NEC 2400 ipx User Manual Page 92
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CHAPTER 2 NDA-24296
Page 66
Revision 1.0
PA-PW55-B
Power
PA-PW55-B
Power
1. General Function
The PA-PW55-B (PWR) circuit card supplies operating power to circuit cards accommodated in the PIM.
The -48V input power source, which is converted to +5V, -5V, and +12V, is distributed to each circuit card
in the associated PIM. This card is also equipped with a Ringing Generator Unit (RGU), whose output
frequency and voltage can be selected among 20Hz, 25Hz, 75Vrms, 90Vrms by switch setting on this card.
In addition, a Howler Tone circuit resides on this card.
Figure 2-22 Location of PA-PW55-B (PWR) Card in the System
Note:
The +80V input is required for activating Message Waiting Lamps (MWLs) .
HOW (For LC)
CR (For LC)
+5V, +12V, -5V
DC-DC
RGU
HOW
SUB
PWR
REL
NFB
PA-PW55-B (PWR)
PA-PW54-B (DPWR)
-48 V (For LC, TRK)
DC-DC
RGU
HOW
SUB
PWR
REL
NFB
-48 V
+80V (Option)
Note
+80 V (For MWL)
- NEC America, Inc 1
- Circuit Card Manual 1
- NEAX2400 IPX 10
- NDA-24296 10
- LIST OF FIGURES 17
- LIST OF FIGURES (CONTINUED) 18
- This page is for your notes 24
- LIST OF TABLES 25
- CHAPTER 1 INTRODUCTION 27
- CHAPTER 1 NDA-24296 28
- NDA-24296 CHAPTER 1 29
- NDA-24296 CHAPTER 2 45
- SN1695 CPRBF-A 46
- LANI LANI ISAGT 49
- PWR(PZ-PW92) 51
- [for IPX-UMG System] 61
- SW5 SW6 SW7 SW8 PBI No 62
- Input Output Gate 69
- Data Link Multiplexer 73
- PA-PW54-A 77
- PA-PW54-B 82
- (PA-PW54-B) 83
- PA-PW55-A 87
- ( ) 89
- PA-PW55-B 92
- Display Panel Controller 97
- 4. Lamp Indications 100
- 5. Switch Settings 100
- 6. External Interface 101
- 7. Switch Setting Sheet 102
- Input/Output Controller 103
- Mounting Module 104
- TYP0 TYP1 106
- TYP1TYP0 106
- KEY INFORMATION 109
- ALM INFORMATION 109
- LPM/CMP/LP 110
- Line Test 114
- 6. External Interface 117
- Multiplexer 119
- Line/Trunk PM 120
- HW13HW11 122
- Emergency Alarm Controller 131
- SW62 ON OFF 134
- SWA0-1 SWA0-2 SWA0-3 MUSIC 135
- Power Switch 138
- -48V in Fuse 139
- (125V AC/DC 15A) 139
- Time Division Switch 141
- TSWMs (TSWM0/1) 155
- • 4-IMG System 156
- • IPX-U system 156
- • For the card in TSWM0 156
- • For the card in TSWM1 157
- TSW Configuration] 160
- PZ-GT13 172
- 1. General Function 175
- 3. Face Layout of Connectors 179
- CHAPTER 2 NDA-24296 180
- Page 154 180
- Revision 1.0 180
- PZ-M565 181
- PZ-ME44 183
- Local Area Network Interface 185
- PZ-PC22 189
- PZ-PC23 193
- PCI bus ISA bus 194
- NDA-24296 Chapter 3 197
- Page 171 197
- 8-party Conference Trunk 198
- 1234 56 7 202
- 1234 56 78 202
- Oscillator 204
- Phase Lock Oscillator 207
- CHAPTER 3 NDA-24296 208
- Page 182 208
- OFF OFF OFF Für Elise 214
- ON OFF OFF Maiden’s prayer 214
- Note OFF ON Buzzer 214
- Note ON OFF Chime 214
- PH-CK16-A 218
- CLK, FH, WFH 219
- ACT, ALM 219
- 1 2 3 4 221
- 1 2 221
- 1 2 3 4 5 6 7 8 221
- 1234567812345678 221
- Installation Cable 229
