Exfo FTB-635 Wideband Copper and DSL Test Module Instrukcja Użytkownika Strona 248
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Noise Tests
240 FTB-635
VF Noise Test
Summary
The VF noise tests provides you a quick and simple indication of level of
voice band noise on the circuit. In general values greater than 20 DBRNc
affect service and can be heard by the customer. Metallic faults and bad VF
Balance are the typical causes of VF Noise, although high external sources
or Power Influence can also cause too much noise on an otherwise good
pair.
Summary tab displays the pass/fail status of the tests executed. Refer
Copper Tests: Result Summary on page 291 for more information.
- User Guide 1
- Copyright Information 2
- Contents 3
- Copper and xDSL Tests v 5
- Certification Information 7
- 1 Introducing the FTB-635 9
- Wideband Copper and DSL 9
- Test Module 9
- Typical Applications 10
- Software Options 11
- IMPORTANT 12
- 2 Safety Information 13
- Electrical Safety Information 14
- Equipment Ratings 15
- 3 Getting Started 17
- Cable Connections 18
- 12 FTB-635 20
- Getting Started 21
- 14 FTB-635 22
- Copper and xDSL Tests 15 23
- Turn screws 23
- Back panel 23
- Copper and xDSL Tests 17 25
- 18 FTB-635 26
- Usual Tab Elements 27
- Graph Controls 28
- 4 Advanced WB Copper 29
- Application 29
- Status Bar 30
- Application buttons 32
- Exit Button 34
- Cable Book 36
- Load Cable 37
- Cable Details 38
- Copper and xDSL Tests 31 39
- Add Cable 40
- Copper and xDSL Tests 33 41
- Clone Cable 42
- Delete Cable 43
- Phone Book 44
- Load Group/Entry 45
- Phone Book Details 46
- Copper and xDSL Tests 39 47
- Add Group 48
- Clone Group 49
- Delete Group 50
- Load Phone Book 51
- Save Phone Book 52
- Copper and xDSL Tests 45 53
- 46 FTB-635 54
- Enter Number 55
- Recent Dialed Numbers 56
- Select from Phone Book 56
- Add to Phone Book 57
- Profile Details 60
- Copper and xDSL Tests 53 61
- 54 FTB-635 62
- Auto Test Profile Details 63
- 56 FTB-635 64
- Copper and xDSL Tests 57 65
- 58 FTB-635 66
- Isolation 66
- Station Ground 66
- TDR Test Profile Details 67
- Signal Test Profile Details 68
- Noise Test Profile Details 69
- Impulse Test Profile Details 70
- Copy from USB 71
- Copy to USB 71
- Delete Profile 72
- Application Settings 74
- Copper and xDSL Tests 67 75
- Standard 76
- Ω/km or Ω/mi) 77
- File Name 79
- 72 FTB-635 80
- Factory Default 81
- Save Test 82
- Copper and xDSL Tests 75 83
- Select Result File 85
- Select Report File 86
- Result File 87
- Reading the Result File 88
- Result Summary 90
- Copper and xDSL Tests 83 91
- Export Results 95
- 7 Pair Detective Test 97
- Setting Threshold Values 100
- Edit Messages 101
- Setting Cable Parameters 102
- Copper and xDSL Tests 95 103
- Multimeter 104
- Copper and xDSL Tests 97 105
- 98 FTB-635 106
- 8Auto Test 107
- Setting Test Volume 110
- Setting Test Parameters 111
- Summary 112
- User Auto Test 113
- User Auto Test Selection 114
- Copper and xDSL Tests 107 115
- Multimeter 1 116
- Multimeter 2 117
- 110 FTB-635 118
- Copper and xDSL Tests 111 119
- 9 FaultMapper Test 123
- Copper and xDSL Tests 119 127
- 120 FTB-635 128
- FaultMapper Test 129
- 10 Multimeter Tests 131
- Multimeter Main Page 132
- Voltage Test 133
- Continuous AC 135
- Continuous DC 137
- Multimeter Tests 141
- Current Test 142
- Copper and xDSL Tests 135 143
- Copper and xDSL Tests 137 145
- Copper and xDSL Tests 139 147
- Resistance Test 151
- Continuous 153
- Capacitance/Opens Test 158
- Copper and xDSL Tests 151 159
