Equipment, Pulse Generating 2A & 2B
These units were designed to provide pulses for call timing in smaller telephone exchanges. There is a 30 second output which can be used to power a relay (40mA max) which can then run standard 30 second pulse clocks.
ISIS TXA/CCT/D014 - This contains the set-up instructions
Diagram ATW622780 (PDF file)
Diagram ATW622780 - Diagram notes (PDF file)
Ron Sewell's guide to programming the EPG2A (PDF file)