... loop, order remote loop.(6) support 2 impedances: 75 Ohm unbalance and 120 Ohm balance.(7)Have Ethernet monitor self-reset function, equipment ... E1-4ETH /ACE1-4ETH interface convertor,75Ω,120Ω,220VE1-4ETH /DC/48E1-4ETH interface convertor,75Ω,120Ω,DC-48VE1-4ETH /DC/24E1 ... -4ETH interface convertor,75Ω,120Ω,DC+24Vpackaging content: E1-4ETH interface convertor1power supply cable( ...