Cisco 7931G Administration Guide

6-6
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
OL-20798-01
Chapter 6 Customizing the Cisco Unified IP Phone
Automatically Disabling the Cisco Unified IP Phone Backlight
Backlight On
Duration
Length of time that the backlight remains on after turning on at the time specified
in the Backlight On Time field.
Enter the value in this field in the format hours:minutes.
For example, to keep the backlight on for 4 hours and 30 minutes after it turns on
automatically, enter 4:30.
If this field is blank, the backlight turns off at the end of the day (0:00).
Note If Backlight On Time is 0:00 and the backlight on duration is blank (or
24:00), the backlight remains on continuously.
Backlight Idle
Timeout
Length of time that the phone is idle before the backlight turns off. Applies only
when the backlight was off as scheduled and was turned on by an end-user (by
pressing a button on the phone or lifting the handset).
Enter the value in this field in the format hours:minutes.
For example, to turn the backlight off when the phone is idle for 1 hour and 30
minutes after an end-user turns the backlight on, enter 1:30.
The default value is 0:30.
Table 6-1 Backlight On and Off Configuration Fields (continued)
Field Description

Cisco 7931G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Electromagnetic compatibility	FCC Part 15 (CFR 47) Class B, ICES-003 Class B, EN55022 Class B, CISPR22 Class B, AS/NZS CISPR 22 Class B, CISPR 24, VCCI Class B, EN55024, EN 50082-1, EN 61000-3-2, EN 61000-3-3, EN 61000-6-1
Wi-Fi	No
Networking standards	IEEE 802.1Q, IEEE 802.1af, IEEE 802.1p
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	DHCP, TFTP, CDP
Lines quantity	24 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Voice codecs	G.711a, G.729A, G.729B, G.729ab
Volume control	Digital
Display resolution	192 x 64 pixels
Display number of lines	3 lines
Display number of colors	Monochrome
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Safety	(UL) 60950, (CSA) C22.2 No. 60950, EN 60950, IEC 60950, AS/NZS60950, TS 001
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	229 mm
Width	203 mm
Height	178 mm
Weight	1360 g