Measurement-computing Serial488A Manuel d'utilisateur télécharger pdf (Page 3)

1.1

Introduction

1.1 Description

The

Serial488A, Serial488A/OEM

and

Serial488/512K

Bus Converters

provide transparent communication from a serial computer to an IEEE 488 printer,

plotter or other device. They also can be used to control a serial device, such as a

printer or terminal, from an IEEE 488 host computer.

As a serial to IEEE 488 converter, it receives data from a serial host then

automatically performs the bus sequences necessary to send this data to the IEEE 488

device. If desired, data can be requested from the IEEE 488 device and returned to the

host.

As an IEEE 488 to serial converter, it functions as a peripheral to an IEEE 488

controller. Data received from the controller is sent to the serial device, and data

received from the serial device is buffered for transmission to the IEEE 488 controller.

The converter can inform the host, by the serial poll status byte, that it has received

data from the serial device.

The

Serial488A

and

Serial488A/OEM

can communicate with RS-232 and RS-

422 devices by positioning configuration jumpers located within the unit. Both

devices can communicate at selectable baud rates up to 57600 baud.

The

Serial488/512K

can communicate with RS-232 devices at selectable baud

rates up to 19200 baud.

This manual will refer to all three interfaces as the

Serial488A

. Differences

between the

Serial488A

Serial488A/OEM

and

Serial488/512K

will be noted where

applicable.

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Measurement-computing Serial488A Manuel d'utilisateur Page 3