- Copper and xDSL Tests 153 161
- Resistive Balance Test 165
- 158 FTB-635 166
- 160 FTB-635 168
- Balance Test 169
- 164 FTB-635 172
- 166 FTB-635 174
- 168 FTB-635 176
- 11 Multimeter 2 Tests 177
- Isolation Test 178
- Copper and xDSL Tests 171 179
- Locator Tone Test 184
- 178 FTB-635 186
- Load Coils Test 187
- Copper and xDSL Tests 181 189
- Station Ground 190
- Copper and xDSL Tests 183 191
- Hookup Diagram 192
- 186 FTB-635 194
- 12 TDR Test 195
- Auto TDR 196
- Edit Parameters 197
- Select Cable 198
- Manual TDR 199
- Trace Setup 202
- Copper and xDSL Tests 195 203
- Save/Load Trace(s) 204
- Copper and xDSL Tests 197 205
- Trace Result File 206
- Xtalk TDR 207
- 202 FTB-635 210
- 13 RFL Test 211
- 204 FTB-635 212
- RFL-2-Wire 212
- Copper and xDSL Tests 205 213
- RFL-4-Wire 214
- Copper and xDSL Tests 207 215
- RFL-K-Test 217
- Copper and xDSL Tests 211 219
- Copper and xDSL Tests 213 221
- Supplemental 222
- 14 Signal Test 223
- WB Balance Test 224
- WB Balance 225
- Copper and xDSL Tests 219 227
- WB Attenuation Test 230
- Copper and xDSL Tests 223 231
- Copper and xDSL Tests 227 235
- TX/RX Tone Test 236
- Receive Tone 239
- 232 FTB-635 240
- 15 Noise Tests 243
- VF Noise Test 244
- Copper and xDSL Tests 237 245
- 240 FTB-635 248
- Power Influence Test 249
- 242 FTB-635 250
- Test Parameters 252
- WB PSD Noise Test 254
- Copper and xDSL Tests 247 255
- General Settings 257
- Enable Disturbers 258
- Enable Masks 259
- Copper and xDSL Tests 255 263
- Setting Spot Test Parameters 265
- Setting Spot Test Thresholds 266
- Spectrum 267
- Ωor 135 Ω 268
- Copper and xDSL Tests 261 269
- Noise Tests 270
- 16 Impulse Tests 271
- Impulse Tests 272
- To start/stop a test: 272
- VF Impulse Noise Test 273
- WB Impulse Noise Test 277
- 270 FTB-635 278
- WB Histogram 282
- Impulse Scope Test 283
- 278 FTB-635 286
- Graph Settings 288
- Copper and xDSL Tests 281 289
- Impulse Duration 290
- Disruption 292
- 17 Test Lead Compensation 297
- 290 FTB-635 298
- Copper and xDSL Tests 291 299
- 19 xDSL Application 301
- Main Window 302
- Title Bar 303
- Test Information and Control 303
- Main Menu 305
- Settings 307
- Identification 308
- File Autonaming 309
- Modem Settings 310
- Restore Factory Settings 311
- Help Button 312
- About Button 312
- Start/Stop Button 315
- Config/Profile 316
- Copper and xDSL Tests 309 317
- Test Configuration 318
- Copper and xDSL Tests 311 319
- WAN Setup 321
- Copper and xDSL Tests 315 323
- LAN Setup 324
- Thresholds 326
- 21 xDSL Test Results 327
- DSL Information 329
- Copper and xDSL Tests 323 331
- DSL Statistics 332
- Copper and xDSL Tests 325 333
- 326 FTB-635 334
- Band Information 335
- DSL Graphs 337
- Network Information 338
- Copper and xDSL Tests 331 339
- 22 xDSL Tests: Saving and 341
- Reading Results 341
- Read Result 342
- Copper and xDSL Tests 337 345
- 19 Maintenance 347
- Recalibrating the Unit 348
- Recycling and Disposal 349
- 20 Troubleshooting 351
- 298 FTB-635 352
- Solving Common Problems 352
- Select any of the user 352
- User the up/down 352
- Copper and xDSL Tests 299 353
- Transportation 354
- 21 Warranty 355
- Liability 356
- Service and Repairs 358
- Copper and xDSL Tests 305 359
- A Technical Specifications 361
- Technical Specifications 362
- Copper and xDSL Tests 359 367
- Copper and xDSL Tests 361 369
- 362 FTB-635 370
- ₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 371
- MARKING REQUIREMENTS 372
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