Cisco 7821 Manuale di installazione - Pagina 38

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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

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