Randy I've gone blue in the face with how many times I've powered on and off
the stuff. The FMI cable I'm using came directly from Scott, here's a link.
https://www.argentdata.com/catalog/product_info.php?cPath=28&products_id=114
Yes I am using an external OT2m as I don't think it could quite fit in the
Motorola GM300 I have.
Regards,
-Frank C.
On Jul 15, 2010, at 7:53 PM, Randy Love wrote:
> Well, Frank. donno what else either.
>
> You have tried powering the OT2m first, then the Nuvi, several times,
> powering off and back on each on every attempt, correct?
> I seem to remember having to do that sequence so the the OT2m would sense the
> Nuvi and put it into FMI mode.
>
> I have 3 Nuvi/OT2m/T2-135 combos. Aside from double checking the pinouts,
> don't know what else to tell you.
>
> Now, let's make sure of couple of things:
>
> 1) you are using the Garmin Data Cable for the Nuvi 350, the one with 00813
> in the part number, correct?
> 2) you are using an OT2m (external to the radio), not a T2-135 placed inside
> an Alinco DR-?35T, correct?
>
> If you answered no to 1, and you aren't using a Nuvi 350 ( or similar ), then
> you possibly have the wrong FMI cable.
>
> If you answered no to 2, then double check the wiring on the DB9 connector.
> Pins 2 and 3 are REVERSED between the T2-135 setup and the OT2m setup. In
> either case, you can easily reverse the pins to see if that fixes it by
> putting a null modem adapter between the OT2m and the Nuvi. If the pins are
> incorrectly wired, it won't hurt anything as they are low level data signals.
>
> Quickly running out of suggests, but having 2 bad FMI cables is very unlikely.
>
> Gotta finish a couple of other items here for an MS150 Bike event this
> weekend.
>
> 73,
> Randy
> WF5X
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