Cisco 7800 Series Administrator's Guide

c) Reattach the cords and seat them in the clips that are incorporated into the phone body.
Figure 24: Phone Bracket Attachment
Screw holes1
Slot for Mounting Tabs2
Step 3
Attach the cables to the phone:
a) Attach the Ethernet cable to the 10/100/1000 SW network port and wall jack.
b) (Optional) If you are connecting a network device (such as a computer) to the phone, attach the cable to
the 10/100/1000 Computer (PC access) port.
c) (Optional) If you use an external power supply, plug the power cord into the phone. Dress the cord by
clipping it into the clips that are incorporated into the phone body next to the PC port.
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
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Non-Lockable Wall Mount Components for 7861

Cisco 7800 Series Specifications

General

Wireless	No
Video Support	No
PoE	Yes, 802.3af/at
Audio Codec Support	G.711, G.722, G.729, iLBC
Network Protocols	SIP, SDP, IPv4, IPv6, UDP, TCP, DNS, TFTP, HTTP, HTTPS, DHCP
Security Features	802.1X, TLS, SRTP
Power Options	PoE
Headset Port	3.5mm
Buttons	Line keys, navigation cluster, softkeys, mute, speakerphone, headset, volume control
Bluetooth	No
Ethernet Switch	Yes, 2-port 10/100/1000
USB Port	Yes, for headset (7875)