The Official Door/Gate Intercom Thread
elytronic
Posts: 51
There have been many threads about this here and each one has some useful info but I would like to concentrate everything here since this is one area that we have not figured out completely help and I am sure there are others here that would benefit from this. Also this applies for both residential and commercial projects.
AMX offers the MET-ECOM. This is a very nice piece of equipment and solves a lot of problems in certain situations but on the other hand we can not specify it everywhere because of the following:
1) Not completely weather resistant - important
2) Very easy to steal - important
3) No way to send analog video - very important so that you send the camera to the tvs
4) No way to integrate an access control device in the same body - again important
5) No way to send the intercom to "normal" phones, you need voip - not very important
6) Camera is almost useless- not wide angle and very bad quality even compared to the cheapest chinese units - very important
7) Expensive - not very important
8) Quite difficult to integrate with the Multi-Room Audio System
So we are looking for an intercom that would be able to do some or all of the following:
1) Communicate with AMX touchpanels. This is very importat and this has to be done on the analog domain so that video can be send to the tvs also and maybe integrate the audio with a phone system.
- What are the requirements for this? You need line level audio and line level video for sure. Do most intercom units offer this or you have to use special interfaces? Crxston offers the C2N-IIF which I am not sure what it does yet.
- You need a matrix switcher with composite and analog audio. This way you can send the video amx touchpanels and tvs and the audio to the touchpanels. Is there any other way this can de done?
2) Fully weather resitant
3) Integrated Access Control
4) Communication of Access Control with AMX - this way you can have a list on the touchpanels and maybe send notification about who open specific doors/gates at what time
5) No need to integrate with wireless touchpanels
6) Communication with any telephone system. A lot of questions on this but first let's tackle the main requirements.
7) Integrate this with an interface with the multi-room audio system so that you can send an announcement over the house speakers
So let's start with the basics: what are the requirements and what is needed to integrate a generic intercom system with AMX touchapanels over the analog domain? I am sure gradually though our discussion we will find more solutions that will accomodate all my questions/requirements.
Just for info, the compatible touchpanels for this are the CV5 which will be stopped soon and anything over 7".
AMX offers the MET-ECOM. This is a very nice piece of equipment and solves a lot of problems in certain situations but on the other hand we can not specify it everywhere because of the following:
1) Not completely weather resistant - important
2) Very easy to steal - important
3) No way to send analog video - very important so that you send the camera to the tvs
4) No way to integrate an access control device in the same body - again important
5) No way to send the intercom to "normal" phones, you need voip - not very important
6) Camera is almost useless- not wide angle and very bad quality even compared to the cheapest chinese units - very important
7) Expensive - not very important
8) Quite difficult to integrate with the Multi-Room Audio System
So we are looking for an intercom that would be able to do some or all of the following:
1) Communicate with AMX touchpanels. This is very importat and this has to be done on the analog domain so that video can be send to the tvs also and maybe integrate the audio with a phone system.
- What are the requirements for this? You need line level audio and line level video for sure. Do most intercom units offer this or you have to use special interfaces? Crxston offers the C2N-IIF which I am not sure what it does yet.
- You need a matrix switcher with composite and analog audio. This way you can send the video amx touchpanels and tvs and the audio to the touchpanels. Is there any other way this can de done?
2) Fully weather resitant
3) Integrated Access Control
4) Communication of Access Control with AMX - this way you can have a list on the touchpanels and maybe send notification about who open specific doors/gates at what time
5) No need to integrate with wireless touchpanels
6) Communication with any telephone system. A lot of questions on this but first let's tackle the main requirements.
7) Integrate this with an interface with the multi-room audio system so that you can send an announcement over the house speakers
So let's start with the basics: what are the requirements and what is needed to integrate a generic intercom system with AMX touchapanels over the analog domain? I am sure gradually though our discussion we will find more solutions that will accomodate all my questions/requirements.
Just for info, the compatible touchpanels for this are the CV5 which will be stopped soon and anything over 7".
0
Comments
1) True, I intend to use a high temp silcone based di-electric grease to completely cover the jack and I/O relay terminals. This should prevent any corrosion espicially from the salty air where I anticipate my first install.
