• all parts labeled Tester (two bases, two walls, two windows)
• additional parts (window)
• ribbon cable tester board
• fasteners (PCHSS brass posts М3х8 - 4 pcs., countersunk screws М3х10 - 8 pcs., screws with M3х8 cylindrical head - 4 pcs.)

1) Install two side walls on the lower base (marked: tester ↓). To do this, position the projections of the side walls with holes in the base and snap.

2) Install the tester board.

3) Attach the board to the bottom base using four PCHSS brass M3x8 posts and four M3x10 countersunk screws.

4) Fix two windows on the bottom base. To do this, guide each window along the guides in the walls to the base and snap into place.

5) Assemble the upper base (marked: tester ↑) with the window using M3x8 pan-head screws.

Bottom view of the assembled upper base.

6) Install the top cover on the assembled body. To do this, position the cutouts on the top cover and the protrusions of the two walls and two windows and snap into place using force.

7) Attach the top cover with four M3x10 countersunk screws. This is how the assembled ribbon cable tester module looks like: