Revision1.30 DCM390 Serial Interface Specification
Date 25.Apr.’06 3 page of 40
D&M
1
Serial communication interface
1.1
Physical interface
a)
DCM280 has pin Dsub female connector for serial interface.
b)
Table 1 indicates pin assignment of connector signals.
RS-232C
Terminal # Signal I/O
1 NC -
2 TxD O
3 RxD I
4 NC -
5 S.GROUND -
6 NC -
7 NC -
8 NC -
9 NC -
Table 1. Pin Assignment
c)
Figure 1 indicates diagram of RS232C and RS422A.
RS-232C
Figure 1. Serial Driver/Receiver
CPU
TXD
RXD
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