Abcd parameters of two port network trainer features: instrument comprises of dc ic regulated power supplies 0-20v150ma. On board ac supply 15v two mr65 square digital round meters for voltage & current measurement. T and pie network provided on the board. Instrument fitted in highly shockproof plastics box. Instrument dimensions: 12’’x8’’ accessories: sufficient no of 4mm patch cords for interconnection instruction manual for student workbook. Power cords 230v, 50hz