NEC NDA-24300 manual Fault That Cannot Be Detected

FAULT REPAIR PROCEDURES

7.3 Fault That Cannot Be Detected

ATTENTION

Contents

Static Sensitive

Handling

Precautions Required

START

Check the DSP flat cable (See Figure 5-10.).

WARNING

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.

END

CHAPTER 5 NDA-24300

Page 366

Issue 1