Nortel-networks Circuit Card Manual do Utilizador Página 905
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Appendix A: LAPB Data Link Control protocol Page 905 of 906
Circuit Card Description and Installation
Description of procedure
The basic LAPB procedures must be implemented to satisfy the following:
• standard use of the poll/final bit (for more information, see
ISO-4375-1979-[E])
• exception condition reporting and recovery implemented in accordance
with BX.25 and ADCCP specifications
• link set-up and disconnect implemented according to BX.25
specifications
Table 281
Commands and responses
Command Response Option
I8
RR RR
RNR RNR
REJ REJ or FRMR 2
SABM UA
DISC DM
Legend:
I: Information
RR: Receive ready
RNR: Receive not ready
REJ: Reject
SABM: Set asynchronous balanced mode
DISC: Disconnect
RSET: Reset
FRMR: Frame reject
UA: Unnumbered acknowledge
DM: Disconnect mode
Option 2: Provides ability for more timely reporting of I frame sequence errors
Option 8: Limits the procedure to allow I frames to be commands only
- Circuit Card 1
- Revision history 3
- Page 6 of 906 Contents 6
- Contents Page 9 of 906 9
- Page 10 of 906 Contents 10
- NT8D09 Analog Message Waiting 11
- Page 12 of 906 Contents 12
- Contents Page 13 of 906 13
- Page 14 of 906 Contents 14
- NTCK16 Generic Central Office 15
- NTDK20 Small System 15
- QPC513 Enhanced Serial Data 16
- Contents Page 17 of 906 17
- Page 18 of 906 Contents 18
- LIst of procedures 19
- About this document 21
- Applicable systems 22
- Intended audience 23
- Conventions 24
- Related information 25
- Line cards 28
- Overview Page 29 of 906 29
- Overview Page 33 of 906 33
- Page 34 of 906 Overview 34
- Figure 2 34
- Overview Page 35 of 906 35
- Page 36 of 906 Overview 36
- Figure 3 36
- DS-30X loop data format 36
- Analog line interface units 37
- Page 38 of 906 Overview 38
- Figure 4 38
- Overview Page 39 of 906 39
- Digital line interface units 40
- Overview Page 41 of 906 41
- Figure 5 41
- Analog line call operation 42
- Overview Page 43 of 906 43
- Figure 6 43
- Page 44 of 906 Overview 44
- Figure 7 44
- Overview Page 45 of 906 45
- Digital line call operation 46
- Lineside T1 call operation 46
- Overview Page 47 of 906 47
- Figure 8 47
- 553-AAA1116 48
- Overview Page 49 of 906 49
- Page 50 of 906 Overview 50
- Overview Page 53 of 906 53
- Page 56 of 906 Overview 56
- Voice frequency audio level 57
- Off-premise line protection 57
- Line protectors 57
- Line protection grounding 58
- Trunk cards 59
- Page 62 of 906 Overview 62
- Figure 10 62
- 553-6156 64
- Overview Page 65 of 906 65
- Page 66 of 906 Overview 66
- Overview Page 67 of 906 67
- Figure 12 67
- Page 68 of 906 Overview 68
- Figure 13 68
- Trunk interface unit 69
- Page 70 of 906 Overview 70
- Figure 14 70
- Overview Page 71 of 906 71
- Overview Page 77 of 906 77
- Page 78 of 906 Overview 78
- Circuit card installation 79
- Table 12 81
- Component Large System 81
- Precautions 84
- Figure 15 85
- Static discharge points 85
- Installing a circuit card 86
- 553-5002 87
- Acceptance tests 89
- Conference cards 90
- Digitone receiver cards 92
- Multifrequency sender cards 94
- Network cards 95
- Tone and digit switch cards 97
- Option settings 101
- Circuit card grid 102
- 553-5491 103
- ONP CLS OPX CLS 104
- TIMP: 600 ohms 600 ohms 104
- BIMP: 600 ohms 3COM2 104
- Trunk interface switches 107
- General purpose switches 107
- Ring ground switches 109
- NT5D12AA DDP card 111
- 553-7308 112
- 1 2 3 4 113
- NT6D42 Ringing Generator DC 114
- NT6D68 Core module backplane 117
- NT8D14 Universal Trunk card 119
- Jumper block 120
