Exfo IQS-12002B Calibration System Instrukcja Użytkownika Pobierz pdf (Strona 81)

Calibration Methods

Calibration System 77

FTB-7000D and FTB-7000B-B OTDR Modules

Dead Zone Calibration

The dead zone depends on the intensity of the reflectance. Compliance to

the specification must be done for a reflectance of –35 dB in multimode

and –45 dB in singlemode.

Note: There is no uncertainty value associated with this calibration.

Attenuation Dead Zone

The attenuation dead zone is the distance between markers A and B

on the OTDR trace presented below.

Marker A is positioned at the rising edge of the reflective event.

Marker B is positioned within the falling edge, 0.5 dB above the

backscatter level.

Attenuation

dead zone

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 107 108

CALIBRATION SYSTEM 1
Contents 3
1 Introducing the IQS-12002B 5
2 IQS-12002B 6
Conformity 7
Calibration Uncertainties 8
Guaranteed Specifications 8
Allowed Deviation 8
Calibration System 5 9
6 IQS-12002B 10
³ Inside specifications 10
Calibration System 7 11
System Overview 13
2 Getting Started with Your 15
Calibration System 15
12 IQS-12002B 16
Calibration System 13 17
Retaining screw knob 17
14 IQS-12002B 18
Instrument Warmup period 19
Calibration System 17 21
18 IQS-12002B 22
20 IQS-12002B 24
Calibration System 21 25
22 IQS-12002B 26
24 IQS-12002B 28
4 Operating Your Calibration 29
Calibration System 27 31
Launching a Manual Warmup 32
Locating IQS Modules 32
Performing a Test 33
30 IQS-12002B 34
32 IQS-12002B 36
34 IQS-12002B 38
36 IQS-12002B 40
38 IQS-12002B 42
Printing or Exporting Results 42
Printing Reports 43
40 IQS-12002B 44
5 Troubleshooting 47
44 IQS-12002B 48
Transportation 50
6 Maintenance 51
Calibration System 53 57
54 IQS-12002B 58
Calibration System 55 59
A Calibration Methods 61
58 IQS-12002B 62
Power Meter 62
Calibration Methods 63
Linearity Calibration 66
64 IQS-12002B 68
68 IQS-12002B 72
Dynamic Range Test 73
1max −±= 75
Distance Calibration 76
74 IQS-12002B 78
Calibration System 75 79
Dead Zone Calibration 81
78 IQS-12002B 82
B Configuring the FTB-7000D 83
OTDR on the IQS-12002B 83
80 IQS-12002B 84
Calibration System 81 85
82 IQS-12002B 86
Calibration System 83 87
84 IQS-12002B 88
Calibration System 85 89
86 IQS-12002B 90
Calibration System 87 91
Standard 93
2. Click OK 94
Position (UPC Connectors) 96
Calibration System 93 97
Calibration System 95 99
96 IQS-12002B 100
IMPORTANT 101
Position (APC Connectors) 102
Calibration System 101 105
IQS-12002B 106
Calibration System 103 107

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