Appendix; Installing And Upgrading Memory And Virtual Private Network Modules; Safety Warnings - Cisco 1721 - VPN Security Router Bundle Hardware Installation Manual

Installing and Upgrading Memory and
Virtual Private Network Modules
This chapter tells how to install or upgrade memory and how to install a Virtual
Private Memory (VPN) module in your Cisco 1721 router and includes the
following sections:

Safety Warnings

During this procedure, wear grounding wrist straps to avoid ESD damage to
Warning
the router. Do not directly touch the backplane with your hand or any metal
tool, or you could shock yourself.
Warning Only trained and qualified personnel should be allowed to install or replace
this equipment.
78-13834-02
Safety Warnings
•
Opening the Chassis
•
Locating Modules
•
Installing a DIMM
•
Installing a VPN Module
•
Closing the Chassis
•
A P P E N D I X
Cisco 1721 Router Hardware Installation Guide
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