I acquired several Kodak IR laser 837 nm modules that have a fiber optic attached. 8 connections:
TEC (-)
LASER (A)
THERM (2)
THERM (1)
LASER (C)
MPD (A)
MPD (C)
TEC (+)
With a Fluke 77 in diode test position, red connected to LASER (A), black to LASER (C), I get 1.3 V
drop indicated. Module...