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