- Jumper strap 120
- Jumper pin 120
- NT8D15 E&M Trunk card 124
- NT8D17 Conference/TDS card 125
- NT8D21 Ringing Generator AC 126
- NT8D22 System Monitor 127
- For future use 132
- Figure 20 135
- NT8D72 DIP switch settings 135
- QPC414 Network card 137
- QPC441 3-Port Extender cards 138
- QPC471 Clock Controller card 144
- QPC775 Clock Controller card 152
- NT1R20 Off-Premise Station 157
- Analog Line card 157
- Physical description 158
- 553-6190 159
- Functional description 160
- Card interfaces 161
- Card control functions 162
- Electrical specifications 165
- Analog line interface 166
- Power requirements 167
- Ringer limitations 167
- Operation 168
- Incoming calls 169
- Outgoing calls 170
- Connector pin assignments 172
- 553-AAA1117 173
- Jumper strap settings 174
- Application 175
- 553-6191 176
- 553-AAA1118 178
- Other applications 179
- Transmission considerations 179
- NT4N39AA CP Pentium IV Card 183
- COM1 and COM2 ports 187
- USB port 189
- Front panel LED indicators 190
- Post 80 Debug LEDs (Optional) 191
- NT5D11 and NT5D14 Lineside T1 193
- Interface cards 193
- 553-6478 195
- 553-6476 198
- T1 interface circuit 200
- Signaling and control 200
- Environmental specifications 204
- Dip switch settings 205
- Figure 31 206
- Installation 210
- Cabling the lineside T1 card 213
- Figure 32 214
- I/O cable 217
- Figure 33 221
- 553-6481 221
- Terminal configuration 222
- Software configuration 222
- Description 225
- Login and password 227
- Basic commands 228
- Set Clearing 231
- Configuring parameters 232
- Alarm operation and reporting 236
- 553-AAA1120 243
- 553-AAA1121 243
- Applications 244
- Figure 37 245
- Figure 38 246
- Figure 39 247
- NT5D33 and NT5D34 Lineside E1 249
- Card connections 251
- Faceplate 251
- Figure 40 252
- NT5D33AB LEI card – faceplate 252
- Figure 41 253
- NT5D34AB LEI card – faceplate 253
- Figure 42 256
- LEI card – block diagram 256
- Overview 257
- E1 interface circuit 258
- ELEI additional functionality 260
- E1 Coding 265
- Figure 44 266
- Cabling the LEI card 274
- Software Configuration 281
- Login and Password 286
- Figure 46 287
- HELP (H, ?) screen 287
- Figure 49 296
- Figure 50 297
- Set Mode (S M): Table screen 297
- Table 99 on page 270 298
- Figure 52 301
- Figure 53 303
- Display Alarm (D A) screen 303
- Figure 54 304
- Display Status (D S) screen 304
- Figure 55 305
- Figure 56 306
- Display History (D H) screen 306
- Test 1: Local Loopback Test 307
- (1,2,3 or S to cancel): 307
- 553-1160 308
- 553-1161 309
- 553-1162 309
- Figure 63 311
- Figure 64 312
- Contents 313
- Introduction 313
- Configuration 318
- NT5D97 faceplate 321
- Figure 65 322
- Port definitions 326
- Cable requirements 328
- 553-7385 330
- NT8D7217 (A0617192) 331
- NTCK78AA (A0618294) 332
- NTCK79AA (A0618296) 333
- 553-7388 334
- 2.8, 4, 7 or 14 ft 335
- 553-7387 336
- Cable diagrams 337
- LED's 338
- Figure 75 342
- Dip switches for NT5D97AA/AB 342
- NT5D97AA/AB 345
- NT5D97AD DIP switch settings 347
- Figure 76 348
- Trunk 0 switches 349
- Trunk 1 switches for NT5D97AD 350
- NT5D97AD 351
- MSDL external card 352
- Architecture 353
- Reference 354
- Secondary 354
- Automatic clock recovery 355
- Automatic clock switching 356
- Clock configurations 356
- Figure 79 360
- Clock Controller – Option 2 360
- Figure 80 361
- Clock Controller – Option 3 361
- Figure 81 362
- Clock Controller – Option 4 362
- Configuring the NT5D97 365
- Testability and diagnostics 366
- NT5K21 XMFC/MFE card 369
- Signaling levels 370
- Forward and backward signals 370
- MFE signaling 372
- Sender and receiver mode 373
