Rs-232C Connector; Specification Of Rs-232C Communication - IDK MSD-501 Command Reference Manual

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2.1.2 RS-232C connector

RS-232C pin assignments:
RS-232C
connector
1
6
D-sub 9 Pin male
(Rear panel)

2.1.3 Specification of RS-232C communication

Compliant standard
Baud rate
Data bit
Parity check
Stop bit
X parameter
Flow control
Delimiter
Communication method
Pin#
 NC
1
5
 RD
2
 TD
3
 NC
4
 GND
5
9
 NC
6
 RTS
7
 CTS
8
 NC
9
[Fig. 2.3] RS-232C connector
[Table 2.1] RS-232C specification
RS-232C
4800, 9600, 19200, 38400 [bps]
7, 8 [bit]
None, even, odd
1, 2 [bit]
Invalid
None
CR LF (Carriage return and line feed, 0D and 0A in hex)
Full duplex
MSD
Signal
(Not Connected)
(Received data)
(Transmitted data)
(Not Connected)
(Ground)
(Not Connected)
Request to Send
(Clear to Send)
(Not Connected)
MSD-501/502 Command Guide
Control Unit
Signal
Cross
  NC
Cable
  RD
  TD
  NC
  GND
  NC
  RTS
  CTS
  NC
7

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