Internet LAN cable test AC/DC

Connected

Subscription speed = 2 Megabits

Ideal Download Speed = 2546 kbps 

Ideal Upload Speed = 394 kbps

DC voltage from the LAN cable = 48.6 volts

AC voltage from the LAN cable = 106.4 volts

Amperage = 0.3 amp

Frequency = Unknown

Disconnected 

DC voltage from LAN cable = 48.6 volts

AC voltage from LAN cable = 106.4 volts

Amperage = 0.2

Causes

1. AC interference from other cables
2. Weak/intermitten signal
3. Lightning - power surge