Turnigy 9XR radio and Rangelink transmitter Connection
I received a lot of new stuff including a Turnigy 9XR R/C radio and a rangelink long range system (LRS). The creation of a cable was needed to connect the two:
The 9XR pinout on the module port matches standard JR configuration. Top to bottom: PPM signal, +6V, +BATtery, GrouND, ANTenna (fig. 1).
The Rangelink transmitter must be provided with PPM, BAT and GND. The three pins are not in direct vicinity on the 9Xr end due to the JR configuration. So a servo connector with 3 terminals cannot be used. Since no spare 4 pin connector was available, a novel connector was created from two pre-wired JST plugs (default plug type on some low discharge battery packs). Removing one of the pins and its wires so that the +6V pin on the 9XR module port remained unused resulted in the needed configuration: PPM, none, +BAT, GND. The plugs were trimmed to match and glued together with CA. The wire terminals were soldered to the according wires on the Rangelink R/C transmitter connector providing a plug and play cable (fig 2).
The adapter with JST plug fits well on the rather long 9XR module pins, protecting them from shorts and avoiding unintential removal. The Rangelink transmitter was taped to the 9XR and the module slot was protected using fiber tape (fig 3 and 4).
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