Exfo OTDR 2 User Manual Page 187
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- Table of contents
- TROUBLESHOOTING
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Technical Specifications
OTDR 179
FTB-7400E
FTB-7400E
TECHNICAL SPECIFICATIONS
Model
a
FTB-7400E-XXXX FTB-7400E-CWS FTB-7400E-CWCL
Wavelengths (nm)
b
1310 ± 20/1383 ± 1/1550 ± 20/1625 ± 10 1470 ± 3/1490 ± 3/1510 ± 3/1530 ± 3 1550 ± 3/1570 ± 3/1590 ± 3/1610 ± 3
Dynamic range at 20 +s (dB)
c
42/40/41/41 41/41/ 41/41 41/41/ 40/40
Event dead zone (m)
d
0.80.80.8
Attenuation dead zone (m)
d
4/4/4.5/4.5 4/4.5/4.5 4/4.5/4.5
Distance range (km) 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400
Pulse width (ns)
5, 10, 30, 100, 275, 1000, 2500,
10 000, 20 000
5, 10, 30, 100, 275, 1000, 2500,
10 000, 20 000
5, 10, 30, 100, 275, 1000, 2500,
10 000, 20 000
Linearity (dB/dB)
b
± 0.03 ± 0.03 ± 0.03
Loss threshold (dB) 0.01 0.01 0.01
Loss resolution (dB) 0.001 0.001 0.001
Sampling resolution (m) 0.04 to 5 0.04 to 5 0.04 to 5
Sampling points Up to 256 000 Up to 256 000 Up to 256 000
Distance uncertainty (m)
e
± (0.75 + 0.001 % x distance + sampling
resolution)
± (0.75 + 0.001 % x distance + sampling
resolution)
± (0.75 + 0.001 % x distance + sampling
resolution)
Measurement time
User-defined
(5 sec. minimum to 60 min. maximum)
User-defined
(5 sec. minimum to 60 min. maximum)
User-defined
(5 sec. minimum to 60 min. maximum)
Typical real-time refresh (Hz) 4 4 4
Stable source output power (dBm)
f
–4.5 (7400E-0023B)
Visual fault locator (optional)
b
Laser, 650 nm ± 10 nm
CW, P
out
in 62.5/125 μm: 1.5 dBm (1.4 mW)
Notes
a. For complete details on all available configurations, refer to the Ordering Information section.
b. Typical.
c. Typical dynamic range with a three-minute averaging at SNR = 1.
d. Typical dead zone of singlemode modules for reflectance below –45 dB, using a 5 ns pulse.
e. Does not include uncertainty due to fiber index.
f. Typical output power value at 1550 nm.
- User Guide 1
- Contents 3
- Certification Information 7
- 1 Introducing the OTDR 9
- Introducing the OTDR 10
- Main Window 13
- Software Options 14
- Data Post-Processing 14
- OTDR Basic Principles 15
- 2 Safety Information 19
- (Models without VFL) 20
- (Models with VFL) 21
- Threshold at 0.1 dB 39
- Threshold at 0.15 dB 39
- Threshold at 0.05 dB 39
- Setting Macrobend Parameters 43
- Setting Pass/Fail Thresholds 47
- 4Testing Fibers 53
- Testing Fibers 64
- Acquisition Time 68
- 5 Customizing Your OTDR 75
- Selecting the Distance Units 77
- Customizing Your OTDR 82
- Selecting the Default View 84
- 6 Analyzing the Results 91
- Manually 91
- Using Markers 92
- Four-point 95
- A-B LSA loss 98
- 7 Analyzing Traces and Events 101
- Summary Tab 104
- Analyzing Traces and Events 106
- To choose a display mode: 106
- Events Tab 107
- Measure Tab 110
- Linear View 111
- OTDR 107 115
- Using Zoom Controls 117
- 110 OTDR 118
- OTDR 111 119
- 112 OTDR 120
- OTDR 113 121
- Main Trace Reference Trace 123
- Using a Reference Trace 124
- 118 OTDR 126
- Settings 127
- OTDR 121 129
- 122 OTDR 130
- OTDR 123 131
- IMPORTANT 132
- Modifying Events 133
- 126 OTDR 134
- Inserting Events 137
- 130 OTDR 138
- Managing Comments 140
- 134 OTDR 142
- OTDR 135 143
- 136 OTDR 144
- 138 OTDR 146
- Reflective Ends of Fiber 147
- Opening Measurement Files 151
- OTDR Test Application 153
- 9 Creating and Generating 155
- 148 OTDR 156
- Generating a Report 157
- 152 OTDR 160
- 154 OTDR 162
- 10 Using the OTDR as a Light 163
- 156 OTDR 164
- 158 OTDR 166
- 11 Maintenance 167
- 160 OTDR 168
- Cleaning EUI Connectors 168
- Recalibrating the Unit 170
- Recycling and Disposal 171
- 12 Troubleshooting 173
- 166 OTDR 174
- Solving Common Problems 174
- Problem Cause Solution 174
- Transportation 175
- 13 Warranty 177
- Service and Repairs 179
- 172 OTDR 180
- A Technical Specifications 181
- MAX-715B 182
- MAX-720B 183
- MAX-730B 184
- FTB-7200D 185
- FTB-7300E 186
- FTB-7400E 187
- FTB-7500E 188
- FTB-7600E 189
- SPECIFICATIONS 190
- Technical Specifications 191
- FTB-700G Series 192
- B Description of Event Types 193
- Span Start 194
- Span End 194
- Short Fibers 194
- Continuous Fiber 195
- End of Analysis 196
- Non-Reflective Event 197
- Reflective Event 198
- Positive Event 199
- Launch Level 200
- Fiber Section 201
- Merged Event 202
- OTDR 195 203
- Pass/Fail Tests 204
- All Event Types Are Tested 205
- 198 OTDR 206
- OTDR 199 207
- OTDR 203 211
- OTDR 205 213
- OTDR 207 215
- ₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 217
- MARKING REQUIREMENTS 218
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