Xbee Connection Problem

We have the Xbee pro 900mhz and after not having used the ardupilot board or Xbees for a couple of months, we connected everything to ensure functionality and are unable to get them to connect. We have tried using the unbrick procedure outlined on the wiki site and have also verified all baud rates are correct with no luck. The only thing different from the last time the Xbees were used is we loaded the newest version of the Fixed wing code. Assuming that we have followed every step to the letter and that every connection is sound what would be the next possible problem for the inability to connect?

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3D RoboticsPermalink Reply by Chris Anderson on February 6, 2012 at 10:51pm

I assume you've matched their VIDs?

Permalink Reply by Joshua.Snow on February 7, 2012 at 12:05am
Yes, they have been matched.

3D RoboticsPermalink Reply by Chris Anderson on February 7, 2012 at 12:10am

loopback working?

Permalink Reply by Umer on April 19, 2012 at 8:42pm

Can u please elaborate on the power levels. i had been testing with Xbee pro wire and RPSMA 2.4 at a distance of approx 20 ft and my Xbee pro wire is unserviceable now.

Permalink Reply by Hein du Plessis on April 19, 2012 at 10:20pm

Like Johnny said, perhaps the two units are too close to each other to connect when testing. Increase the distance or remove  the ground ducktail antenna. I did not even realise one can decrease the power.

I always check for a green light on the ground Xbee, then I know it's connected to the plane-side. If you don't see this, reprogramming helps me, though you say you have been trying the unbrick procedure.

What Xbee pro wire are you referring to?

Permalink Reply by Umer on April 19, 2012 at 10:45pm

I am talking about 2.4 GHz XBee-PRO RF Module Whip Antenna S1 mounted on XtreamBee board at the arducopter, while at a distance of 20 ft. I got the problem, just looking at the possibility if distance has to do anything with it? Because really the problem still is a myth to me.

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