21
6.3 Serial Port
External control via RS-232C is available. The MSD controls external devices externally by serial
communication with RS-232C connector. Connect control devices such as PCs and the MSD with a serial
communication cable, and then control the MSD and acquire status using commands. For character notations
of commands and configuring communication of serial terminal, see sections
”, respectively.
[Table 6.3] Spec of serial communication
Compliance standard
RS-232C
Baud rate
4800, 9600, 19200, 38400 [bps]
Data bits
8, 7 [bit]
Parity check
None, even, odd
Stop bit
1, 2 [bit]
X parameter
Invalid
Flow control
None
Delimiter
CR LF
(Carriage return and line feed, 0D and 0A in hex)
Communication pattern Full duplex
D-sub9 pin (male)
1
5
RS-232C
connector
6
9
RD: Received Data
TD: Transmitted Data
NC: No connection
NC: No connection
NC: No connection
NC: No connection
GND: Ground
RTS: Request to Send
CTS: Clear to Send
Pin#
1
3
2
4
6
5
7
9
8
Signal
RD
TD
NC
NC
NC
NC
GND
RTS
CTS
Signal
MSD-5404
Cross
cable
Control unit
(MSD-5404 rear panel)
[Figure 6.4] RS-232C connectors and cables