TABLE OF CONTENTS (CONTINUED)

 

 

 

Page

17-O

IOC MB Key Turn ON

209

17-P

IOC MB Key Turn OFF

210

17-Q

IOC MBR Key Turn ON

211

17-R

IOC MBR Key Turn OFF

212

23-P

DCH Back-Up Automatic Change Start/End

213

23-Q

DCH Back-Up Manual Change Start/End

215

23-Y

MUX Clock Failure

217

23-Z

Both MUX Clock Failure

218

26-N

MAT Log

219

26-R

Call Trace

220

26-V

LAN Interface Error Report

224

26-W

LAN Interface Release Report

228

33-A

MUX Clock Restore

230

33-B

SDT Alarm Warning

231

33-C

SDT Alarm Trouble

233

33-D

SDT Alarm Restore

236

33-E

SDT Interface Change Notify

237

CHAPTER 4 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE

239

1. LPM ACCOMMODATING UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE

239

1.1

Precaution

239

1.2 Circuit Card Mounting Face Layout

239

1.3

Operating Procedures

241

 

1.3.1 CPR Replacement Procedure

242

 

1.3.2 EMA Card Replacement Procedure

258

 

1.3.3 IOC Card Replacement Procedure

261

 

1.3.4 Power Supply Unit Replacement Procedure

263

 

1.3.5 MISC Card Replacement Procedure

265

2. TSWM ACCOMMODATING CIRCUIT CARD REPLACEMENT PROCEDURE

266

2.1

Precaution

266

2.2 Circuit Card Mounting Face Layout

266

2.3

Operating Procedures

267

 

2.3.1 GT Card Replacement Procedure

268

 

2.3.2 TSW Card Replacement Procedure

272

 

2.3.3 DLKC Card Replacement Procedure

277

 

2.3.4 PLO Card Replacement Procedure

279

 

2.3.5 PWR SW Card Replacement Procedure

281

 

2.3.6 MISC Card Replacement Procedure

282

3. PIM ACCOMMODATING CIRCUIT CARD REPLACEMENT PROCEDURE . . . . . . . . . . . . . . . . . . . 283 3.1 Precaution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 3.2 Circuit Card Mounting Face Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 3.3 Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 3.3.1 LC/TRK Circuit Card Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 3.3.2 MUX Card Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 3.3.3 SDT Card Replacement Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 3.3.4 PWR Card Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

4. FAN UNIT REPLACEMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

5. CPR COOLING FAN REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

TABLE OF CONTENTS

NDA-24300

Page iv

Issue 1

Page 15
Image 15
NEC NDA-24300 manual LPM Accommodating UNIT/CIRCUIT Card Replacement Procedure, Table of Contents