- Physical specifications 376
- NT6D70 SILC Line card 379
- Micro Controller Unit (MCU) 381
- IPE interface logic 382
- S/T interface logic 382
- NT6D71 UILC Line card 385
- U interface logic 387
- NT6D80 MSDL card 389
- Figure 82 391
- MSDL component layout 391
- 553-5431 391
- Figure 83 393
- MSDL block diagram 393
- Micro Processing Unit (MPU) 394
- Serial interface 394
- MSDL operations 395
- Figure 84 396
- MSDL functional block diagram 396
- 553-5433 396
- Engineering guidelines 397
- Card mix 398
- Address decoding 398
- Port specifications 398
- Implementation guidelines 402
- Figure 85 406
- MSDL switch setting example 406
- Installing the MSDL card 407
- Figure 86 409
- MSDL cabling 409
- 553-5845 409
- Cable installation 410
- I/O panel connections 411
- MSDL planning form 412
- Maintenance 413
- 553-5435 414
- DIS MSDL x to disable 415
- Maintaining the MSDL 416
- System controlled maintenance 416
- Replacing MSDL cards 421
- Symptoms and actions 422
- System disabled actions 423
- NT7D16 Data Access card 427
- Features 428
- Controls and indicators 429
- Dialing operations 430
- Figure 88 431
- Call Set-up abort 432
- Make Port Busy on loss of DTR 432
- Inactivity timeout 433
- Wire test mode 433
- Operating modes 435
- Figure 89 442
- DAC to modem connectivity 442
- Figure 90 445
- 553-AAA1126 445
- Figure 91 450
- DAC to Gateway connectivity 450
- Figure 92 451
- 553-AAA1127 451
- Figure 93 454
- DAC to Host connectivity 454
- Figure 94 458
- DAC to Terminal connectivity 458
- Mode selection baud rates 460
- Keyboard dialing 472
- Initiating conditions 473
- Call abort 474
- Autobaud 474
- Auto parity 475
- Dialing operation 475
- Primary commands 476
- Answer feature 480
- Ring Again 481
- Not in service 484
- No response from the system 484
- Hayes dialing 485
- Input requirements 486
- Result codes and messages 487
- Baud rate detection 488
- Parity detection 488
- S registers 490
- Reset Hayes parameters 493
- Outbound calls 495
- Inbound calls 495
- Off Line mode 496
- Specifications 497
- System parameters 498
- Operating parameters 498
- System database requirements 500
- Figure 95 501
- Figure 96 502
- Power supply 504
- Environmental 505
- Reliability 505
- Cabinet system 505
- Large System 506
- System compatibility 506
- Port configuration 507
- Figure 97 508
- Figure 98 510
- Cabling to the data equipment 510
- Figure 99 511
- RJ-11 or RJ-45 jacks 511
- Figure 100 512
- Patch panel layout 512
- 553-5022 513
- DAC administration (LD 11) 517
- (<CR>) 518
- Upgrading systems 522
- 553-AAA113 523
- 553-6160 529
- Card lock latch 529
- Figure 105 531
- NTDK16 Digital Line card 532
- Digital line interfaces 532
- Figure 106 533
- NTDK16 DLC 533
- 553-6161 542
- NT8D03 Analog Line card 545
- Line card 547
- 553-6165 550
- 553-6168 552
- Line interface units 553
- 553-AAA1131 560
- 553-6166 563
- Figure 113 569
- Note 1: 574
- Note 2: 574
- Note 3: 574
- Figure 116 575
- Administration program LD 14 576
- Figure 118 577
- Ground start operation 578
- CO / FX / WATS (far) end 579
- Figure 120 580
- Figure 122 583
- Direct inward dial operation 584
- CO (far) end 585
- Figure 124 586
- Figure 125 587
- RemarksSignal/direction 588
- 553-AAA1140 588
- Figure 127 590
- 553-AAA1142 591
- Figure 129 592
- Figure 131 595
- Figure 132 596
- Figure 134 599
- Figure 135 600
- Figure 136 601
- Figure 137 602
- Figure 138 604
- RTYP = MLSS 606
- Release control 611
- PAD switching 611
- Service change entries 619
- Figure 141 625
- Figure 142 630
- Figure 143 632
- Trunk circuit features 634
- Figure 144 635
- E&M Type I signaling 635
