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Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager
OL-14029-01
Chapter 3 Setting Up the Cisco Unified IP Phone
Before You Begin
Safety
Review the following warnings before installing the Cisco Unified IP Phone. To
see translations of these warnings, refer to the
Regulatory Compliance and Safety
Information for the Cisco Unified IP Phone
document that accompanied this
device.
Warning
Read the installation instructions before you connect the system to its power
source.
Warning
Only trained and qualified personnel should be allowed to install, replace, or
service this equipment.
Warning
Ultimate disposal of this product should be handled according to all national
laws and regulations.
Warning
Do not work on the system or connect or disconnect cables during periods of
lightning activity.
Warning
Installation of the equipment must comply with local and national electrical
codes
Warning
The power supply must be placed indoors.
Warning
To avoid electric shock, do not connect safety extra low voltage (SELV) circuits
to telephone network voltage (TNV) circuits. LAN ports contain SELV circuits,
and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45
connectors. Use caution when connecting cables.
Summary of Contents for 3911
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