Midi help needed with digi002 no midi at all

[Floeperd]

Hello, i own a digidesign digi 002, with pro-tools LE
and a Akai MPK49 with usb connection, in Reason i can use my digi as a soundcard, and the mpk49 works perfectly, but in Pro tools, i can use all the cool Digi002 features, but i cant get midi to work, i've tried to connect my mpk49 directly in my digi with midicables, but with no result, and the lights of midi in en midi out on my dont even light up.....
does my digi needs repair??
or do i need a seperate power supply for my akai mpk49, since i use the usb for power.....
I tried all the settings, downloaded the cs10 update, read every topic on the net about it....
i cant figure it out, used every setting in pro tools possible....
can someone please help me???