Denavit-Hartenberg Frame Assignments

[MRL]

Homework Statement

I'm required to assign co-ordinate frames to an RPR robotic structure, using the Denavit-Hartenberg notation.

Homework Equations

N/A

The Attempt at a Solution

I've made the following two attempts at the problem, but i aren't sure which, if any, is correct:
http://img848.imageshack.us/i/pic1c.png/
http://img835.imageshack.us/f/pic2wk.png/

Any help would be appreciated. Thanks.

 

[MRL]

Is anyone able to help please?