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[aprssig] Alinco DR-135T - EJ41U internal modem

Drew Baxter droobie at maine.rr.com
Mon Oct 31 15:34:36 UTC 2005


I have the EJ-41U in the Dr-135TP for my K1XVM Igate.  It is running 
in converse mode because it had a habit of locking up in KISS mode 
during bursts of data at random intervals.  I use it with Xastir.

Nice radio, nice little package (even can act as a tracker too), but 
yeah it has shortcomings.

If you have additional questions feel free to ask.. :-)

--Droo, K1XVM

At 10:30 AM 10/31/2005, Ron Stordahl wrote:
>The Alinco DR-135T internal TNC is their EJ41U board.  Here is a 
>quote from their FAQ at www.alinco.com regarding this board:
>
>Q: Does EJ41U TNC unit support the KISS mode ?
>A: Yes it does but unfortunately in a limited way. As the default 
>setting you must configure the EJ41U to the KISS every time you turn 
>on the radio. In order to ease the KISS operation with the EJ41U you 
>may refer this website at 
>http://research.aerocity.net/tnc/ej-41u/  Please be advised that 
>this site is totally created and maintenanced by the 3rd party and 
>Alinco declines any and all responsibilities for its contents, the 
>consequence of utilizing the information written therein and any 
>form of the tech-support relative to this subject.
>
>I tried to go to the web site for additional information on that 
>internal tnc, but the link was dead!
>
>So it doesn't look good.  I do have a DR-135T which I use in my car 
>with a TinyTrack and am pleased with it.  I also did hook up as a 
>test an MFJ1270C to the DB9 connector on the rear of the DR-135T and 
>it worked fine.  Looks like one should be skeptical of the EJ41U 
>modem option in the DR-135T.
>
>Ron, N5IN





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