Lenz Digital Plus XpressNet Phone Adapter Betriebsanleitung Seite 26

26
To do so, remove the casing cover of the XPA. Hold
the circuit board of the XPA as shown in the
illustration.
At the bottom right, you see a jumper. The device is
shipped with pins 1 and 2 connected at the top and
bottom.
Unplug and re-plug the jumper so that pins 2 and 3 are
connected at the top and bottom.