Are you using inline power switch to power the phone. If so use the below command under the switch port

power inline delay shutdown 20 initial 300

If you are using power adapter, may be not the suitable one.


On 2/19/2011 12:25 AM, Kiyam Kadir wrote:
Dear Experts,
Has anyone seen a Cisco 7935 Conference station that gives a sound when power is connected but the display remains dead?

There is no sign of life, apart from the initial tone when you connect the power.


Any ideas is highly appreciated.








Thank you


Best Regards,








SUNRIZE-signichure


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