Radio Modems

[ChuckDickerson]

Does anyone have the connector pin-out diagram for the IFI/Ewave RS-422 radio modems? I have checked the IFI and Ewave web sites and the closest thing I can find is in the Ewave RF Modem Tech Manual: http://www.electrowave.com/downloads...em_techman.pdf section 3.2 pg. 7 that has the standard RS-232 pin-outs and says see the Ewave website for the Screamer422 RF modem pin-outs. I can't find any info on the RS-422 pin-outs on either site. Also, does anyone have any info on the "RM2000" mode used by these modems?

I have a side project that I am using an IFI RC & OI and the standard modems for but would like to have more range than the typical 300' using the IFI/Ewave RF modems. I am considering testing out a pair of these: http://www.maxstream.net/ specifically one of these: http://www.maxstream.net/products/xs...g/9xstream.php or these: http://www.maxstream.net/products/xtend/pkg/9xtend.php but they are fairly expensive so I would like to know if they will work before I fork over the $$$. From what I have read I don't see why not but I can't seem to figure out the pin-outs on the IFI RC/OI radio modem ports so I wouldn't know how to make the interface cable if I purchased the MaxStreams. Has anyone else ever tested any of these MaxStream RF modems in RS-422 mode with the IFI control system? Any help greatly appreciated.