
Obtaining Documentation and Submitting a Service Request, page xii
Document Revision History
The following table lists the major changes made to this document.
Change SummaryDateRelease
First ReleaseNovember 22, 2014Cisco IOS XE Release 3.14.0S
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
ix