Exfo CableSHARK P3 VF/DSL Cable Qualifier Manual de usuario Pagina 24
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Valorado. / 5. Basado en revisión del cliente
VF / DSL Cable Qualifier
12
0.0 1250.0 2500.0 5000.03750.0
ZOOM IN
VERT
MAIN
MENU
EF
CHG
-1.000
-0.750
-0.500
-0.250
0.000
0.250
0.500
0.750
1.000
ZOOM IN
HORIZ
SELECT
MARKER
MORE
Reflections at ft(dBRL): 2195.3 (24.2-), 2500.0 (32.1+)
A
UTO
REPEAT
Cursor position =
Marker position =
Cursor / Marker Delta =
2500.0
2195.3
304.7
Pulse Width:ft
ft
300 ns
Cursor position =
Press or to move cursor
The above figure depicts a bridge tap. The bridge
tap is composed of a negative pulse (start of the
bridged tap) and a positive pulse (end of the
bridged tap).
0.0 1250.0 2500.0 5000.03750.0
ZOOM IN
VERT
MAIN
MENU
EF
CHG
-1.000
-0.750
-0.500
-0.250
0.000
0.250
0.500
0.750
1.000
ZOOM IN
HORIZ
SELECT
MARKER
MORE
Reflections at ft(dBRL): 2719.1 (32.1+)
A
UTO
REPEAT
Cursor position =
Marker position =
Cursor / Marker Delta =
2719.1
2195.3
523.8
Pulse Width:ft
ft
300 ns
Cursor position =
Press or to move cursor
The above figure depicts a water soaked cable
with a OPEN circuit. The water section could
have appear anywhere along the cable.
Generally, a ‘noisy’ reflection could mean water.
0.0 1250.0 2500.0 5000.03750.0
ZOOM IN
VERT
MAIN
MENU
EF
CHG
-1.000
-0.750
-0.500
-0.250
0.000
0.250
0.500
0.750
1.000
ZOOM IN
HORIZ
SELECT
MARKER
MORE
Reflections at ft(dBRL): 2195.3 (24.2+)
A
UTO
REPEAT
Cursor position =
Marker position =
Cursor / Marker Delta =
2195.3
0
2195.3
Pulse Width:ft
ft
300 ns
Cursor position =
Press or to move cursor
This figure shows a HIGH RESISTANCE JOINT
or SPLICE. This is composed of a high
impedance reflection followed by a low
impedance reflection. Generally, the better the
splice, the smaller the reflection. A large
reflection, as denoted above, would signify a poor
splice.
0.0 1250.0 2500.0 5000.03750.0
ZOOM IN
VERT
MAIN
MENU
EF
CHG
-1.000
-0.750
-0.500
-0.250
0.000
0.250
0.500
0.750
1.000
ZOOM IN
HORIZ
SELECT
MARKER
MORE
Reflections at ft(dBRL): 1998.7 (33.8+)
A
UTO
REPEAT
Cursor position =
Marker position =
Cursor / Marker Delta =
1998.7
0
1998.7
Pulse Width:ft
ft
300 ns
Cursor position =
Press or to move cursor
This figure depicts a terminated cable. The
terminated cable absorbs the send pulse and
causes no reflection. For the purposes of TDR
testing, it is best to use an un-terminated cable to
ensure a reflection is send to the CableSHARK.
