Chapter 4

RS232C Port Wiring

4.1 RS232C Port Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 − 3

4.2 Wiring between RS232C Ports . . . . . . . . . . . . . . . . . . . . 4 − 5 4.2.1 Connecting to a Personal Computer . . . . . . . . 4 − 5

4.2.2Connections with Operation Display Panel . . 4 − 6

4.2.3 Connections with RS232C Devices . . . . . . . . 4 − 7 4.2.4 Modem Connections . . . . . . . . . . . . . . . . . . . . . 4 − 8