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Microsoft Teams Room – Screen Power and Room Sensors

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New Contributor

Hi are there plans to include screen control via CEC (even if inline USB to CEC) like you can with Zoom room systems.

As currently screens have to remain on permanently, as if you put MTR PC in sleep mode, any incoming calls are rejected while the system is waking up and screen settle into correct layout. 

 

Room sensors for occupancy to wake the screens? Azure Digital Twins support?

 

Can users turn the system into a sleep mode if the room is not being used for Teams call? Users have requested this for privacy concerns.

8 Replies

@Ilya Bukshteyn  can you help with this ? 

Re: Introducing Microsoft Teams Rooms 

 


@O365247 wrote:

Hi are there plans to include screen control via CEC (even if inline USB to CEC) like you can with Zoom room systems.

As currently screens have to remain on permanently, as if you put MTR PC in sleep mode, any incoming calls are rejected while the system is waking up and screen settle into correct layout. 

 

Room sensors for occupancy to wake the screens? Azure Digital Twins support?

 

Can users turn the system into a sleep mode if the room is not being used for Teams call? Users have requested this for privacy concerns.


 

Best Response confirmed by O365247 (New Contributor)
Solution

@O365247 MTR systems are configured by default to turn off displays after x mins (sorry can't remember default setting, but also super easy to change) at the Windows level.  If MTR is used with displays which do not have wake-on-signal capability, then an HDMI-CEC injector should be used; we recommend the Extron HD CTL 100, which can also be paired with an occupancy sensor, but other similar devices from Crestron and others can also be used).  All MTR systems have PIR occupancy / motion sensors built in, but external sensors can also be added to the HDMI control system if desired (again, see Extron HD CTL 100 or Crestron systems or similar).

We do not recommend setting MTR systems to fully go so sleep (vs. only turning off displays) because of the issues you mention; when waking up the system has a delay in establishing a connection to the server / service, during which time it is not fully usable (including not able to take incoming calls).

We do not support having a user initiated action to have MTR turn off displays. 

@Ilya BukshteynThanks for the great response.  Are you aware of any of the MTR systems having CEC support built in?  That would really clean up the install process.  I know that the smartdock doesn't but maybe some others have implemented this?  Since the occupancy is already built into MTR it would be great to have proper display power control without the extra hardware.  

 

 

@Glenn Chubak none of the Surface Pro systems can support CEC.  Our recommendation for CEC today is similar to what Zoom does, which is to add a CEC injector. We recommend one from Extron which (unlike the one Zoom recommends) is fully automatic and does not need a USB connection and driver. @Sohail Tariq do you happen to have the model # of that Extron HDMI-CEC injector?

@Ilya Bukshteyn @O365247 

Here is a link to the Extron HD CTL 100 Workspace Controller Ilya is referring to..

 

part # 60-1633-01

https://www.extron.com/article/hdctl100ad

 

Out of the box it is configured to control a display via CEC but can also be setup to provide IR or RS232 control… and you can rely on video signals or external sensors to trigger the control commands.

 

Setup/ configuration is fairly simple… here is setup guide we published for how to properly deploy the HD CTL 100 with a MTR (or Skype Room System)

https://www.extron.com/download/files/userman/68-3064-52_B__HD_CTL_with_MTR.pdf

 

hope this helps!

 

/osbaldo

 

 

Thanks for the quality answer, however the issue is that very very few TVs support a wake on signal function. Some professional grade displays do support this, but I have seen the use of pro grade displays decline significantly since the bang for the buck is so high on TVs

MS designed the MTR for a use with a display that does not exist. Using the Extron device works fine but the cost, size and power requirements make the install difficult and more costly.
Is there any progress on a smaller less expensive CEC injector that is USB powered?

MS does not have to make the CEC device, just add it to the list of recommended devices like the Crestron and Extron please.

Can you provide some background as to why CEC is not directly supported? Is it the Intel hardware that does not support it or is it a Win10 software issue

I believe this issue has been handled better for the zoom rooms

Thanks

@Sjuris 

Hi there. We have tested every category display (consumer, prosumer, and pro) from every make/ model available to us and have learned behavior is not consistent. We like to say that CEC is consistently inconsistent. CEC is supposed to be standardized but yet it doesn’t always work. Many manufacturers implement it differently. You may in some instances only get the ‘off’ command to work, but not the ‘on’. Same goes for channel/ input selection, volume, etc. For MTR solutions people are primarily concerned with making sure the displays get turned On. But large enterprise facilities with many systems also want the systems turned off when not in use (or if nobody is in the room). For these reasons and to make sure the system works every time we made the HD CTL 100… it is essentially display agnostic (supports CEC, IR, and RS232). I can’t speak for why computer HW doesn’t support CEC, but know that even if it did, things would not always be guaranteed. Displays supporting wake on signal like your desktop monitor in theory should solve all this, but again, it depends on the category display, make/ model, etc. It also depends on the system/ environment. Many folks have large screen projection or multiple displays, some want room automation w/ occupancy sensors, etc. All things to take into consideration. We are always working on next generation solutions for spaces like this and am always looking to talk/ learn about what people are designing, installing, pain points, etc…. so please feel free to msg me directly.

@Sjuris CEC is simply not supported in most PC HW.  Even if it was, building CEC control directly into a SW app would be an exercise in futility, because, as @OsbaldoRodriguez says, CEC is indeed "consistently inconsistent".  Zoom Rooms are very similar here; they rely on external devices for control of displays.  They recommend the Pulse Eight USB injector, which unlike the Extron is not automatic (ie. doesn't do the equivalent of wake on signal) but instead uses a driver and custom API to receive commands over USB and send out / inject commands via CEC over HDMI.  We are looking to add support for the Pulse Eight adapter, and its USB API, in future versions of our MTR app, but don't have a specific timeline I can mention yet.