- • Cable Connection Diagram 230
- PCM Cable (2P) to other node 233
- (24AWG) 233
- FM1 is not used at this time 234
- Page 210 236
- 5. External Interface 243
- 6. Switch Setting Sheet 245
- PH-CK17-A 246
- SW0 (SW10) MEANINGS 272
- 1234 B.N.W 272
- Terminal 272
- Impedance 272
- EIA/TIA 464-A 272
- PA-16COTBE 276
- 114, b7 = I 298
- PA-CS08-B 301
- Attendant Interface 309
- 1 2 3 4 5 6 7 8 310
- 5. Switch Setting 311
- PA-8LCBR 321
- PA-16LCBE 329
- Short Distance 0 ~ 100 Ω OFF 333
- 0.35 0.35 335
- 0.35 0.7 335
- LAMP CONTROLLING 336
- SW1-5 SW1-6 336
- SWITCH SETTING FOR MW 336
- PA-16LCBJ-A 341
- PA-16LCBJ-B 351
- PA-16LCBW 360
- 12345678 363
- Slide switch 365
- (RVS) (OPEN) 365
- PA-16ELCJ 380
- 2 3 4 5 6 7 8 386
- PA-16ELCJ-B 387
- Fusion Call Control Handler 396
- SW11 D/I channel of T1 400
- SW12 D/I channel of T1 401
- SW13 D/I channel of T1 402
- SW14-2 SW14-3 SPEED 402
- are as follows 410
- 7. External Interface 412
- (b) LC Connector Leads 414
- 8. Connecting Route Diagram 415
- Earth Cable 416
- 3m (9.8 feet) 416
- Power Failure Transfer 418
- 4. Lamp Indication 420
- SEL SWITCH MEANINGS 427
- PA-8RSTK 435
- STANDARD 438
- PA-8RSTM 443
- PA-8RSTY 450
- SDH/SONET Digital Trunk 459
- Fiber optic cable 465
- SDT CABLEB <S> 465
- PIM3 is not actually mounted 466
- MUXxxx Connectors for SDT 470
- Cable Length 471
- PA-2CCHA 479
- LAMP NAME COLOR STATE 481
- 3 3 3 3 3 3 486
- Digital CCIS 487
- Analog CCIS (with MODEM) 488
- NDA-24296 CHAPTER 3 489
- Page 463 489
- Common Channel Handler 489
- PA-24CCTA 490
- SW12/58-7 SW12/58-8 MODE 497
- PA-2DCHA 505
- ISDN Terminal Line Circuit 516
- Mounting Condition 517
- PAD Value Selection 520
- PA-4ILCH 525
- Line Side 530
- TSW Side 530
- PA-8ILCE-A 535
- LAMP NAME COLOR DESCRIPTION 538
- • Point-to-Point 545
- • Point-to-Multipoint 545
- (PRERECORDED MESSAGE) 547
- 1234TIMER (MODE) 550
- Earphone Jack (3.6 ) 554
- Tape Recorder 554
- Page 529 555
- PA-4DATA 555
- Digital Announcement Trunk 555
- PA-4DATB 557
- LEFT RIGHT 562
- Page 539 565
- ON OFF OFF OFF 8µ 570
- ON ON OFF OFF 16µ 570
- ON ON ON OFF 32µ 570
- ON ON ON ON 64µ 570
- MISC Connector Accommodation 571
- PA-4AMPC 574
- SW03-1 SW03-2 578
- SW03-3 SW03-4 578
- SETTING OF GAIN OF BY AGC 578
- PA-8TLTR 580
- SW2-1: ON (0.5 dB) 585
- SW2-2: OFF ( 0 dB) 585
- SW2-3: OFF ( 0 dB) 585
- SW2-4: ON ( 4 dB) 585
- SW2-5: ON ( 8 dB) 585
- Values” shown for SW1 586
- OFF OFF OFF OFF 587
- ON OFF OFF OFF 587
- OFF OFF OFF OFF ON 588
- ON OFF OFF OFF ON 588
- • LD/DID 592
- • 2W E&M 592
- • 4W E&M 593
- • 2400 ODT CABLE 594
- • 2400 ODT CABLE-A 595
- PA-24PRTB-A 608
- SETTING OF EQUALIOZER 612
- SW2-1 SW2-2 SW2-3 DISTANCE 612
- SW4-4 SW4-5 D-channel Speed 613
- SW5-1 SW5-2 SW5-3 PAD Pattern 613
- SW5-6 SW5-7 DATA PAD CONTROL 613
- PA-24DTR (DTI) 618
- SW01/13B 622
- PA-24DTR (DLI) 631
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