Cisco 8861 Administration Guide

Cisco IP Phone 8851
Phone Connections
Connect your phone to the corporate IP telephony network as shown in the following diagram.
Auxiliary port.6DC adaptor port (DC48V).1
Handset connection.7AC-to-DC power supply (optional).2
Analog headset connection (optional).8AC power wall plug (optional).3
USB port9Network port (10/100/1000 SW) connection.
IEEE 802.3at power enabled.
4
Access port (10/100/1000 PC) connection.5
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.
Note
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
29
About the Cisco IP Phone
Cisco IP Phone 8851

Cisco 8861 Specifications

General

Resolution	800 x 480 pixels
Audio	Wideband audio
Ethernet Ports	2 x 10/100/1000
Speakerphone	Full-duplex
Display	5-inch color display
Lines	5
PoE	Yes (802.3af)
Protocols	SIP, SDP, SRTP
Wi-Fi	802.11a/b/g/n/ac
Headset Jack	Yes
Codecs	G.711, G.722, G.729, iLBC
USB Port	2 x USB 2.0
USB Ports	2 x USB 2.0
Supported Languages	Multiple (English, French, Spanish, etc.)