Tandy Radio Shack TRS-80 Model 100/Acoustic Coupler

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Tandy Radio Shack TRS-80 Model 100 Acoustic Coupler Catalog No. 26-3805

Acoustic coupler
Acoustic coupler
  • Type: Optional Computer Accessory
  • Size: 5 feet / 1.5 metres
  • Date of Manufacture: February 1984

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Connects the Model 100 to a telephone in situations where modular connections are unavailable. Believe me, in 1983, this was more common than you might expect. Even today, this is the only way of connecting a computer to a pay phone. Assuming you had someone with a 300 baud modem to talk to...

Cups are separable for easy storage.

DIN connector pinout
DIN connector pinout
The coupler in use
The coupler in use

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