Cisco 8851 Administration Guide

Access port (10/100/1000 PC)
connection.
5DC adapter port (DC48V).1
Auxiliary port.6AC-to-DC power supply (optional).2
Handset connection.7AC power wall plug (optional).3
Analog headset connection (optional).8Network port (10/100/1000 SW)
connection. IEEE 802.3at power
enabled.
4
The Cisco IP Phone 8811 does not support a key expansion module.
Note
Cisco IP Phones 8841 and 8845
The following section describe the attributes of the Cisco IP Phones 8841 and 8845.
Phone Connections
Connect your phone to the corporate IP telephony network, using the following diagram.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
27
About the Cisco IP Phone
Cisco IP Phones 8841 and 8845

Cisco 8851 Specifications

General

Brand	Cisco
Model	8851
Category	IP Phone
Language	English