Cisco 7800 Series - Power Requirements

Access port (10/100 PC) connection
(optional).
5DC adaptor port (DC48V) (optional).1
Auxiliary port (optional).6AC-to-DC power supply (optional).2
Handset connection.7AC power wall plug (optional).3
Analog headset connection (optional).8Network port (10/100 SW) connection.
IEEE 802.3af power enabled.
4
Buttons and Hardware
The Cisco IP Phone 7800 Series has distinct hardware types:
•
Cisco IP Phone 7811 No buttons on either side of the screen
•
Cisco IP Phone 7821 Two buttons on the left side of the screen
•
Cisco IP Phone 7841 Two buttons on either side of the screen
•
Cisco IP Phone 7861 16 buttons at the right edge of the phone
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
22
Buttons and Hardware