General Information

Serial #

A00710023721

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

NON-FERROUS METAL CASING WITH SYNTHETIC FRONT & BACK PANELS/ METAL & SYNTHETIC WORKING PARTS/ RUBBER? FEET

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

24.3 cm

Width

14.0 cm

Height

4.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Computing Technology

Category

Digital peripheral devices

Sub-Category

N/A

Manufacturer

AKA

Hayes

Country

United States of America

State/Province

Georgia

City

Norcross

Context

Country

Canada

State/Province

Ontario

Period

Unknown

Canada

USED AT NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY AS PART OF ITS COMPUTER SYSTEM.

Function

DEVICE THAT ENABLES DATA TO BE TRANSMITTED BETWEEN COMPUTING DEVICES USING EXISTING TELEPHONE LINES, BY CONVERTING OUTGOING DIGITAL SIGNAL TO ANALOG FOR TRANSMISSION, OR CONVERTING INCOMING ANALOG SIGNAL TO DIGITAL.

Technical

EXAMPLE OF ASYNCRHONOUS, INTELLIGENT MODEM PROBABLY MAKING USE OF DIFFERENTIAL PHASE-SHIFT KEYING TO ACHIEVE HIGH BPS. AFTER HAYES MARKETED FIRST DESKTOP COMPUTER-INTELLIGENT MODEM, OUTSIDE PROGRAMMERS WROTE COMPATIBLE SOFTWARE, OBLIGING OTHER MFRS. TO MAKE THEIR MODEMS SIMILAR TO HAYES' TO BE ABLE TO USE SOFTWARE. THUS HAYES MODEM PROTOCOL BECAME NATIONAL STANDARD IN U.S. (REF.1)

Area Notes

Unknown

Details

Markings

WHITE LETTERING ON FRONT READS 'V Series/ Smartmodem 2400/ Hayes'/ WHITE LETTERING ON BLACK LABEL ON UNDERSIDE READS 'V-Series/ Smartmodem 2400(TM) MODEL NUMBER 1002US/ Hayes(R) Microcomputer Products, Inc.' & 'Made in U.S.A.', & WHITE 'Serial Number:' FOR WHITE BAR CODE NUMBERED 'A00710023721'/ LABELS ON UNDERSIDE READING 'Communications Canada/ 219-2470 A' & 'VSM2400/ 1002US/ V 5.3'/ WHITE LETTERING FOR CONTROL FUNCTIONS ON BACK

Missing

APPEARS COMPLETE

Finish

BRUSHED METAL CASING WITH BLACK SYNTHETIC FRONT & BACK PANELS, PARTS/ PLATED & METALLIC PARTS/ RED DISPLAY LIGHTS/ BLACK FEET

Decoration

N/A