Help connecting HOA1404-2

Forum 2005-2010 (read only) Hardware Interfacing
1

I have bought a HOA1404-2 Phototransistor with 4 pins

christinamnguyen.com/poe/sensor.pdf

Being new to Arduino, I need help in regards to what pin goes where?

Anode : 5v
Cathode : Gnd
Collector : e.g. digital pin2?
Emitter : 5v?

Thanks
Lars