It only monitors one phone line.
AVERAGE CURRENT WHEN FLASHING = 120uA
PEAK LED CURRENT = 15mA
4mS PULSE
2 FLASHES/SEC
APPROX. 6 MONTHS FLASHING FROM N-CELL
Authored by
Dave Johnson at
Homepage, Added: 22 Dec 2006
http://www.imagineeringezine.com/PDF-FILES/1phostat.pdf