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[aprssig] MFJ 1270B

Bruce & Leigh Coates bruce.coates at sasktel.net
Sun Jan 1 00:19:44 UTC 2006


Hi Fred

Good news although it may depend on which APRS program you're using for your 
gateway.  If it's something like UI-View that can communicate with the TNC 
in converse mode, it will work without any changes.  From what the MFJ 
firmware supported KISS starting with version 1.2.6 so 1.2.9 should work 
fine in KISS mode for programs that only work in KISS mode.  Running the TNC 
like this doesn't require any more than 32k of ram either.

73, Bruce -  VE5BNC

----- Original Message ----- 
From: "Fred Atkinson, WB4AEJ" <fred at wb4aej.com>
To: "APRS" <aprssig at lists.tapr.org>
Sent: Saturday, December 31, 2005 6:03 PM
Subject: [aprssig] MFJ 1270B


>    I just pulled my old TNC out.  It is an MFJ 1270B with version 1.2.9
> firmware.
>
>                        MFJ ENTERPRISES INC TNC-2
>                        AX.25 Level 2 Version 2.0 + FAX
>                        Release 1.2.9  12/23/92 - 32K RAM
>                        Checksum $17
>
>    I have three questions.
>
>                        1.    Can I run an IGATE at home with this TNC?
>
>                        2.    Will this version of firmware do (I suspect I
> need to upgrade it)?
>                    If so, should I get the 1.1.9 with KISS from TAPR or is
> there another
>                    version?
>
>                        3.    Is 32k enough memory or should [or can] I add
> more?
>
>    The manual is in PDF format (I downloaded the 1270C manual from the MFJ
> site).  It's difficult to find things having to scroll through nearly 300
> pages.
>
>    I'll keep looking.  But if any of you can answer this, I'd appreciate
> hearing from you.
>
>    73,
>
>
>
>
> Fred, WB4AEJ
>
>
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