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Re: wiegand data interference

Subject: Re: wiegand data interference
From: Silicon Sam <siliconsam@xxxxxxxxx>
Date: Thu, 31 Dec 2009 16:34:38 -0800 (PST)
Newsgroups: alt.security.alarms
References: <%L7%m.30$nR4.13@xxxxxxxxxxxx>

On Dec 31, 2:24=A0pm, "Dave White" <renofus...@xxxxxxx> wrote:
> I am having issues with a card reader in my elevator not sending wiegand
> data to my controller. all voltages are good at the reader. think it may =
be
> interference causing problems.
> will a wiegand extender fix this issue?

  Have you tried pull-up resistors at the panel end on the data lines
0 and 1 yet?

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