AppendixD Installing the Virtual Private Network Module
Installing the VPN Module in a Cisco 1760 Router
D-4
Cisco 1760 Modular Access Router Hardware Installation Guide
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Caution To avoid damaging the equipment, periodically check the resistance value of the
antistatic strap. The measurement should be between 1 and 10 megohms
(Mohms).
Warning
During this procedure, wear grounding wrist straps to avoid ESD damage to the
router. Do not directly touch the backplane with your hand or any metal tool, or
you could shock yourself.
Installing the VPN Module in a Cisco 1760 Router
This section describes how to install the VPN module in a Cisco 1760 router. It
contains these sections:
•Opening the Cisco 1760 Chassis
•Installing the VPN Module
•Closing the Cisco 1760 Chassis

Opening the Cisco 1760 Chassis

Follow these steps to open the chassis:
Step1 Make sure that the router is turned off and is disconnected from the power supply.
Step2 Use a flat-head screwdriver to remove the screws that hold the top and bottom of
the chassis together, as shown in Figure D-1.
Note Some Cisco 1760 routers have five chassis screws in the rear assembly,
but most models have three screws in the rear assembly.