Cisco 1751 - Manual (Page 78)

Appendix D Installing the Virtual Private Network Module
Before You Begin
D-2
Cisco 1751 Router Hardware Installation Guide
78-11258-04
VPN Module Parts
Included with the VPN module are the following parts required for installation:
• Two metal standoffs
• Four screws
Safety Warnings
Warning Before working on a system that has an on/off switch, turn OFF the power and
unplug the power cord.
Warning Before opening the chassis, disconnect the telephone-network cables to avoid
contact with telephone-network voltages.
Warning Do not work on the system or connect or disconnect cables during periods of
lightning activity.
Warning Do not touch the power supply when the power cord is connected. For systems
with a power switch, line voltages are present within the power supply even
when the power switch is off and the power cord is connected. For systems
without a power switch, line voltages are present within the power supply
when the power cord is connected.
Warning Read the installation instructions before you connect the system to its power
source.
Warning Ultimate disposal of this product should be handled according to all national
laws and regulations.