PMAC Product Guide J4 (JRS232) Serial Port Connector 36 Machine Connections J4 JRS232 (10-Pin Connector) Front View Pin # Symbol Function Description Notes 1 PHASE OUTPUT Phasing Clock 2 DTR BIDIRECT Data Term Ready Tied to DSR 3 TXD/ INPUT Receive Data Host transmit data 4 CTS INPUT Clear to Send Host ready bit 5 RXD/ OUTPUT Send Data Host receive data 6 RTS OUTPUT Req. to Send PMAC ready bit 7 DSR BIDIRECT Data Set Ready Tied to DTR 8 SERVO OUTPUT Servo Clock 9 GND COMMON PMAC Common 10 +5V OUTPUT +5VDC Supply Power supply out The JRS232 connector provides the PMAC2-PC with the ability to communicate serially with an RS232 port.
E107 and E108 must connect pins 1 and 2 to use this connector.