Re: CM15a reliablity

["Joe Bfstplk" <bfstplk@xxxxxxxxxxxxx>]

Thanks , Dave

The possesion problem I speak of is no due to the serial floating. With the
serial line plugged in, it had problems.

It has been a long time since I had time to fool with it, or hang around
here. As I remember, after being plugged in a number of hours,  it would
start send out commands on its own. I dont remember exactly what commands -
I seem to remember it was counting; or it may have been random.

Someone suggested it was due to overheating....I seem to remember it was you
who said this.
Certainly seems to be the case. After unplugging the unit, I would have to
give it a cool down waiting period before plugging it back in.


"Dave Houston" <nobody@xxxxxxxxxxxx> wrote in message
news:4368ace0.47483359@xxxxxxxxxxxxxxxx
> The overheating seemed to be related to a specific transformer that was
used
> in some early versions so it only happened with some CM11As. I would be
> surprised if the same problem appeared in the CM15A given that it was
> apparently solved in the CM11A.
>
> I think the lockups were mostly related to firmware (i.e. the PIC
program).
> The CM15A uses a Cypress µController so it's unlikely to have the same
> firmware issues. It may, however, have its own.
>
> Most of the cases of demonic possession were easily exorcised by keeping
the
> serial cable connected or disconnected at _both_ ends. If the CM15A has
the
> same problem it can likely be cured in the same manner.
>
> The CM11A also had a problem with its signal strength fading during its
1ms
> duration - made worse by loading. This could be fixed by changing a
> resistor. The CM15A does not exhibit this problem.
>
>
http://groups.google.com/group/comp.home.automation/browse_thread/thread/6b1
ba0cd1050658a/683aab3fb0577048?lnk=st&q=cm11a+schematic+galvin+group:comp.ho
me.automation&rnum=1&hl=en#683aab3fb0577048
>
> Aside from the dinky antenna the hardware used in the CM15A is OK. It uses
> third party RF transmitter and receiver daughterboards.
>
> I was not impressed with the X-10 software. I don't know whether any third
> party software has appeared. It's not as easy to do this for USB as it was
> for RS232.
>
> X-10 maintains an ActiveHomePro forum which might be a better place to ask
> your questions.
>
> "Joe Bfstplk" <bfstplk@xxxxxxxxxxxxx> wrote:
>
> >Sorry...I meant to say the CM11a had reliability problems
> >
> >"Joe Bfstplk" <bfstplk@xxxxxxxxxxxxx> wrote in message
> >news:bxt9f.497862$x96.395430@xxxxxxxxxxxx
> >> CM14a had a lot of problems  ( overheating, lockups, and demonic
> >> possession ). Is the CM15a any more reliable, or do the same problems
> >> exist?
>