![](https://coimages.sciencemuseumgroup.org.uk/35/918/large_thumbnail_1993_0722.jpg)
Alarm card for second generation 30-channel PCM, 1982
- Made:
- 1982
![Alarm card for second generation 30-channel PCM, 1982](https://coimages.sciencemuseumgroup.org.uk/352/805/small_thumbnail_smg00078141.jpg)
![Alarm card for second generation 30-channel PCM, 1982](https://coimages.sciencemuseumgroup.org.uk/72/195/small_thumbnail_2014_0401__0001_.jpg)
![Alarm card for second generation 30-channel PCM, 1982](https://coimages.sciencemuseumgroup.org.uk/72/196/small_thumbnail_2014_0401__0002_.jpg)
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