2.2.1 CTS0_SEL, CTS1_SEL (J10,17)With NO jumpers on J10 or J17 the mode selection is CTS=AUXIN. With Jumpersinstalled the mode selection is CTS=RTS.2.2.2 AUX0_SEL1,0, AUX1_SEL1,0 (J12,11,19,18)With NO jumpers on J12 or J19 the mode selection is AUXOUT=RTS. With Jumpersinstalled on J12 or J19 and NO jumpers installed on J11 or J18, the mode selection isAUXOUT=TCLK. With Jumpers installed on J12, J11 or J19, J18, the mode selection isAUXOUT=AUXIN.2.2.3 RCLK0_SEL, RCLK1_SEL (J13, 20)With NO jumpers on J13 or J20 the mode selection is RCLK=TCLK. With Jumpersinstalled on J13 or J20 the mode selection is RCLK=AUXIN.2.2.4 TGL0_SEL1,0, TGL1_SEL1,0 (J15,14,22,21)With NO jumpers on J15,14, or J22,21 the mode selection is TXEN=1. With Jumpersinstalled on J14 or J21 and NO jumpers on J15 or J22, the mode selection is TXEN=DTR. WithJumpers installed on J15 or J22 and NO jumpers on J14 or J21, the mode selection isTXEN=RTS. With Jumpers installed on J15, J14 or J22, J21, the mode selection isTXEN=”Auto Toggle”.2.2.5 RXEN0_SEL, RXEN1_SEL (J16, 23)With NO jumpers on J16 or J23 the mode selection is RXEN=1. With Jumpers installedon J16 or J23 the mode selection is RCLK=!TXEN.Quatech DSC-200/300 User's Manual 9