Quatech RS-232 user manual

The ESC(LP)-100 is a DTE device which connects to peripheral equipment through an adapter cable’s eight male D-9 connectors. The standard serial port connections are listed in Figure 15.

RS-232	D-9	RJ-45
Signal
TxD	3	8
RxD	2	9
RTS	7	4
CTS	8	3
DTR	4	7
DSR	6	5
DCD	1	10
RI	9	2
GND	5	6

Figure 15 --- ESC(LP)-100 D-9 connector pinouts

Figure 16 --- ESC(LP)-100 RJ-45 connector pinouts

ESC(LP)-100 User's Manual 28