External Control - Toshiba 42HP82 Service Manual

External Control

Application
These specifications cover the communications control of
the plasma monitor by external equipment.
Connections
Connections are made as described below.
plasma monitor
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 3 4
1
6 7 8
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 the pin
assignment.
3) Wiring
Use a crossed (reverse) cable.
Wire the cable so that each pair of data lines cross
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).
External equipment
e.g., Personal computer
5
9
E-39
Communication Parameters
(1) Communication system
(2) Interface
(3) Baud rate
(4) Data length
(5) Parity
(6) Stop bit
(7) Communication code
Asynchronous
RS-232C
9600 bps
8 bits
Odd
1 bit
Hex