J&R has recently equipped the 4 km tunnel of Descenderie de Modane, Puits d’Avrieux in France, with IP66 robust intercoms and telephones.

J&R has recently equipped the 4 km tunnel of“Descenderie de Modane, Puits d’Avrieux"in France, with IP66 robust intercoms and telephones. In case of emergency anyone can call the external guards or the 112 public emergency number, from a point located every 250 meters along the tunnel.