Seriss 82B Connection Block (REV-A)


Seriss 82B Block: A recreation of the Western Electric 82B connection block
Allows easy connection of 4A speakerphone system with 1A2 key phone sets that support speakerphone.


If you're interested in these boards, contact erco@seriss.com with the email Subject: "1A2 82B block inquiry" and I can supply ordering info for fully assembled/tested boards. Try to include info on which phone models you expect to use with the board, and any other details/questions you can think of.

4A Speakerphone Components



Schematic

PCB Design Files

Board Assembly And Testing Procedure