NEC NDA-24300 manual List of Figures

Models: NDA-24300

1 653
Download 653 pages 50.84 Kb
Page 21
Image 21

 

 

LIST OF FIGURES

 

Figure

Title

 

Page

Figure 2-1

Flow of Administrative Management Procedures

3

Figure 2-2

System Configuration

5

Figure 2-3

Face Layout of IMG0

6

Figure 2-4

Face Layout of IMG1

7

Figure 2-5

Face Layout of IMG2/3

8

Figure 2-6

LENS Format

9

Figure 2-7

Module Group Allocations

9

Figure 2-8

Unit Number Allocations

10

Figure 2-9

Group Number Allocations

11

Figure 2-10

Level Number Allocations

12

Figure 2-11

LP Number Allocations

13

Figure 2-12

System Message Example

14

Figure 2-13

Fault Detection General Diagram

15

Figure 2-14

Fault Detection Block Diagram

16

Figure 2-15

General System Block Diagram

19

Figure 2-16

CPU Controlling Block Diagram

20

Figure 2-17

Speech Path Block Diagram

22

Figure 2-18

Speech Path Range of Fault

24

Figure 2-19

3M®

Model 8012 Portable Field Service Kit

27

Figure 2-20

How to Hold a Circuit Card

27

Figure 2-21

How to Set the ROM in IC Socket

28

Figure 2-22

How to Clean the Connector Portion

29

Figure 2-23

How to Clean Gold-Plated Terminal

29

Figure 2-24

Diagnostic Work Items and Symbols Example

32

Figure 2-25

Recovery Procedure Example

33

Figure 2-26

Circuit Card Version Number, Program Name, and Program Package Version Number . . . .

34

Figure 4-1

Circuit Card Mounting Face Layout of LPM

240

Figure 4-2

CPR Face Layout

242

Figure 4-3

How to Replace the CPU

243

Figure 4-4

Removal of Front Panel and Top Cover from CPR

244

Figure 4-5

Insertion of ISAGT and LANI Cards

245

Figure 4-6

Reattachment of CPR Top Cover and Front Panel

246

Figure 4-7

Accommodation of New CPR into LPM

247

Figure 4-8

Insertion of New HFD into CPR

248

Figure 4-9

Removal of Front Panel and Top Cover From CPR

254

Figure 4-10

Insertion of ISAGT and LANI Cards

255

Figure 4-11

Reattachment of CPR Top Cover and Front Panel

256

Figure 4-12

Location of New CPR Into LPM

257

Figure 4-13

Insertion of New HFD Into CPR

258

Figure 4-14

Circuit Card Mounting Face Layout of TSWM

266

Figure 4-15

System Block Diagram (Connections Between GT and CPU)

268

Figure 4-16

System Block Diagram (TSW and Other Speech Path Echelons)

273

Figure 4-17

LEDs and Switches for TSW Changeover

274

Figure 4-18

Circuit Card Mounting Face Layout of PIM

283

Figure 4-19

FANU Locations

296

Figure 4-20

Preparation for FANU Replacement (Fans on TOPU)

297

Figure 4-21

How to Replace FANU (Fans on TOPU)

298

Figure 4-22

Preparation for FANU Replacement (Fans in Fan Box)

299

Figure 4-23

How to Replace FANU (Fans in Fan Box)

300

LIST OF FIGURES

NDA-24300

 

Page x

 

 

 

Issue 1

 

 

 

Page 21
Image 21
NEC NDA-24300 manual List of Figures