[cisco-voip] 7940 Power Save Mode

Tue Mar 23 17:37:12 EDT 2010

http://www.killawattplus.com/?gclid=CJLYueLpz6ACFQaU7QodL3_VzA

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Leetun, Rob
Sent: Tuesday, March 23, 2010 4:33 PM
To: Matthew Ballard
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] 7940 Power Save Mode

Can you send a link to Kill-A-Watt, please?

Thanks.

Rob

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Matthew Ballard
Sent: Tuesday, March 23, 2010 3:21 PM
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] 7940 Power Save Mode

Is that with just one phone connected per switch?  If so, I'm guessing the main reason you are getting that much savings from just one phone is that the switch is probably able to shutdown the PoE components of the switch once the last PoE device is shutdown on the switch.  I would think that shutting down one phone out of 2 or more won't yield anywhere close to that much power savings.

Matthew

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: Tuesday, March 23, 2010 1:48 PM
To: Fuermann, Jason
Cc: cisco-voip at puck.nether.net; Jamie Weatherhead
Subject: Re: [cisco-voip] 7940 Power Save Mode

We attached a Kill-A-Watt to the switch powering phones in an engineers cube.  When the EEM script triggers switch power consumption drops by ~100W.  x 15 engineers in our area that is turning off 15x100w bulbs for 12 hours at a time.  The major impediment with that approach is the phones are hard down and do not respond to user input.

A solution that that provides similar level of power consumption while enabling user intervention would be best of both worlds.  Save power, save on cooling, save backlights, extremely nominal user impact = win.

/Wes

On Tuesday, March 23, 2010 1:50:53 PM, Fuermann, Jason <JBF005 at shsu.edu><mailto:JBF005 at shsu.edu> wrote:
I guess the question really is, what is the end goal of putting the rest of your phones in power save some kind of power save mode?

From: Chris Ward (chrward) [mailto:chrward at cisco.com]
Sent: Tuesday, March 23, 2010 12:22 PM
To: Fuermann, Jason; Ryan Ratliff (rratliff); Matthew Loraditch
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Jamie Weatherhead
Subject: RE: [cisco-voip] 7940 Power Save Mode

Energywise support is not yet available on our phones. You can use Energywise to shutdown switchports, but not put the phones to sleep... YET.

When energywise is supported on the phones, it will have the ability to put them into a deep-sleep mode. It will however not be supported on the 7940/60s.

+Chris

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Fuermann, Jason
Sent: Tuesday, March 23, 2010 10:53 AM
To: Fuermann, Jason; Ryan Ratliff (rratliff); Matthew Loraditch
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Jamie Weatherhead
Subject: Re: [cisco-voip] 7940 Power Save Mode

Sorry, I was thinking of EnergyWise, not EEM

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Fuermann, Jason
Sent: Tuesday, March 23, 2010 9:43 AM
To: 'Ryan Ratliff'; Matthew Loraditch
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Jamie Weatherhead
Subject: Re: [cisco-voip] 7940 Power Save Mode

I'm sure EEM has some interface a standard user could interact with

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ryan Ratliff
Sent: Tuesday, March 23, 2010 9:42 AM
To: Matthew Loraditch
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Jamie Weatherhead
Subject: Re: [cisco-voip] 7940 Power Save Mode

You telnet in to the switch and do a 'no shut'.  We control the switches here in our cubes that power all of the phones.

-Ryan

On Mar 23, 2010, at 10:31 AM, Matthew Loraditch wrote:

How does that work if you need to work late or come in on off hours ?

Matthew Loraditch, CCNA, CCDA
1965 Greenspring Drive
Timonium, MD 21093
support at heliontechnologies.com<mailto:support at heliontechnologies.com>
(p) (410) 252-8830
(F) (443) 541-1593

Visit us at www.heliontechnologies.com<http://www.heliontechnologies.com/>
Support Issue? Email support at heliontechnologies.com<mailto:support at heliontechnologies.com> for fast assistance!

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: Tuesday, March 23, 2010 10:27 AM
To: Matthew Ballard
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Jamie Weatherhead
Subject: Re: [cisco-voip] 7940 Power Save Mode

We implement an alternate powersave method on the phones at our desks. We use EEM script on switch to shutdown power to all non-critical phones outside business hours.  EEM script is available in the EEM script repository on Cisco.com<http://Cisco.com>.

/Wes

On Monday, March 22, 2010 12:48:36 PM, Matthew Ballard <mballard at otis.edu><mailto:mballard at otis.edu> wrote:
The only reason the 7970 would need a power save mode is to turn off the backlight.  Since the 7940 doesn't have a backlight, a power save mode would save little to no power anyways.

Matthew Ballard

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jamie Weatherhead
Sent: Monday, March 22, 2010 9:42 AM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: [cisco-voip] 7940 Power Save Mode

Afternoon all,

Is it at all possible to set a 7940 phone to power save mode?

I am able to achieve this for a 7970 phone by adjusting the 'Display Idle Timeout' setting on the phone device configuration page. However, the 7940 phone doesn't appear to have these settings as seen below:
<image001.png>
Any help would be appreciated.

Jamie

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