Radio Shack TRS-80 Telephone Interface II / Modem
date: label: Date made
content: c 1980
name: label: maker
content: Tandy Corporation
notes: label: Description
content: In order to transmit signals over a telephone line, early microcomputers and other electronic equipment used modems (modulator/demodulators) to convert data from a digital format into a format suitable for an analog transmission medium such as telephone. This device, with its black plastic case, had two wells that held a phone handset, an internal circuit board, and a ribbon cable that connected to a TRS-80 microcomputer. It allowed the microcomputer user to interface over a phone line - the object is marked: Radio Shack (/) TRS-80(/) TELEPHONE (/) INTERFACE (/) II. A paper tag on the bottom reads: CUSTOM MANUFACTURED IN U.S.A. FOR RADIO SHACK (/) A DIVISION OF TANDY CORPORATION FORT WORTH, TX 76102. The device is model number 26-1171 and serial number 01418.
label: Description
content: The TRS-80 computer shown in image 2006-23899 (which is linked to the record for this modem) has museum number 1983.0169.01. However, that microcomputer was not received with a printer or a modem / telephone interface.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Computers
creditLine: label: Credit Line
content: Jon Eklund
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2006.0132.21
label: catalog number
content: 2006.0132.21
label: accession number
content: 2006.0132
objectType: label: Object Name
content: Microcomputer Component
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 2 1/4 in x 4 3/4 in x 10 in; 5.715 cm x 12.065 cm x 25.4 cm