- Figure 145 636
- E&M Type II signaling 636
- Figure 146 637
- 4-wire DX signaling 637
- Figure 147 638
- Paging trunk operation 638
- Signaling interface 640
- Figure 148 642
- 553-6263 643
- Outgoing calls from near end 643
- Incoming calls to near end 643
- Note: 644
- 553-AAA1153 647
- 553-AAA1155 657
- Figure 154 659
- 553-6200 659
- Software service entries 661
- Figure 155 663
- Pad orientation 663
- Figure 156 666
- Paddle Board 667
- Figure 157 669
- NT8D41AA SDI paddle board 669
- Option switch settings 673
- DTE/DCE/Fiber mode 674
- Figure 159 676
- 553-5988 676
- Software service changes 677
- Equipment identification 679
- 553-8009 683
- System considerations 684
- Address 688
- (Part 2 of 2) 688
- NTAG26 XMFR card 695
- XMFR receiver specifications 697
- NTAK02 SDI/DCH card 701
- DCH function in the U.K 702
- Connecting to the ports 704
- NTAK09 1.5 Mb DTI/PRI card 709
- NTAK20 power on self-test 712
- NTAK93 self-test 713
- DTI/PRI local self-test 713
- Digital pad 716
- D-channel interface 717
- DS-1 Carrier interface 717
- Clock controller interface 719
- Clock rate converter 719
- NTAK10 2.0 Mb DTI card 721
- Carrier interface 728
- Switch settings 733
- Clocking modes 737
- Digital to analog converter 741
- CPU-MUX bus interface 742
- Signal conditioning 742
- Sanity timer 742
- Microprocessor 742
- External timing interface 743
- NTAK79 2.0 Mb PRI card 745
- NTAK79 switches 748
- 553-7869.EPS 749
- Switch 1 749
- Switch 3 749
- Switch 4Switch 2 749
- PAD SET 0 PAD SET 1 753
- PAD Offset PA D 753
- Carrier grounding 755
- CEPT transceiver 756
- Slip control 756
- D-channel support interface 756
- Card-LAN interface 758
- NTAK93 D-channel Handler 763
- Interface daughterboard 763
- D-Port — SDTI/PRI interface 767
- NTBK22 MISP card 769
- CPU to MISP bus interface 771
- MISP network bus interface 771
- Power consumption 771
- NTBK50 2.0 Mb PRI card 773
- 553-CSE7872 775
- Handler daughterboard 785
- Download operation 789
- Card reset 790
- Background audit 790
- Figure 167 798
- Figure 168 799
- Figure 169 800
- Route Data Block 801
- Trunk Data Block 802
- Prompt Response Description 806
- Busy tone detect 808
- Loss switching 808
- Trunk to Trunk connection 810
- Call disconnect 810
- Controller card 811
- Figure 170 813
- NTTK25 daughterboard 814
- 100BaseT IP daughterboards 815
- PC card interface 818
- Security device 819
- SDI ports 820
- Conferencing 820
- * Not supported 822
- Media Gateway 1000 823
- Figure 175 824
- MG 1000S Expansion slots 824
- NTRB21 DTI/PRI/DCH TMDI card 825
- Figure 176 827
- Figure 177 829
- NTRB21 TMDI card faceplate 829
- Software description 831
- Hardware description 831
- NTVQ01xx Media Card 839
- Figure 179 840
- Hardware architecture 841
- NTVQ01AA 842
- 553-MIRAN0001 842
- Survivability 843
- NTVQ55AA ITG Pentium card 845
- 553-CSE9150 847
- Backplane interfaces 848
- Assembly description 849
- Interface card 851
- Figure 182 853
- CPC513 ESDI card front panel 853
- Synchronous communication 855
- Clock timing option 856
- Test and maintenance features 856
- Connection characteristics 857
- Figure 184 858
- Configuring the ESDI card 862
- DTE/DCE mode jumper settings 863
- Figure 185 864
- 553-5983 864
- Figure 187 871
- QPC841 QSDI card front panel 871
- Figure 188 873
- Configuring the QSDI card 876
- Baud rate switch settings 878
- Figure 189 880
- Figure 190 883
- QPC841 QSDI card cabling 883
- The TDS/DTR card 885
- Tones and cadences 887
- Frame structure 902
- Commands and responses 904
- Description of procedure 905
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