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.
Unlock and open rear access door of CMA.
Tag and disconnect RS-485 cable assembly from I/O Card.
Remove RS-485 cable from CMA.
Tag and disconnect RS-485 cable assembly from Communications CCA installed in computer upper jack.
Remove RS-485 cable assembly.
Repair in accordance to Appendix D, figure 1.
Route RS-485 cable assembly between CMA and personal computer.
Connect RS-485 cable assembly without the ground to Communications CCA upper jack and remove tag.
Route the other end of the RS-485 cable assembly through access in CMA.
Connect RS-485 cable assembly to I/O CCA and remove tags.
Close and lock rear access door.
Refer to TM 5-6350-280-10 and power on equipment.