Artifact Details

Title

Acoustic modem

Catalog Number

102785584

Type

Physical Object

Manufacturer

Carterfone Communications Corporation

Identifying Numbers

Model number DM-328
Serial number 7090

Dimensions

overall: 3 1/2 in x 9 5/8 in x 9 in

Description

The object is an acoustic modem. On the front are two blue lights labeled, "CARRIER" and "POWER." Two acoustic coupers are on the top. They were flexibly mounted on foam which has deteriorated. A slide switch projects from the front face with three positions, "OFF", "HALF", and "FULL." On the back is a DB25 connector and a Molex connector.

Category

I/O/modem

Credit

Gift of Steve Hayes

Lot Number

X8831.2019