Cisco Headend System Release 2.7 發佈版本通知
4002179 Rev B
13
Introduction
This chapter provides information that helps you prepare for the
upgrade to SR 4.2.1. Read this entire chapter before you upgrade.
For More Information
If you have questions or would like to order our products, please
contact Cisco Services at 1-800-283-2636.
2
Chapter 2
What Are the Site
Requirements?
In This Chapter
Upgrade Logistics ................................................................................. 14
Scheduling Requirements .................................................................... 18
Software Configuration ........................................................................ 19