Small 8 to 24 drop Voice and Data Networks.
12 port mini patch panel, and 66 block on 1/4 blue board w/ mushroom spooler for cross connect. supports upto 12 data, and 12 voice cables. 19" rack mount shelf simply screwed to the backboard for network equipment like switches and routers.
Same deal, 12 port mini patch and 66 block on 1/4 blue w/ 19" rack shelf mounted above AT&T's smart jack. Below that is the MPOE. In the lower right of the picture you can see a couple inches of the CLEC's integrator.
A little more capacity, this is good for 24 voice, 24 data.