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Chapter 10 Measure Mode – Spectrum Tab

Downstream Spectrum

DSAM Help User Guide Rev. 001 253

frequency spans. The Downstream Spectrum measurement mode

allows for a very comprehensive troubleshooting utility that reveals

ingress spikes on the forward path as brief as 1 ms.

Running a

Downstream

Spectrum

To run a downstream spectrum

1 Press Measure.

2 Press the Spectrum softkey.

3 Using the arrow keys, select Downstream Spectrum.

4 Press ENTER.

5 Press the Settings softkey.

6 Using the arrow keys, select Center Frequency.

Figure 229 Spectrum – Downstream Spectrum

Figure 230 Spectrum – Downstream Spectrum

21128026 R001 DSAM Help User Guide.book Page 253 Thursday, February 5, 2009 2:02 PM

Default Chapter7
- Table of Contents7
Table 1 Technical Assistance Centers36
Purpose and Scope36
Assumptions36
Related Information36
Technical Assistance36
Table 2 Typographical Conventions38
Table 3 Keyboard and Menu Conventions38
Conventions38
Table 4 Symbol Conventions39
Table 5 Safety Definitions39
Chapter 1 DSAM Product Family Series Overview41
- DSAM Product Family Series Overview42
- Figure 1 DSAM Product Family Series Field Meter Front Panel Layout42
- Meter Information43
About DSAM Product Family Series42
Figure 2 Meter Info43
Table 6 Obtaining DSAM Information43
Figure 3 DSAM Mode Keys44
Table 7 Shift Key Shortcuts44
Mode Keys44
- Figure 4 Shift Key - Softkey Options45
- Softkey Shortcuts with Function Keys45
Shift Keys44
Table 8 Function Shift Key Shortcuts46
Additional Functions46
Chapter 2 DSAM Navigation47
- DSAM Navigation48
The Keypad48
- Softkeys48
- Exit Key48
- Enter Key48
- Arrow Keys48
- Mode Keys48
- Alphanumeric Keypad48
- Shift Key48
- Power Key49
The User Interface49
- Figure 5 Example: User Interface49
- AC Power50
- Active Channel Plan Name50
- Icons50
Accessing Help50
- Introduction50
- Accessing Help from a Mode Menu51
- Accessing Help from a Submode51
Figure 7 Help Menu for Autotest52
Figure 8 Help Main Menu52
Chapter 3 Battery Installation53
Installing and Maintaining the EZ Charge Battery54
- Installing the Battery54
- Removing the Battery54
- Connecting the Power Components55
  - High Capacity Battery to External Power Connection55
- Figure 9 DSAM Product Family Series Field Meter (Rear View)55
- Figure 10 High Capacity External Power Components56
- Connecting the RF Cable57
Installing and Maintaining the Standard Capacity Battery57
- Installing the Battery57
- Removing the Battery57
- Connecting the Power Components (Standard Capacity Battery)57
Figure 11 Standard Capacity External Power Components58
Making Additional Connections59
Chapter 4 Powering the DSAM61
- Table 10 Battery Charge and Operation Values62
- Understanding the Standard Capacity Battery Led's63
Powering the Meter62
- Charging the Battery62
- Choosing a Power Option62
- Understanding the High Capacity Battery Led's64
Table 12 High Capacity Charge LED Indications65
Chapter 5 Configuring the Meter67
Overview68
- Figure 13 Configure - General Tab: Contrast Adjustment69
- Figure 14 Configure - Adjust Contrast70
- Sound70
  - Configuring Sounds70
- Figure 15 Configure - General Tab: Sounds71
- Figure 16 Configure - Adjust Sounds71
- Battery Conservation72
- About Me74
- Configuring "About Me74
- Diagnostic90
  - Testing the Keypad90
Configure - General Tab68
- Contrast68
  - Configuring Screen Contrast69
Figure 42 Configure - Bind Results93
Figure 43 TPP - DSAM Remote Access93
Figure 44 TPP - JDSU Remote DSAM94
Figure 45 TPP - JDSU Remote DSAM94
Figure 46 Configure - Measure Tab: Sweep Settings95
Configure - Measure Tab95
- Sweep Settings95
- Figure 48 Configure - Measure Tab: Limit Sets98
- Limit Sets98
  - Configuring Limit Sets98
- Table 22 Limit Set Parameters99
- DOCSIS Throughput101
  - Configuring DOCSIS Throughput101
Configure - Channel Plan Tab117
- Overview117
- Figure 68 Configure - Downstream Plans118
- Figure 67 Configure - Channel Plan Tab: Downstream Plans118
- Editing a Channel Plan119
- Table 34 DOCSIS Channel Parameters123
- Configuring Channels for Miniscan124
Configure - Access Tab136
- Location Settings Parameters136
- PC Connection136
- Figure 91 Configure - PC Connection137
- Figure 90 Configure - Access Tab: PC Connection137
- Table 36 PC Connection Parameters138
- WFA Browser Settings138
  - Configuring WFA Browser Settings138
- Figure 93 Configure - Browser Settings139
