XBEE PRO 802.15.4 7-RS485 TX ENABLE HI" IO setting not found

XBee & XBee Gateway XBee - 802.15.4
1

Hello.
I’ve got two Lego Mindstorms nxtbee modules, and they work perfectly with xbee (non pro) modules (dexterindustries.com).
Since I got also two Xbee Pro S1 modules, I would like to try those on the interfaces.
Unfortunately, on those modules I am not able to activate the “7-RS485 TX ENABLE HI” IO setting.
The modules are correctly recognized by X-CTU as “XBEE PRO 802.15.4”…
Any hint??
Thanks,

–Federico

2

Auto-reply:
they worked with a slightly older firmware.

Thanks anyway,

–Federico