UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE

GT Card Replacement Procedure

WARNING

Use extreme care when operating the keys on the DSP of CPR and PH-GT09 card.

START

On the DSP of active CPR, turn ON the MBR key. Turn OFF the MBR key again.

ATTENTION

Contents

Static Sensitive

Handling

Precautions Required

System changeover of GT from ACT to STBY mode

 

 

 

 

 

 

 

DSP

 

 

 

MBR

 

 

CPUOPE WDT IMG0

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IMG1

IMG2

IMG3

1

2

3

4

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

 

 

 

OFF

 

 

 

 

 

 

 

4

6

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

C

 

 

1

2

3

4

5

6

7

8

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

FRONT VIEW

GT (PH-GT09)

OPE/MB

MB

MBR

Confirm the mate GT's ACT mode.

On the EMA (PH-PC40) card, set the EMA SUP key UP.

A

Check the following lamp indications on the GT card to be replaced and on the DSP of CPR that controls the GT:

OPE/MB (GT card) = OFF

CPU OPE (CPU DSP) = OFF

IMG0 (CPU DSP) = Flash (green)

IMG1-3 (CPU DSP) = OFF

Check the following lamp indications on the mate GT card and the DSP of the mate CPR:

OPE/MB (GT card) = Steady-green

CPU OPE (CPU DSP) = Steady- green

IMG0-3 (CPU DSP) = Flash (green)

EMA SUP lamp on the EMA card is steady-green.

NDA-24300CHAPTER 4

Page 269

Issue 1

Page 296
Image 296
NEC NDA-24300 manual GT Card Replacement Procedure, System changeover of GT from ACT to Stby mode, Cpu Ope Cpu Dsp = Off