7
7-15
Programming Device PG 740
C79000-G7076-C742-01
The serial port (COM2 on the PG 740 has the following pinout:
1
5
6
9
Figure 7-7 COM2 Serial Port
Pin No.
Designation Description Input/Output
1 DCD (M5) Data carrier detect Input
2 RxD (D2) Receive data Input
3 TxD (D1) Transmit data Output
4 DTR (S1) Data terminal ready Output
5 GND (E2) Functional ground -
6 DSR (M1) Data set ready Input
7 RTS (S2) Request to send Output
8 CTS (M2) Clear to send Input
9 RI (M3) Incoming call Input
Serial Port
(V.24/ Mouse)
Hardware Information
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