Cisco 8851NR User Manual

DescriptionNameNumber
Toggle the microphone on and off. The Mute on the phone lits up
when Mute on the headset is enabled.
Mute button2
Adjust the volume on your headset.Volume button3
Shows the headset status:
• Blinking red—Incoming call.
• Steady red—Active call.
• Blinking white—Firmware upgrade is in progress.
LED4
Standard Base for Cisco Headset 561 and 562
The Cisco Headset 561 and 562 come with a standard base to charge your headset. The base's LED display
shows the current battery level, and your call state. In addition to the call control buttons on the headset, you
can also answer and end calls when you lift or set down your headset on the base.
The connection between the base and the headset is made with Digital Enhanced Cordless Telecommunications
(DECT).
Figure 19: LED Display on the Standard Base for Cisco 561 and 562 Headset
The following table describes the standard base for Cisco 561 and 562 Headset.
Table 23: Standard Base for Cisco 561 and 562 Headset
DescriptionNameNumber
Indicates the headset battery charge.Battery Status LED1
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Cisco 8851NR Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Case material	Acrylonitrile butadiene styrene (ABS)
Product color	Charcoal
Wall mountable	Yes
Lines quantity	5 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Volume control	Digital
Display diagonal	5 \
Display resolution	800 x 480 pixels
Voice codecs	G.711Mu, G.711a, G.722, G.729A, iLBC
Number of microphones	1
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	IEEE 802.3i/802.3u/802.3ab
Ethernet LAN (RJ-45) ports	2
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Number of handles included	- pc(s)

Weight and Dimensions

Depth	257.34 mm
Width	229.1 mm
Height	40 mm
Weight	1190 g