Hi, all. We have tested 1310 with long distance(40km) with the firmware ver 13.3(7)ja ,ver 13.3(2)ja and ver12.2(15)ja. And found by some reason only earlier version(12.2(15)ja) can make the connection. So we like to down grade the firmware from ver1...

Hi, all.We have tested 1310 with long distance(40km) with the firmware ver 13.3(7)ja ,ver 13.3(2)ja and ver12.2(15)ja. And found by some reason only earlier version(12.2(15)ja) can make the connection. So we like to down grade the firmware from ver12...