... modem that operates in full-duplex mode over 2-wire twisted pair lines. Compatible with RAD ASM-31,LOOP-U3500,TAINET DT128 ... power supply*-48V DC & 220V AC power supply optionalSpecifications:Line interfaceComply with ANSI T1.601,1988Line type:2wire unconditioned, twisted pairLine coding ... :RJ45DCE interfaceData rate:Synchronous:0.6,1.2,2.4,4.8,9.6,19.2,38.4,48,64,128KbpsAsynchronous:0.6 ...