Access port (10/100 PC) connection
(optional).
5
DC adaptor port (DC48V) (optional).
1
Auxiliary port (optional).
6
AC-to-DC power supply (optional).
2
Handset connection.
7
AC power wall plug (optional).
3
Analog headset connection (optional).
8
Network port (10/100 SW) connection.
IEEE 802.3af power enabled.
4
Cisco IP Phone 7841
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
24
About the Cisco IP Phone
Cisco IP Phone 7841
Содержание 7821
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