hi!.. i'm using RB532 with XR2 ptmp to my end-user client.. i'm having trouble when the traffic >200kbps, ping rate to all my client increasing highly (3 digit).. but when the traffic is <200 kbps, ping rate at 1 digit.. i am using POE with 48V, 0,4A.. does if i change to 18V 3A will help much? i us...