Do not work on CMA with 120 Vac power on. Always work with another person
nearby who is familiar with hazards of electronic equipment and is competent in
administering first aid. Failure to obey this warning could result in death or injury.
Tag and disconnect all cables.
Remove four screws (1), lock washers (2), and flat washers (3).
Remove I/O card (4) from mounting bracket (5).