Epson C82305 Series Manuale utente

EPSON

Serial Interface

Card

C82305*

C8230*

English

Deutsch

Français

ESpañol

Italiano

4000152

C01-00

NOTICE

without Seiko Epson’s express written permission is forbidden.

The contents of this manual are subject to change without notice.

All efforts have been made to ensure the accuracy of this manual. However, should any

errorSbe detected. Seiko Epson would greatly appreciate being informed of them

The above notwithstanding. Seiko Epson can assume no responsibility for any errors

in this manual or their consequences.

Serial Interface

C82305 * /C82306 *

Schnittstellenkarte

C82305 * /C82306 *

Interface série

C82305 * /C82306*

English

Deutsch

Français

Español

Italiano

Interface en serie

C82305 * /C82306*

Interfaccia seriale

C82305* /C82306*

TABLE OF CONTENTS

INTRODUCTION

About this guide

SETTING THE CONDITIONS

Card layout

DIP switch and jumper settings

DIP switches

Jumpers

DATA ENTRY

Serial communication

About data entry

Handshaking protocol

SPECIFICATIONS

HARDWARE DESCRIPTION

RECOMMENDED CIRCUIT CONNECTIONS

INSTALLATION

INTRODUCTION

The Serial Interface Card 032305 * /C82306 * is an interface

that allows asynchronous serial data communication

between a host computer and an EPSON printer.

This interface card offers the following features:

• Data transmission that can be set at either RS-232D

or 20 mA Current Loop levels (RS-232D has been

revised from the former RS-232C. Set the signal

levels for RS-232D the same as for RS-232C.)

• Handshaking protocol using X-on/X-off or DTR flag

control

• Selectable data word structure that allows you to

choose parity (Odd, Even, or None) and word bit

settings (either 7 or 8 bit)

• Selection of baud rate settings from 75 to 19,200 BPS

(Data transmission speed is limited to 1,200 BPS

when the signal level is set to 20 mA Current Loop)

l DIP switch 1 settings that you can change even after

installation

About this guide

This guide is designed to give you detailed information

on how to install your C82305 * /C82306 * serial interface

card in a variety of EPSON printers. Installation

procedures vary slightly depending upon the printer

model that you have.

Also included are instructions on how to adjust the

settings of the C82305 * /C82306 * interface card, as well as

a general description of serial data communication.

The C82305 * /C82306 * option package contains the

following items:

C82305*

C82306* serial I/F card (1)

Optional connector lock nuts (2)

Note

When attaching the interface cable to the interface, you

may find that the screws of your interface cable do not

fit into the connector lock nuts. If this happens you will need

to replace the connector lock nuts with the optional ones

provided in this package.

SETTING THE CONDITIONS

The C82305 * /C82306 * interface card has two sets of

DIP (Dual In-line Package) switches, and seven jumpers.

These switches and jumpers are used for selecting

various interface operations.

Card layout

The figure below shows the layout of the C82305 * /C82306 *

card, and the locations of the DIP switches and jumpers.

Figure 1. Card layout

DIP switch and jumper settings

Before you install the C82305 * /C82306 * interface, you may

need to adjust the DIP switch 2 and jumper settings.

You can change the DIP switch 1 settings after you

install the interface. When making DIP switch setting

changes, it is best to use a pointed device, such as a

ball-point pen or small screwdriver.

Caution

All changes of DIP switch and jumper settings should be

made with the printer power turned off. New settings

become valid only when the printer is turned on.

DIP switches

The settings on DIP switches allow you to change

interface functions. The two sets of DIP switches on the

C82305 * /C82306* are labelled SW1 and SW2. Each set

contains a number of individual toggle-type switches

that can be set either on or off. The individual switches are

referred to by set (SW1 or SW2) and number. Therefore,

the switch in set SW1 marked by the small number 3 is

called DIP switchl-3.

DIP switch 1 (interface operations)

The table below contains information on switch

functions, and the factory setting of each.

Table 1. DIP switch 1

Switch

Function ON

OFF

Factory

number setting

1-1

I/F card enable/disable Disable ON

(Note)

Enable

l-2 Word length

l-3 Parity check 1

1-4

Paritycheck

8 bit 7 bit ON

OFF

See

Table

4. OFF

l-5

l-6

Baud rate 1

Baud rate 2 See Table 5. ON

OFF

Note

Some printers have a selecting switch (or function) that

allows you to select between the optional and original

interfaces. If you install the interface card in this type of

printer, you should set DIP switch l-l on the interface

card to ON and also change the setting in the printer to

select the optional interface.

DIP switch 2 (interface operations)

The table below contains information on switch

functions, and the factory setting of each.

Table 2.

Data word structure

The data word structure is also operator selectable

through DIP switch settings (See Table 1). The word

structure for serial data is:

1 start bit +7 or 8 data bits (selectable) + 1 parity

bit (selectable) +1 or more stop bits.

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