Cisco Ip Phone 8851; Phone Connections - Cisco 8800 Series Administration Manual

About the Cisco IP Phone

Cisco IP Phone 8851

Phone Connections

Connect your phone to the corporate IP telephony network as shown in the following diagram.
1
2
3
4
5
Note Each USB port supports the connection of up to five supported and nonsupported devices. Each device
connected to the phone is included in the maximum device count. For example, your phone can support five
USB devices (such as two key expansion modules, one headset, one hub, and one other standard USB device)
on the side port. Many third-party USB products count as multiple USB devices, for example, a device
containing USB hub and headset can count as two USB devices. For more information, see the USB device
documentation.
DC adaptor port (DC48V).
AC-to-DC power supply (optional).
AC power wall plug (optional).
Network port (10/100/1000 SW) connection.
IEEE 802.3at power enabled.
Access port (10/100/1000 PC) connection.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
6 Auxiliary port.
7 Handset connection.
8 Analog headset connection (optional).
9 USB port
Cisco IP Phone 8851
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