- Figure 92 Configure - Access Tab: WFA Browser Settings139
- Table 37 WFA Browser Settings Parameters140
- Access Mode141
Chapter 6 Access Mode141
Overview142
- Figure 94 Access - Files Tab: Work Folders142
- Creating a Folder143
  - Figure 96 Access - Open a File143
  - Purging Synchronized Folders144
- Deleting a Folder144
Access - Files Tab142
- Work Folders142
  - Opening a File in Folder142
Access - Browser Tab148
- Overview148
- Figure 103 Access - WFA Browser150
- Graphical Pointer150
- Softkeys150
Figure 106 Access - Browser Tab: WFA Browser154
Chapter 7 Autotest Mode155
Autotest Overview156
- Combo Test156
- Video Channels156
- Home Certification156
- Proof of Performance156
- Cable Modem156
Autotests Tab156
- Figure 109 Autotest - Configure Autotest157
- Running a Combo Test157
- Figure 110 Autotest - Autotest in Progress159
- Understanding Combo Test Results160
- Viewing Combo Test Results160
- Figure 115 Autotest - Video Autotest163
- Figure 116 Autotest - Autotest in Progress164
- Table 41 Home Certification Test Results165
- Understanding Video Channels Results165
- Home Certification Test166
- Figure 134 Autotest - Video Autotest Results181
- Figure 133 Autotest - Proof of Performance181
- Understanding Proof of Performance Results181
- Cable Modem Test182
  - Running a Cable Modem Test182
Figure 137 Autotest - Video Autotest Results185
Figure 138 Autotest - Cable Modem Test: DOCSIS Channel Status187
Chapter 8 Measure Mode – Basic Tab189
Measure Mode - Basic Tab189
Basic Measurement Modes190
- Level190
- Miniscan190
- Full Scan190
- Tilt190
- Constellation190
- Fdr190
- Return QAM Generator190
- QAM Ingress190
- Hum190
- Dqi191
- Return Loopback191
Level191
- Frequency Tuning191
- Channel Tuning192
- Figure 142 Measure Mode - Level193
- Running a Level Measurement193
- Understanding Level Results194
Miniscan198
- Running a Miniscan198
- Channel Status Area200
- Choosing Miniscan Channels200
Full Scan201
- Running a Full Scan201
- Figure 149 Measure Mode - Full Scan Graph202
- Figure 148 Measure Mode - Basic Tab202
- Understanding Full Scan Results (Graph)202
- Channel Status Area203
- Graph203
- Graph Information Bar203
- Measurement Information Area203
- Understanding Full Scan Results (Table)204
- Setting the Full Scan Speed205
- Enabling Channels for Full Scan206
Figure 152 Measure Mode - Enable/Disable Channels207
Tilt208
- Measuring Tilt208
- Understanding Tilt Results210
- Figure 155 Measure Mode - Downstream Plans211
- Figure 156 Measure Mode - Select Tilt Channels212
- Setting High and Low Pilot Channels212
- Viewing Tilt Results213
Constellation214
- Running a Constellation Test214
- Figure 158 Measure Mode - Constellation215
- Figure 157 Measurement Mode - Basic Tab: Constellation215
- Understanding Constellation Results215
  - Measurement Information Area215
- Digital Performance216
- Impairments216
- Figure 160 Constellation - Phase Noise217
- Editing the Channel Plan218
- Gain Compression218
- I/Q Imbalance218
- Setting the Sample Refresh Rate218
Fdr220
- Running an FDR Scan220
- Understanding FDR Results221
- Measurement Information Area222
- Resolution of Measurement222
Return QAM Generator224
- Figure 168 Measure Mode - Basic Tab: Return QAM Generator225
- Changing the Msym/S226
- Understanding Return QAM Generator Results226
  - Measurement Information Area226
- Accessing Other Modes from Return QAM Generator227
- Graph227
Figure 169 Measure Mode - Return QAM Generator226
QAM Ingress227
- Symbol Rate227
- Transmit Status227
- Figure 170 Measure Mode - Basic Tab: QAM Ingress228
- Figure 171 Measure Mode - QAM Ingress228
- Understanding QAM Ingress Results228
- Using QAM Ingress228
- Graph229
- Graph Information Bar229
- Marker Status Area229
- Measurement Information Area229
- Viewing QAM Ingress Results229
Hum Analysis230
- Performing Hum Analysis230
- Figure 173 Measure Mode - Hum Analysis231
- Understanding Hum Analysis Results231
- Editing the Channel Plan232
- Frequency and Hum232
- Measurement Information Area232
- Total Hum232
Figure 172 Measure Mode - Basic Tab: Hum231
Dqi232
- Performing DQI Analysis232
- Figure 174 Measure Mode - Basic Tab: DQI233
- Figure 175 Measure Mode - DQI233
- Understanding DQI Results233
  - Measurement Information Area233
- Changing/Editing the Channel Plan234
- Dqi234
- Graph234
- Graph Information Bar234
- Min234
Return Loopback234
- Viewing DQI Results234
- Figure 176 Measure - Return Loopback235
