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Tom,
The noise bridge comes with a short DC power cord with bare wire ends. The
cable is approximately 3 feet in length. for connecting to your station's DC
power supply. There is a 9 volt battery snap-on type connector for this
battery inside the unit. I will try to determine the polarity of the
external DC connector and get back to you.
73
Howard #3
----- Original Message -----
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, September 03, 2013 8:34 AM
Subject: MFJ Noise Bridge: Another Question
> Hi, all.
>
> I have another question about the MFJ Noise Bridge we have been
> discussing.
>
> I checked the MFJ web site, and found the MFJ 212 listed at a cost of $99,
> which is what I expected.
>
> They indicate that the device can be run either via a direct DC
> connection,
> or a wallwart power supply, which costs another $14.
>
> Rather than spending the $14 on the extra wallwart, I'd rather run the
> unit
> off my rig runner via an Anderson Power Pole connection.
>
> However, I'm not sure how the plug for the DC connection should be wired.
> For example, is the tip positive?
>
> In general, I'd be interested in how others on the list who have the noise
> bridge power the unit.
>
> Tom Behler: KB8TYJ
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