Quatech DSCLP/SSCLP-100 user manual RS-232, Port, Signal

The DSCLP-100 is a DTE device which connects to peripheral equipment through a single male D-25 connector, or using the adapter cable, two male D-9 connectors. The standard serial port connections are listed in Figure 18.

RS-232	Port 1		Port 2
Signal	D-25	D-9	D-25	D-9
TxD	2	3	9	3
RxD	3	2	10	2
RTS	4	7	11	7
CTS	5	8	12	8
DTR	20	4	19	4
DSR	6	6	13	6
DCD	8	1	25	1
RI	22	9	23	9
GND	7	5	1	5

Figure 18 --- DSCLP-100 connector pinouts

33 DSCLP/SSCLP-100 User's Manual