Hardware 3.1.8. Connector cables 3.1.8.1. KDT 635 PC For programming: Order number: 657.151.03 3.1.8.2. KDT 635 Control (RS 232 with KUBES protocol) For communication via KUBES protocol: Order number: 635.151.01 3 - 6 KDT 635 KDT 633 D-Sub, 9 p. 657.151.03 D-Sub, 9 p. PC 1 1 TxD 2 2 RxD RxD 3 3 TxD 4 4 Gnd 5 5 Gnd 6 6 DSR CTS 7 7 RTS RTS 8 8 CTS 9 9 RI KDT 635 KDT 633 D-Sub, 9 p. 635.151.01 D-Sub, 9 p. Control 1 1 TxD 2 2 TxD RxD 3 3 RxD 4 4 Gnd 5 5 Gnd 6 6 CTS 7 7 CTS RTS 8 8 RTS 9 9