Cisco 7941G Administration Guide

General Troubleshooting Tips for Cisco Unified IP Phone Expansion Module
The following table provides general troubleshooting information for the Cisco Unified IP Phone Expansion
Module.
Table 50: Cisco Unified IP Phone Expansion Module Troubleshooting
SolutionProblem
Verify that all of the cable connections are correct.
Verify that you have power to the Cisco Unified IP Phone Expansion
Module.
No display on the Cisco
Unified IP Phone Expansion Module.
Verify that the Cisco Unified IP Phone Expansion Module is
configured in Cisco Unified Communications Manager.
Lighted buttons on the first Cisco
Unified IP Phone Expansion Module
are all red.
Verify that the Cisco Unified IP Phone Expansion Module is
configured in Cisco Unified Communications Manager.
Lighted buttons on the second Cisco
Unified IP Phone Expansion Module
are all amber.
Cisco Unified IP Phone Reset or Restore
There are two general methods for resetting or restoring the Cisco Unified IP Phone.
Basic Reset
Performing a basic reset of a Cisco Unified IP Phone provides a way to recover if the phone experiences an
error and provides a way to reset or restore various configuration and security settings.
The following table describes the ways to perform a basic reset. You can reset a phone with any of these
operations after the phone has started up. Choose the operation that is appropriate for your situation.
Table 51: Basic Reset Methods
ExplanationPerformingOperation
Resets any user and network configuration
changes that you have made, but that the
phone has not written to its Flash memory,
to previously saved settings, then restarts
the phone.
Press the Services, Settings, or
Directories button and then press
**#**.
Restart phone
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
229
Troubleshooting and Maintenance
General Troubleshooting Tips for Cisco Unified IP Phone Expansion Module

Cisco 7941G Specifications

General

Keypad number of keys	12
Touchscreen	-
Display resolution	320 x 222 pixels
Speakerphone	Yes
Voice codecs	G.729a
Bluetooth	No
Supported network protocols	DHCP, TFTP, SCCP, DSCP
Ethernet LAN (RJ-45) ports	2
Input voltage	48 V
Dimensions (WxDxH)	266.7 x 152.4 x 203.2 mm
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Safety	(UL) 60950, (CSA) C22.2 No. 60950, IEC 60950, EN 60950, AS/NZS 60950
Certification	CE (FCC) 15 (CFR 47) B ICES-003 B EN55022 B CISPR22 B AS/NZ 3548 B VCCI B EN55024 EN 50082-1 EN 61000-3-2 EN 61000-3-3
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3af
Lines quantity	- lines
Phonebook capacity	- entries
Number of handles included	1 pc(s)

Weight and Dimensions

Weight	1600 g