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Date: Thu, 11 Mar 2010 22:34:22 -0500
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From: "Colyn Case at earthlink" <colyncase@earthlink.net>
References: <list-4162619@logan.com>
Subject: Re: [LML] Audio panel and com failure mode
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or have them both on an "essential" bus which is powered from both bus 1 and 
bus 2

----- Original Message ----- 
From: "Dan Ballin" <dballin@gmail.com>
To: <lml@lancaironline.net>
Sent: Thursday, March 11, 2010 1:21 PM
Subject: [LML] Audio panel and com failure mode


> I've posted this on the Aeroelectric web site, but figured some of you
> have a similar setup and might be interested in a failure mode that I
> didn't think of when I setup my panel.   I have a PMA 8000b audio
> panel and an SL30 as com 1 and SL40 as com 2.  I have a dual alt/dual
> battery (z-14) system that are separate and can be connected with a
> cross tie.  When no power is applied to the audio panel, it defaults
> to com 1 and com 2 is not usable.  So if you wire both the audio panel
> and com 1 on the same bus (like I did), then failure of that buss
> leaves you without any ability to transmit or receive.  Com 2 is not
> available.  The solution is to just hit the cross tie, but really the
> better way is to wire the audio panel and com 1 on separate busses.
>
> Dan Ballin
> LEG #286
>
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