Alarm card for second generation 30-channel PCM, 1982

Made:
1982
Alarm card for second generation 30-channel PCM, 1982 Alarm card for second generation 30-channel PCM, 1982 Alarm card for second generation 30-channel PCM, 1982

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Alarm card for second generation 30-channel PCM, 1982
Science Museum Group
© The Board of Trustees of the Science Museum

Alarm card for second generation 30-channel PCM, 1982
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Alarm card for second generation 30-channel PCM, 1982
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Alarm card for second generation 30-channel PCM, 1982

Details

Category:
Telecommunications
Object Number:
2014-401
Materials:
metal (unknown) and plastic (unidentified)
type:
alarm card
credit:
STC PLC - Transmission Products Division