Bell System/Western Electric Apparatus Help?

I am looking for some help in identifying some equipment. I have a couple of Western Electric/Bell System/ATT apparatus units. 30AM. One has an RN1J82 number. I think they are part of paging adapters; one is labeled EMERGENCY AUDIO. I'd be happy to email a picture if someone can help me identify what they are, and perhaps send me a BSP. I have a bunch of BSP manuals, but don't have a number and haven't been able to find it.

Can anyone assist?

snipped-for-privacy@muderick.com

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Michael Muderick
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