PDxx01 RS-232C Control Specification Page: 4 / 49
Document Version [1.0]
Company Restricted
1. Application
These specifications are applicable to plasma monitors and communications control from external equipment.
"Please also support the command of VP series and refer to the manual of the conventional model about
specification."
2. Connections
Connections should be made as described below.
2-1. Connector on the plasma monitor side: EXTERNAL CONTROL connector.
Type of connector: D-Sub 9-pin male
No. Pin Name
1 No Connection
2 RXD (Receive data)
3 TXD (Transmit data)
4 DTR (DTE side ready)
5 GND
6 DSR (DCE side ready)
7 RTS (Ready to send)
8 CTS (Clear to send)
9 No Connection
2-2. Connector on the external equipment side: Serial port (RS-232C) connector.
See the specifications of the equipment that is to be connected for the type of connector and pin assignment.
2-3. Wiring
Use a crossed (reverse) cable.
Wire the cable so that each pair of data lines crosses between the two devices. These data line pairs are RXD (Receive data)
and TXD (Transmit data), DTR (DTE side ready) and DSR (DCE side ready), and RTS (Ready to send) and CTS (Clear to
send).
2-4. Communication Parameters
(1) Communication system Asynchronous
(2) Interface RS-232C
(3) Baud rate 9600 bps
(4) Data length 8 bits
(5) Parity Odd
(6) Stop bit 1 bit
(7) Communication code Hex
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