Cisco 8851 Manual

Step 4 Remove the two accessory connector covers, as shown in the diagram.
The slots are designed for the spine connector only. Insertion of other objects will cause permanent
damage to the phone.
Caution
Step 5 Position the phone so that the front of the phone faces up.
Step 6 Connect one end of the key expansion module spine connector to the accessory connector on the Cisco IP
Phone.
a) Align the spine connector with the accessory connector ports.
Install the connector in the orientation shown in the following diagrams.
Note
b) Firmly press the spine connector into the phone.
Cisco IP Phone Accessories
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Cisco IP Phone Accessories
Cisco IP Phone Accessories

Cisco 8851 Specifications

General

Resolution	800 x 480 pixels
Network Interfaces	Dual Gigabit Ethernet ports
Headset Port	Yes
Audio	Wideband audio
Ethernet	10/100/1000 Mbps
USB	Yes, USB 2.0
Power	IEEE 802.3af/at Power over Ethernet (PoE)
Protocols	SIP
PoE	Yes
Codec Support	G.711, G.722, G.729, iLBC
Headset Connector	RJ9
Lines	Up to 5 lines
Dimensions	229 x 256 x 41 mm (excluding foot stand)
Weight	1.2 kg