Cisco 3905 Using

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Phone Connections
Use the following figure to connect the phone to the network.
1
DC adapter port (DC 4.2V).
4
Network port (10/100 SW) connection.
IEEE 802.3af power enabled.
2
AC-to-DC power supply
(optional).
5
Access port (10/100 PC) connection.
3
AC power wall connection.
6
Handset connection.

Cisco 3905 Specifications

General

Speakerphone	Yes
Ethernet Switch	No
Handset	Standard
Protocol Support	SIP
Lines	1
Headset Port	No
Power over Ethernet (PoE)	IEEE 802.3af Class 1
Ethernet Ports	2