Cisco 7916, Руководство по эксплуатации телефона

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6
Using an External Power Supply
Read the following warnings before you use the Cisco certified
external power supply with the Expansion Module 7916:
Caution
Only use the specified Cisco-approved power
supply on this product.
Warning This product relies on the building's installation
for short-circuit (over current) protection. Ensure
that a fuse or circuit breaker no larger than 120
VAC, 15A U.S. (240 VAC, 10A international) is used
on the phase conductors (all current-carrying
conductors).
Warning The device is designed to work with TN power
systems.
Warning The plug-socket combination must be accessible
at all times because it serves as the main
disconnecting device.
Warning The power supply must be placed indoors.
2
Installing the Cisco Unified
IP Phone Expansion Module 7916
Note
To ensure a successful installation of the
Expansion Module 7916, make sure you have read the
entire “Before You Begin” section on page 3.