Symptom: The Conference Station Does Not Go Through Its Normal Startup Process; Manager - Cisco 7937G - Unified IP Conference Station VoIP Phone Administration Manual

Chapter 9 Troubleshooting and Maintenance
Symptom: The Conference Station Does Not Go Through its Normal Startup
Process
When you connect a conference station into the network port, the conference station should go through
its normal startup process as described in the
on page
through the startup process, the cause may be faulty cables, bad connections, network outages, lack of
power, and so on. Or, the conference station may not be functional.
To determine whether the conference station is functional, follow these suggestions to systematically
eliminate these other potential problems:
1.
2.
3.
If after attempting these solutions, the LCD screen on the conference station does not display any
characters after at least five minutes, contact a Cisco technical support representative for additional
assistance.
Symptom: The Conference Station Does Not Register with Cisco Unified
Communications Manager
To start up properly, the conference station must be connected to the Ethernet network and registered
with a Cisco Unified Communications Manager. If the conference station does not start up properly,
review the following sections:
•
•
•
•
•
•
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Cisco Unified IP Conference Station 7937G Administration Guide for Cisco Unified Communications Manager 6.0
OL-11560-01 Rev. B0
3-8, and the LCD screen should display information. If the conference station does not go
Verify that the network port is functional:
Exchange the Ethernet cables with cables that you know are functional.
–
Disconnect a functioning conference station from another port and connect it to this network
–
port to verify the port is active.
Connect the conference station that will not start up to a different network port that is known to
–
be good.
Connect the conference station that will not start up directly to the port on the switch,
–
eliminating the patch panel connection in the office.
Verify that the conference station is receiving power:
If you are using external power, verify that the electrical outlet is functional.
–
If you are using in-line power, use the external power supply instead.
–
If you are using the external power supply, switch with a unit that you know to be functional.
–
If the conference station still does not start up properly, perform a factory reset of the conference
station. For instructions, see the
Checking Network Connectivity, page 9-4
Verifying TFTP Server Settings, page 9-4
Verifying IP Addressing and Routing, page 9-4
Verifying DNS Settings, page 9-4
Verifying Cisco Unified Communications Manager Settings, page 9-5
Cisco Unified Communications Manager and TFTP Services Are Not Running, page 9-5
Creating a New Configuration File, page 9-5
Registering the Conference Station with Cisco Unified Communications Manager, page 9-6
"Verifying the Conference Station Startup Process" section
"Performing a Factory Reset" section on page
Resolving Startup Problems
9-12.
9-3