Compaq Contec COM-2(PC)F - Manual (Page 53)

Appendix
COM-2(PC)F
44
Cable Connection
When running the sample programs 1 to 11 (except 8 and 9), use the
interconnection cable as shown in Figure 6.2. for connection with
the mating device in the Compatible mode. For use in the
Enhanced mode, on the other hand, use the cross cable or the
interconnection configuration diagram in Figure 6.2.
Pin No.
6
3
2
4
5
1
8
Signal
7
TXD
RXD
SG
DCD
DTR
DSR
RTS
CTS
TXD
DTR
SG
RTS
CTS
DSR
RXD
DCD
3
6
2
4
5
8
7
1
CH1 External device or CH2
Pin No. Signal
Figure 6.2. 9-pin Connector Diagram