Cisco 6901 User Manual page 11

Features of Your Cisco Unified IP Phone
1 DC adaptor port (DC48V).
2 AC-to-DC power supply (optional).
3 AC power wall plug (optional).
Cisco Unified IP Phone 6901 and 6911 User Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
4 Network port (10/100 SW) connection. IEEE 802.3af
power enabled.
5 Access port (10/100 PC) connection.
6 Handset connection.
Phone Connections
5