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Re: RFI and DSC systems



Thats a good thought on the keypad runs.  Can I safely put a cap
across the data line?

I did try the old wrap around the screwdriver trick on the cable to
the keypad with the 433 receiver and it seemed to help.  A couple more
snap on ferrite's and I might be good to go...

On Jul 4, 1:49 pm, "Bob La Londe" <nos...@xxxxxxxxx> wrote:
> "Crash Gordon" <webmas...@xxxxxxxxxxxxxxxxxxxxx> wrote in message
>
> news:468bc1b8$0$497$815e3792@xxxxxxxxxxxxxxxxx
>
> > ot... hot enough for ya?
> > sheesh...my pool water is 92f this morning!
>
> The water temp in the river was hoverng around 80 last weekend.  I may go do
> a little fishing today.
>
>
>
>
>
> > "Bob La Londe" <nos...@xxxxxxxxx> wrote in message
> >news:468bb469$0$16402$88260bb3@xxxxxxxxxxxxxxxxxxxx
> > |
> > | "Crash Gordon" <webmas...@xxxxxxxxxxxxxxxxxxxxx> wrote in message
> > |news:468ba7e0$0$502$815e3792@xxxxxxxxxxxxxxxxx
> > | > Not that familiar with DSC, but if the panic fire is from the
> > keypad..have
> > | > you hardened the keypad run?
> > | > Ground only one side of the shield...but you would know that being a
> > ham.
> > | >
> > |
> > | And all grounds go to the same point.
> > |
> > |
> > | >
> > | >
> > | >
> > | >
> > | > "MikeSus" <mike...@xxxxxxxxx> wrote in message
> > | >news:1183549011.863308.169320@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > | > | Has anyone hardened a DSC System against RFI?  I am an amateur radio
> > | > | operator and had a problem on almost all frequencies until I put in
> > .
> > | > | 001 mfd caps on each loop, and put a snap on choke around the
> > hardwire
> > | > | lines.  Now the only problem is when I transmit on 80m (3.700Mhz)
> > | > | After a short while of transmitting, I get an expansion module
> > failure
> > | > | message and then a panic fire.  I do have the wireless Fire Alarm
> > and
> > | > | thought it could be gating, but that would not explain the expansion
> > | > | module failure message.  Any ideas?
> > | > |
> > | >
> > | >
> > |
> > |
> > |
> > | --
> > | Posted via a free Usenet account fromhttp://www.teranews.com
> > |
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com




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