- Figure 177 Measure Mode - Loopback235
- Performing Return Loopback235
- Enabling/Disabling Transmit236
- Performing a Transmit Reference236
- Setting the Transmit Level236
Reading Measurement Graphs236
- Reading Bar Graphs236
- Reading Line Graphs237
  - White237
Figure 178 Measure Mode - Level Channel237
Saving Results238
- Figure 179 Measure - DQI Results238
- Changing the Default Folder240
- Creating a New Folder240
Chapter 9 Measure Mode – Service Tab243
Measure Mode - Service Tab243
- Figure 183 Measure Mode - Service Tab244
- Configuring DSAM for DOCSIS Tests245
Service Measurement Modes244
Docsis244
- CM Diagnostics Page244
- Ethernet244
- Introduction244
- Voip244
- Figure 184 Configure Mode - Other Settings245
- Running a DOCSIS Test246
- Figure 186 Measure Mode - Cable Modem MAC Address247
- DOCSIS Test Steps249
Ethernet265
- Configuring DSAM for Ethernet Tests265
- Packet Loss Test265
- Ping Test265
- Throughput Test265
- Displaying IP Information266
- Displaying Throughput Results267
- Figure 202 Measure - Bind Results267
- Meter Information267
- Network Assignments267
- Restoring Ping Test Defaults270
Figure 206 Measure Mode - Ethernet Ping Test270
CM Diagnostics Page272
- Testing CM Diagnostics272
  - Navigating the Cable Modem Information System Screen273
Figure 207 Measure Mode - Service Tab: CM Diagnostics273
Figure 208 Measure Mode - Cable Modem Information System273
Voip274
- Configuring DSAM for Voip Tests275
- Figure 209 Measure Mode - Service Tab: Voip275
- Running a Voip Test275
- Accepting a Call280
Figure 224 Measure Mode - Voip Ongoing Call285
Chapter 10 Measure Mode – Spectrum Tab287
Measure Mode - Spectrum Tab287
Spectrum Measurement Modes288
- Downstream Spectrum288
- Field View288
- Ingress Resistance288
- Upstream Spectrum288
- Running an Upstream Spectrum289
- Understanding Upstream Spectrum Results290
Figure 228 Measure - Upstream Spectrum291
Downstream Spectrum292
- Figure 229 Spectrum - Downstream Spectrum293
- Figure 230 Spectrum - Downstream Spectrum293
- Running a Downstream Spectrum293
- Figure 232 Spectrum - Downstream Spectrum294
- Understanding Downstream Spectrum Results295
Field View298
- Figure 236 Measure Mode - Field View299
- Running a Field View299
- Figure 240 Measure Mode - Node Info302
- Understanding Field View Results304
Ingress Resistance306
- Measuring Ingress Resistance306
- Figure 244 Spectrum - Ingress Resistance307
- Understanding Ingress Resistance Results308
Chapter 11 Measure Mode – Sweep Tab311
Measure Mode - Sweep Tab311
Sweep Measurement Modes312
- Forward Sweep312
- Reverse Sweep312
- Sweepless Sweep313
- Reverse Alignment313
Forward Sweep313
- Figure 247 Measure Mode - Sweep Tab313
  - Figure 248 Measure Mode - Sweep Tab314
  - Understanding Forward Sweep Results315
- Running a Forward Sweep314
Reverse Sweep319
- Figure 251 Measure Mode - Sweep Tab320
- Running a Reverse Sweep320
- Understanding Reverse Sweep Results321
Figure 254 Measure Mode - Sweepless Sweep325
Sweepless Sweep325
- Running a Sweepless Sweep325
- Figure 255 Measure Mode - Sweep Tab326
- Understanding Sweepless Sweep Results327
Reverse Alignment330
- Running a Reverse Alignment330
- Graph332
- Graph Information Bar332
- Marker Status Area332
- Measurement Information Area332
- Viewing Reverse Alignment Results332
Appendix A Specifications335
Table 47 Product Specifications336
DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications336
Table 48 Power Component Specifications342
Power Component Specifications342
Appendix B Safety Instructions343
Important Safety Instructions344
- Meter Safety344
- Battery Safety345
- Battery Power Supply Module Safety346
Appendix C Customer Services347
About Our Services348
Customer Care348
- Technical Assistance (Business Hour)348
- Instrument Repair349
- Equipment Return Instructions349
- Warranty Information350
Global Services and Solutions352
- System Deployment and Field Engineering353
- Training353
  - Instructor-Led Training353
    - On-Site Training (Customer Site)353
    - Public Courses (JDS Uniphase Corporation Sites)353
  - Alternative Learning354
    - Computer-Based Training (CBT)354
    - Courseware Licensing Program and Train-The-Trainer354
- Product Support355
- Consulting Services355
Glossary357

Brand	JDS Uniphase
Model	DSAM-3500
Category	Measuring Instruments
Language	English

JDS Uniphase DSAM-3500 User Manual

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