help w/ d15 distributor

trying to pick up a '90 civic dx asap.
needs a distributor & i've got an old distibutor here from my old job.. but im not sure exactly what it is like..

anyone help me out?

does the stock 90 dx d15 distributor have 3 plugs? or 2 plugs?

the dist. i have has 2 round plugs. one for the coil, round, 2 prongs.. and another round one, larger, with 7 prongs..
and the cap itself has 3 screws holding it to the dizzy.

on the face of the dist, the plates on the 3 legs that faces the head has 2 slots on each leg, doesnt go all the way through, but are there.. plus the adjusting slots, right?

can anyone let me know if this is the correct one?
i got it from my old job, from a jdm motor.. i heard somewhere, someone thinks that jdm w/ usdm distibutors would not be compatable.. any help?

pics:

http://www.imagestation.com/picture/sraid104/paf637ca6130858a009e4f93fc2646b3a/f98ef04a.jpg

http://www.imagestation.com/picture/sraid104/p13b59ebecf478e7d0898b2c5838a55b1/f98ef049.jpg

http://www.imagestation.com/picture/sraid104/p7d25c44b7f9e4a6cad39a8c6f696b837/f98ef047.jpg

http://www.imagestation.com/picture/sraid104/p5e38e394660be8b50f83618a468044fb/f98ef046.jpg

thanks in advanced..

just go to a swap shop

swap shop?