- CableSHARK P3 3
- VF / DSL Cable Qualifier 10
- Patent Information 11
- 1.2 Unpacking the CableSHARK 13
- 1000 ft (300 m) 22
- 4.1.1 The Front Panel 27
- 4.1.2 The Rear Panel 29
- 4.2 Powering the CableSHARK 33
- 5.1.1 Self Tests 37
- 5.2.2 Single-Ended Testing 39
- 5.2.3 End-to-End Testing 40
- 5.3.1 Saving Results 41
- 5.3.2 Recalling Results 43
- 5.4 Reference Masks 45
- 5.6 Bandwidth Requirements 50
- Section 6 Main Menu 51
- 6.2 Responder Mode 58
- 6.3 Recall Results 59
- 6.4 The System Setup Menu 59
- 7.2.1 Automatic TDR Test 65
- 7.2.2 Manual TDR Test 66
- 7.3 Frequency Response Tests 67
- 7.4.2 End-to-End DMT Test 69
- 7.5 Noise Tests 70
- 7.7 Load Coil Detection Test 71
- 7.8 Spectral Detective 72
- 7.10 Return Loss 73
- 7.12 4 Wire Xtalk 73
- 7.14 ADSL Auto Test 74
- 7.15 SHDSL Auto Test 75
- 7.16 VF Auto Test 76
- 7.17 Ground Resistance Test 77
- 7.19 K-Test 78
- 7.20 Ringer Detection 79
- 7.21 VF Tests 79
- 7.22 LoopMapper™ Tests 79
- CableSHARK 81
- FREQUENCY RESPONSE TEST SETUP 84
- 8.2.1 Setting up a TDR Test 89
- 8.2.2 Manual TDR Testing 95
- 8.2.3 Auto TDR Testing 101
- 8.2.4 TDR Application Hints 102
- CableSHARK P3 User Guide 103
- 8.3.1 Setting up a DMT Test 105
- DMT BITS PER 107
- (m/μS): 108
- 8.3.2 Running an ADSL Test 110
- DMT TEST RESULT 114
- 8.4..Noise Measurements 118
- 8.4.2 Running a Noise Test 124
- 00:00:00 125
- TO MEM 130
- TO USB 135
- 8.7.1 Setting up a DMM Test 142
- 8.7.2 Running a DMM Test 148
- 8.8.. 4-Wire Crosstalk Test 151
- 17.3 kHz to 2.208 MHz) 155
- > 100 M 157
- 8.10 LoopMapper™ 159
- 8.10.2 LoopMapper Testing 161
- 8.11.1 Auto Test Setup 168
- IGURE 8.11.1.3C – PHONE BOOK 174
- Central Office 185
- Customer 185
- IGURE 9.2D – ADSL AT CO SIDE 191
- 11.1..Running a SHDSL Test 199
- IGURE 12.1C – BATTERY CROSS 201
- IGURE 12.1.1.3A – RFL CABLE 203
- Black Red Green 204
- Yel low Blue Green 204
- Black Red Gnd 208
- 12.2 Running a RFL Test 210
- 12.3 RFL Hints 212
- + [ 0.0022 * ( T 213
- - 68°F ) * R 213
- - 20°C ) * 0.00393 * R 214
- Line card = not detected 222
- 15.1.3 Sending 3 Tone Slope 233
- 15.2.3 RX 3 Tone Slope 240
- 15.3 Noise Test 243
- 15.4 Impulse Noise Test 245
- 00:09:12 246
- 15.5 Power Influence 247
- SAVE/UPLOAD button 248
- 16.2 Setting up a K-test 249
- 16.3 Running the K-test 250
- 16.3.3 Running a Test 256
- A.1 Loop Topologies 259
- A.2 Attenuation Responses 261
- Transmitter Characteristics 272
- Transmitter Functions 272
- ± 50 ppm 275
- ± 1.0 dB typical 275
- ± 0.5 dB 277
- SHDSL Data Rate Test 278
- PSD Noise Measurement 278
- Longitudinal Balance Test 279
- DMM (Digital Multimeter) 279
- Isolation resistance 280
- Spectral Detective 280
- 4-Wire Crosstalk 280
- Visi-SHARK 282
- Appendix D Safety 283
- Appendix E Warranty 287
- Certification 288
- F.1 Software Policy 289
- F.2 Upgrading Software 289
- J.1 Installing the Software 295
- J.3.1 Running Visi-SHARK 296
- IGURE J.4.2B – SOCKET ERROR 301
- J.6.1 File Menu 305
- J.6.2 Screen Image menu 307
- J.6.3 New Connection Menu 310
- J.6.4 View Menu 311
- J.6.5 Window Menu 311
- Telecom Test and Measurement 321
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