Cisco 7841 Administration Guide

Access port (10/100/1000 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 (10/100/1000 SW)
connection. IEEE 802.3af power
enabled.
4
Cisco IP Phone 7861
Phone Connections
Connect your Cisco IP phone to your LAN with an Ethernet cable to enable full functionality of your Cisco
IP phone. If your Ethernet port is equipped with Power over Ethernet (PoE), you can power the Cisco IP
phone through the LAN port. Do not extend the LAN Ethernet cable outside the building. For your phone to
work, it must be connected to the IP telephony network.
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
25
About the Cisco IP Phone
Cisco IP Phone 7861

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