Bi-directional converter from RS-232 to RS-485 and vice versa Point to point or multiple connection possible (simultaneous monitoring of several devices)DCE/DTE adjustableFull duplex transfer over 4 linesOnly data lines are converted25 pole socket on RS-232 sidePower via supplied mains adapterRobust plastic casingSize 74.5 x 54 x 18.5mm (WxDxH)