MSD-72 series Command Guide
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3-pin Terminal block RS-232C ports
Fix RS-232C cable to the attached 3-pin terminal block, and then connect it to the MSD.
AWG28 to AWG16 conductor gauge is recommended. The recommended wire strip length is 7 mm/0.28 inch.
If it is connected to a D-sub9 pin, cut RTS, CTS, DTR, and DSR (unused) as needed.
Tx
Rx
GND
RS-232C Tx
RS-232C Rx
GND
Up to 7 mm (0.28 inch approx.)
[Figure 2.2] Connecting RS-232C cable to 3-pin terminal block connector
2.1.2 RS-232C communication specification
[Table 2.2] RS-232C specification
Standard
RS-232C
Baud rate [bps]
4800 / 9600 / 19200 / 38400 [bps]
Data bit length [bit]
7 / 8
Parity check
NONE, EVEN, ODD
Stop bit [bit]
1 / 2
X parameter
Invalid
Flow control
None
Delimiter
CR LF (Carriage return and line feed, 0D and 0A in hex)
Communication method
Full duplex