2) True but so is pretty much anything else exterior to a locked up building. I be more worried about vandals just smashing them then stealing them and there's not much you can do about that. I'd consider it a low and tolerable risk. College campusses might be another story.
3) Don't care. Prefer the stream since most TPs will be wireless in jobs I'll be designning. I'd prefer wired but in order to keep prices down it makes sense to combine the room/house control and local TV control on one platform. I'd prefer not but.. Otherwise for analog there's a host of other choices available.
4) You can but that get's back to 2) and I think that would be a problem for any exterior device. Again even then a person would need a fair amount of intelligence to figure it out and you could get clever and install a reed or mercury (tamper) switch in the MET-ECOM enclosure that triggers an I/O on an the inside master that will in turn via relay kill power to the MET-ECOM's relay that controls the door release. Pull the MET-ECOM and it kills power to the relay and the door can't open and you can even notify the authorities or grounds keepers. So I'd say it's workable.
5) True.
6) Don't know but I would also like the possibity to bypass the internal camera and plug in a remote spy cam. A simple switch to bypass and then connect in a remote camera that you place where it will have the best field of vision. In most cases an in door phone camera is inadequate unless it's fish eye and then everything looks funny.
7) agreed.
8) not sure what you mean. I know one problem is that (I believe) the cameras can only support streams to 2 or 3 TPs so when their button is pushed you can't just page all internal TPs and flip to video. You can page all and pop up a notice saying "view door" or something, possibly track which TPs were recently used or recently had motion and then make assumptions but you know how that goes.
1) I don't know I think I keep the MET-ECOM streaming and choose another product if I wanted analog.
2) Well you have to make connections so I'd go with the grease option unless it has other holes. Just looked at and the camera angle adjustment lever and pin holes for the LED & reset should be greased after setting too.
3)
4) I think for both of these it's intended for someone on the inside responding to MET-ECOM caller to allow them access otherwise an exterior numeric keypad tied into the security system could provide access control and log entries.
5) Disagree. I think this is very important and essential.
6) I suppose a simple interface device could be provide for this purpose.
7) I guess this goes with the 8) from before. I guess they'd prefer you to have a TP in every room and actually so would I but $$$ so I guess another interface type device actually maybe the same device made to interface non SIP phone systems could do the trick.
I don't believe there's been any real revisions to this product yet so we can only assume it will evolve.
I think the most important thing you didn't mention is that the camera is not an IR camera so during the night is completely useless!
Another problem is the poor quality sound with frequent drops especially when used with wireless panels
I simply keep my intercom system separate. I use the Panasonic phone systems as intercom and door station; it is trivial to set a port to only ring on the doorbell, and then put a relay on that to trigger whatever you need from the AMX, including switching to a local (and again, separate) camera and displaying it on a touch panel screen. I imagine you could take it a step further and use VOIP on the Panasonic to connect to the panel if you really wanted to.
My main problem with integrated doorbell/camera is that you can almost never position the camera exactly they way you want, and the cameras are nearly always of bad quality (ditto for gate boxes with integrated cameras). Yes, it's an extra device at the door, but an independently installed camera simply is much better quality and fits my needs better.
We've done similarly what Dave is mentioning. One thing that we came up with on our last project, was creating a page on TP's called "auto camera display". On this screen, the customer could highlight which TV's (if any) he wanted to turn on and tune to the appropriate channel (to display the modulated camera image). He loved this because it gave him control over what displays would turn on and show the image. If the TV's were already on, they stay on. If the TV's were off, they will turn back off after a designated time. All in all it was a really slick feature. Audio from the doorbell was just routed to their phones, not their TP's.
Here is the 1M+ $ house answer.... easy, just have the lighting control system turn on the lights (if they are not already on) when the button is pushed
Jeff
Update - I realized that the CSG can work as a gateway for up to 4 analog devices, like doorphones.
Got bit trying to use the MET-ECOM to 7-MVP5200i touch-panels. Hit and miss displaying the video when the button is pressed on the MET-ECOM. Approximately half of the panels will show no video available. Found out after the fact from tech support and the manual only 3 simultaneous connections are supported from the intercom at one time. Makes the unit almost useless in my mind.