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[Phil45680]

Question?

Is the only difference between the CM11A and the CM15A is in the fact the 11A plugs into a serial port and the 15A is USB?

[Brian H]

No. Completely different devices. Both hardware and software wise.

Also the CM11A has been discontinued for many years now. Except a few EBay dealers found one last 2010 production run and have them for sale.

CM11A uses Active Home Software and may have problems with XP and above.
CM15A uses Active Home Pro and optional plug ins software.

Some third party Automation Software can use either one.

[Phil45680]

Thanks Brian!

I had an 11A and sold it in a bunch of X10 items I didn't think I'd need. NOW ... I need the darn thing. From your description of these two devices, I think I'll look for a 15A since I'm now running Windows 7.

Trying to set my AHP back up and guess what? Found out I don't have enough hardware!

Thanks again for the info.

Phil

[Noam]

Two more differences:
1. The CM15A can send and receive RF (The CM11A can't).
2. The CM11A has a three-prong plug (with a pass-through outlet). The CM15A has a two-prong plug, with no pass-through outlet.

[Phil45680]

Two more differences:
1. The CM15A can send and receive RF (The CM11A can't).
2. The CM11A has a three-prong plug (with a pass-through outlet). The CM15A has a two-prong plug, with no pass-through outlet.

So ... with the 15A I would no longer need the CM19A to control my cameras from my desktop? Or ... am I mistaken?

[ErikP]

I don't know what cameras you have so I can't say for certain, but yes the CM15A can transmit the same wireless commands as a CM19A, so there is no reason I can think of why you would need the CM19 if you had a CM15.

also...  3.314 which should be out soon will add support for the CM11 to ActiveHome Pro.  Obviously due to hardware limitations it won't be able to do everything the CM15 does, but it will be a nice inexpensive transceiver option for those who just want a simple power line command driven setup.

[Brian H]

Very interesting AHP 3.314 will have some CM11A support.
I may have to unpack my CM11A and try it when 3.314 is released.

[Phil45680]

I don't know what cameras you have so I can't say for certain, but yes the CM15A can transmit the same wireless commands as a CM19A, so there is no reason I can think of why you would need the CM19 if you had a CM15.

also...  3.314 which should be out soon will add support for the CM11 to ActiveHome Pro.  Obviously due to hardware limitations it won't be able to do everything the CM15 does, but it will be a nice inexpensive transceiver option for those who just want a simple power line command driven setup.

I have both XCam2 color cameras and NightWatch B/W cameras.  Since the CM15A transmits wireless commands, I hope I don't have to use the CM19A anymore. I'm running off a laptop and don't have a ton of USB ports. Do you know if you can run this off a USB hub? I know the 19A says NOT to try to use it with a hub but possibly the new one will work off a hub.

[dave w]

Do you know if you can run this off a USB hub? I know the 19A says NOT to try to use it with a hub but possibly the new one will work off a hub.

CM15A should work off a hub. I had one on a powered hub for a while. The CM19A runs off USB power, so non powered hub could cause problems.

I should clarify this. The CM19A is USB powered and because of the RF transmitter may be drawing heavy USB current. So is easy to imagine it will not work on a non powered USB hub if other USB powered devices also share the hub, but I did not mean to imply the CM19A will work on a powered hub. Because the CM19A is a dumb I/O device it may not be able to share a USB hub, powered or not.

[Phil45680]

Do you know if you can run this off a USB hub? I know the 19A says NOT to try to use it with a hub but possibly the new one will work off a hub.

CM15A should work off a hub. The CM19A ran off USB power so non powered hub would cause problems.

See ... POWERED Hub would have solved the problem, which is what I happen to have. Wow, I could have been using that thing all along! The X10 information never bothered to tell that. I will have to dust it off. It's been packed in a drawer for some time.

[hawk1]

ErikP:  Is it also going to support the cm17 firecracker?  Just asking, cause I got one just hanging around.  By the way, I want to thank you for replying in the forum!  Lets users know that X10 is listening to them!   

[ErikP]

We didn't target the CM17 specifically, and it is unlikely the CM17 will incidentally work because of the CM11 changes.

sorry 

And you are welcome!  We love the feedback the forums give us, and we do our best to make everyone happy

[Knightrider]

We love the feedback the forums give us, and we do our best to make everyone happy

I just love the feedback the programmers are giving us.

[Noam]

...  3.314 which should be out soon will add support for the CM11 to ActiveHome Pro...

You mentioned support for the CM11A here, and you also mentioned the MyHouseOnline fix in another thread.
Are there other bug-fixes or features coming in 3.314?

[ErikP]

The CM11A functionality is the primary focus for 3.314 so no bug fixes other than the MyHouse Online connection one.