4. Slide the main circuit board out of the chassis far enough to unplug the power connector.
5. Unplug the power connector from the main circuit board.
6. Slide the main circuit board completely out of the chassis and place on a non-conductive, static-safe
tabletop surface.
7. Remove mounting hardware (2 screws, 2 nuts, and 4 standoffs) from its package.
8. On the phone-jack side of the circuit card, three screws attach the circuit card to the back panel. Two of
these screws are adjacent to the four phone-jack pairs. Remove these two screws.
9. Replace these two screws with standoffs.
Multi-Tech Systems, Inc.
back panel screws (3)
Figure C-3: Remove screws from back panel
Figure C-4: Accessing the power connector
Screw locations (2)
at phone-jack edge
of board.
Figure C-5: Screws replaced with standoffs
Appendix C: MVP428 Upgrade Card
power connector
138