Cabletron Systems CSMIM2-16 Installation Manual page 90

Appendix C: CSMIM2-16UG/MOD4-UG Port Upgrade Instructions
1. Install the correct faceplate (item 1) to mother board. Loosely install
the (3) 6-32 mounting screws, then apply slight inward pressure on
faceplate to seat faceplate and secure (3) 6-32 mounting screws.
2. Install (4) 6-32 x 3/4 Hex spacers (item 2) to mother board using (4)
6-32 screws and washers (items 5, 6) supplied.
3. Install daughter board (item 4) into front panel aligning RJ connectors
in faceplate openings then seating 50-pin stacking connector for final
alignment. Secure daughter board to spacers using 6-32 screws and
washers (items 5, 6) supplied.
4. Install stiffeners (item 3) to faceplate and daughter board using
existing 4-40 flathead screws and (2) 6-32 x 3/8 screws and washers
(item 6, 7) supplied.
5. After final assembly, inspect faceplate to insure that it makes full
contact with grounding fingers of RJ connectors.
6. Transfer Revision and serial number to blank label (item 8) supplied
and install on front panel as shown.
C-12 CSMIM2 Installation Guide