Exfo VDSL2 Instrukcja Użytkownika Strona 193
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IPTV Analysis
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set 185
Reading Results
DSL Parameters
The DSL Params tab allows you to view the pass/fail status of the
DownStream and UpStream parameters configured in the test setup.
The available test results are the
following:
³ SNR Margin is a value ranging
from 0 through 63.5 for the
minimum signal-to-noise ratio
margin.
³ Attenuation is a value ranging
from 0 through 63.5 for the
maximum attenuation.
³ Output Power is the current transmit power level that is a measure of
the absolute transmit power.
³ INP is the level of impulse noise protection.
³ Interl.Depth is interleave depth which defines the number of bits (or
bytes) in each block of data.
³ Interl.Delay is interleave delay which defines the mapping (relative
spacing) between subsequent input bytes at the interleave input and
their placement in the bit stream at the interleave output.
³ Trellis or Trellis Coded Modulation (TCM) is a type of convolutional
code which utilizes parity bits on each symbol within a continuous
data stream. When the line is connected, Trellis displays either ON or
OFF.
³ BITSwap specifies the status of the bit swapping mechanism - Active,
Not Active or Unknown - swapping bits from tone m to tone n to
prevent modem retraining.
- AXS-200/635 1
- Contents 3
- Certification Information 6
- DECLARATION OF CONFORMITY 7
- 1 Introducing the Copper 9
- VDSL2, ADSL2+, and IP 9
- Triple-Play Test Set 9
- Typical Applications 10
- Cable Connections 11
- LED Indicators 12
- Electrical Safety Information 12
- ADSL2+ Basic Principles 13
- IMPORTANT 15
- Qualification Tests 17
- POTS Dialer 18
- Regional Settings 20
- Cable Setup 22
- Standard 24
- Phone Book 25
- Reading Saved Results 30
- 3 Auto CQ/Video-DSL Rate 33
- Prediction 33
- Configuring CQ Auto Tests 34
- Test List 2 36
- Common Parameters 37
- VF Test Parameters 38
- WB Test Parameters 40
- Thresholds 1 42
- Thresholds 2 44
- DMM Results 46
- Isolation 46
- Load Coil 46
- VF Tests 47
- VF Impulse Noise 47
- Receive Tone 47
- WB Longitudinal Balance 48
- WB Impulse Noise 51
- 44 AXS-200/635 52
- Video-DSL Rate Prediction 53
- Configuration 54
- Impulse Noise Setup 57
- 50 AXS-200/635 58
- Viewing Results 59
- Video Rates 61
- DMM Tests 62
- WB PSD Noise 64
- WB Attenuation 65
- DSL Rate Tests 66
- 4 POTS Auto Test 71
- 64 AXS-200/635 72
- 5 DMM Tests 73
- 66 AXS-200/635 74
- Resistance 75
- 68 AXS-200/635 76
- Capacitance 78
- VF Noise 80
- In Service 82
- Water Detection Test 83
- Resistive Balance 84
- 6VF Tests 87
- Tracing Tone 90
- Impulse Noise 92
- Power Influence 94
- Load Coil Detection 95
- 7Fault Location Tests 97
- RFL Single Pair (2 wire) Test 100
- Connection Diagram 102
- Test Setup 103
- 96 AXS-200/635 104
- Loop Mapper Test 106
- Result Summary 107
- TDR Graph 107
- 100 AXS-200/635 108
- FDR Graph 109
- 8 Wideband Tests 111
- Receive Tone (RX) 112
- Send Tone (TX) 113
- PSD Noise 114
- Spectral Detective Test 118
- Spectral Detective 120
- Impulse Noise Test 121
- Impulse Noise Result 122
- Impulse Noise Histogram 123
- 116 AXS-200/635 124
- Attenuation Test 126
- Attenuation 127
- Longitudinal Balance 128
- Data Rate Prediction 130
- Signal-to-Noise Ratio 136
- Bits per Bin 137
- Ethernet Testing 139
- Read Saved Results 140
- Setup Profile 141
- Selected Profile 142
- 136 AXS-200/635 144
- Setup Line Connection 145
- 138 AXS-200/635 146
- WAN Access 147
- 140 AXS-200/635 148
- LAN Setup 152
- Thresholds 154
- Down Stream Channels 156
- Triple-Play Verification 157
- Configure Profile 158
- Configure DSL/IP Tests 159
- 152 AXS-200/635 160
- ATM LoopBack 161
- Ping Test 162
- TraceRoute 163
- HTTP Speed 164
- FTP Speed 165
- IPTV Analysis 166
- VoIP Analysis 168
- Data Analysis 169
- STB Support 170
- 12 Running CPE Tests 171
- Line Status 172
- DSL Parameters 174
- Statistics 175
- VDSL Bands 176
- WAN Status 178
- HPNA Info 184
- HPNA Statistics 185
- ATM Loopback Test 186
- Saving Results 187
- 13 IPTV Analysis 189
- LAN Status 198
- Network Activity 199
- Down Stream Rate 199
- ERR Indicator 200
- IGMP Monitor 201
- RTSP Info 202
- Detected Streams 204
- IP Arrival Jitter 205
- PCR Jitter 206
- Stream Parameters 207
- Stream Content 208
- 14 Data Analysis 213
- IP Packets 222
- Protocols 223
- Down Stream Rates 224
- Up Stream Rates 224
- 15 Running a VoIP Test 229
- Call History 237
- Packets Analysis 238
- Jitter Analysis 239
- 16 Maintenance 245
- Recycling and Disposal 246
- 17 Troubleshooting 247
- AXS-635-XX-XX-XX 248
- Transportation 249
- 18 Warranty 251
- Service and Repairs 253
- 246 AXS-200/635 254
- A Technical Specifications 255
- Technical Specifications 256
- 中国关于危害物质限制的规定 265
- MARKING REQUIREMENTS 266
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