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Measurement Computing Extender488 User Manual

Page 7

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Section 1

Introduction

1-3

1.3 Extender488 SPECIFICATIONS

IEEE 488-1978

Implementation:

Proprietary transparent control and data transfers.

Connector:

Standard IEEE 488 connector with metric studs.

Serial Interface

EIA RS-422A:

Balanced voltage on TxD and RxD.

Connector:

9-pin Sub-D female.

Character Set:

Proprietary asynchronous bit serial.

Baud Rate:

Selectable 300, 600, 1200, 2400, 4800, 9600, 19,200 and
115,200.

Data Format:

Selectable 7 or 8 data bits; 1 stop bit; odd parity.

Max. Cable Length:

1000 meters.

General

Data Rates:

Specifications apply to data transfers after
addressing has been established.
Baud Rate

Data Rate (bytes per second, avg)

300

13

600

26

1200

53

2400

105

4800

204

9600

385

19.2K

691

115.2K

3400

Indicators:

LEDs for IEEE Talk, Listen, SRQ, Error and Power.

Power:

105-125V or 210-250V; 50-60 Hz, 10 VA Max.

Dimensions:

188mm deep x 140mm wide x 68mm high (7.39" x 5.5" x

2.68").

Weight:

1.35 kg. (3.1 lbs).

Environment:

0¡ - 50¡C; 0 to 70% R.H. to 35¡C.
Linearly derate 3% R.H./¡C from 35¡ to 50¡C.

Controls:

Power Switch (external),
Serial parameter switches (internal).

Specifications subject to change without notice.

This manual is related to the following products: