User's Manual

CHAPTER 5 NDA-24300
Page 366
Issue 1
FAULT REPAIR PROCEDURES
7.3 Fault That Cannot Be Detected
Check the DSP flat cable (See Figure 5-10.).
If the EMA card is removed from the system while the system is in operation under
the control of the CPU #1, the system will reset and stop all call processing. See
Section 1.3.2, EMA Card Replacement Procedure, in Chapter 4 for detailed instructions.
Replace the EMA circuit card with a spare.
Set the MB switch of the EMA circuit card, and extract the circuit card from its mounting
slot.
Make necessary switch settings on the new circuit card.
Set MB switch UP side and insert the circuit card into its mounting slot.
Set the MB switch DOWN.
Check to see if a fault is detected.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
START
END
WARNING