Cisco 7841 Manuel d'installation - Page 38

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Cisco 7841 Manuel d'installation
Technical Details
Table 5: Guidelines for Cisco IP Conference Phone 8832 Power
Power Type
PoE power—Provided by either the Cisco
IP Conference Phone 8832 PoE Injector or
Cisco IP
Conference Phone 8832 Ethernet injector
through the USB-C cable attached to the
phone.
External power
• Non-PoE Ethernet deployment
with a Cisco IP Conference Phone
8832 Non-PoE Ethernet Injector
• Wi-Fi deployment with a Cisco
IP Conference Phone 8832 Power
Adapter
• Non-PoE Ethernet deployment
with a Cisco IP Conference Phone
8832 Ethernet Injector and a Cisco
IP Conference Phone 8832 Power
Adapter
See the following documents for more information about the products or solutions with Cisco IP Phones:
• Cisco switches that work with Cisco IP Phones
https://www.cisco.com/c/en/us/products/switches/index.html
• Cisco IOS releases that support bidirectional power negotiation
https://www.cisco.com/c/en/us/solutions/enterprise-networks/upoe/index.html
• Other requirements and restrictions about power
http://www.cisco.com/c/en/us/solutions/enterprise-networks/power-over-ethernet-solutions/index.html
https://www.cisco.com/c/en/us/products/routers/index.html
Installation Guide for Cisco IP Phone with Multiplatform Firmware
34
Guidelines
If you are using either the Cisco IP Conference Phone 8832 PoE
Injector or Cisco IP Conference Phone 8832 Ethernet Injector,
make sure that the switch has a backup power supply to ensure
uninterruptible operation of the phone.
Ensure that the CatOS or IOS version that runs on your switch
supports your intended phone deployment. See the documentation
for your switch for operating system version information.
When you install a phone that is powered by PoE, connect the
injector to the LAN before you connect the USB-C cable to the
phone. When you remove a phone that uses PoE, disconnect the
USB-C cable from the phone before you remove the power from
the adapter.
When you install a phone that is powered with external power,
connect the injector to power and to the Ethernet before you
connect the USB-C cable to the phone. When you remove a phone
that uses external power, disconnect the USB-C cable from the
phone before you remove the power from the adapter.
Phone Power Requirements