534211_534411_534281_534481_block diagramINDS-20 dB-20 dBOUT DSForward path input attenuator0-18 dB, 2 dB stepsForward path input equalizer0-18 dB, 2 dB stepsTilt0 or 6 dBForward path interstage attenuator0 or 5 dBForward path outputReturn path inputReturn pathinput attenuator0-18 dB, 2 dB stepsReturn pathinput equalizer0/3/6 dBForward path inputReturn path output Pin not used Output active/passive Configuration pathOutput active/passive Configuration path