Cisco 7841 Administration Guide

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
The following figure shows the Cisco IP Phone 7841.
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
26
About the Cisco IP Phone
Buttons and Hardware

Cisco 7841 Specifications

General

Ethernet Switch	Yes
Lines	4
Headset Port	Yes
Wall Mountable	Yes
Display	3.5-inch grayscale display
Audio	Wideband audio
PoE	IEEE 802.3af
Speakerphone	Full-duplex
Ethernet Ports	2 x 10/100/1000
Headset Jack	RJ9
Protocols	SIP
Codec Support	G.711, G.722, G.729, iLBC
Mounting	Desk or wall
Weight	1 kg