— 42 —7-2. ON-lineOnly the RS-232C Com3 port can be connected with a modem or perssonal computer.1. Direct connection to PC1-1. Connection layoutUsing Com3 port1-2. Cable wiringQT-2000 (Com3) PCPin No. Signal name Pin No. Pin No. Signal name(DSUB9) (DSUB25)3 SD / TXD 3 2 SD2 RD / RXD 2 3 RD7 RS / RTS 7 4 RS8 CS / CTS 8 5 CS1 CD / DCD 1 8 CD4 ER / DTR 4 20 ER6 DR / DSR 6 6 DR9 CI / RI - 22 CI5 GND 5 7 GNDKP KP KPQT2000QT2000QT2000QT2000R/JSlip SlipSlipKPPCRS-232CUp to 4 kitchen printersKP/M CHK/BM CHK/M KP/BM
