Xerox OLYMPIA ELECTRONIC COMPACT - SETUP INSTRUCTIONS; Computer Hookup

SETUP~RUCTIONS
SERIAL
The Electronic Compact serial interface board has the following
features:
Computer Hookup
* RS 232 Compatible
* Baud Rates from 75 to 19,200 Baud
* Selectable Handshake Polarity
* Selectable CR-LF logic
* Xon/Xoff Protocol supported
* ETX/ACK Protocol supported
* Approximately 70 character buffer
Refer to the operating instructions of the host computer to
determine which pins should be connected for proper operation.
Normally only three wires are needed. These are usually Ground,
RTS ·(Handshake) and RXD (Receive Data). The above wires on the
D80 interface connect to ground, Handshake (CTS-RTS-DTR, etc.)
and TXD Transmit data on the host computer.
Optional interface
cables
are
available in these configurations
(see
also attached cable reference chart).
20X 4X 5X
RTS (Handshake)
Pin 20 Pin
4
Pin
5
RXD
(Receive Data)
Pin 3 Pin 3
Pin
2
TXD
(Transmit Data) Pin
2
Pin
2
Pin
3.
GND (Signal Ground)
Pin
7
Pin
7
Pin
7
In an application which uses Xon/Xoff or ETX/ACK protocol, the
RTS (Handshake) is not used, and the TXD (Transmit Data) is
connected to the RXD (Receive Data) on the host computer. If
ETX-ACK Protocol is used, the Block length must not exceed 64
characters.
The Electronic Compact interface board is delivered with the baud
rate preset to 1200 baud and the handshake polarity high· ready.
The carriage return and line feed logic is set such that a
CR=Carriage Return plus Line Feed and LF is ignored.
Provisions are made for changing the defaults as shown on page 5,
"To change defaults".
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