Exfo FOT-930 Multifunction Loss Tester Uživatelský manuál stáhnout pdf (Strana 52)

Measuring Optical Return Loss

44 FOT-930

Performing and Saving ORL Measurements

5. Connect one end of a patchcord to the FASTEST SM port of your unit

leaving the other end unconnected.

6. Perform an ORL reference as follows:

Note: During the reference, the patchcord end should remain in the air;

reflections occurring at a fiber-to-air interface correspond to a constant of

14.7 dB.

Use the left/right function arrows to display

ORL Reference and press the F1 or F2 key

to select it.

In the ORL Reference message box, press

OK (Enter).

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User Guide 1
Multifunction Loss Tester 1
Contents 3
ASTEST) ...............47 4
Certification Information 6
DECLARATION OF CONFORMITY 7
1 Introducing the FOT-930 9
ASTEST, light 10
ASTEST and light source) 10
IMPORTANT 12
8 FOT-930 16
Symbol Meaning 16
Multifunction Loss Tester 9 17
Affixed to back 17
(under the stand) 17
Indicated on 17
Electrical Safety Information 18
Multifunction Loss Tester 11 19
Using Menus and Keypad 22
4 Customizing Your 25
Setting the Date and Time 26
Multifunction Loss Tester 19 27
Auto-Off 28
Loss Tester 29
Multifunction Loss Tester 23 31
Setting Autonaming Scheme 33
Setting Pass/Fail Thresholds 35
6 Measuring Power or Loss 37
Multifunction Loss Tester 31 39
Multifunction Loss Tester 33 41
Multifunction Loss Tester 35 43
Measuring Power or Loss 44
38 FOT-930 46
Multifunction Loss Tester 39 47
Zero Value 50
Multifunction Loss Tester 43 51
44 FOT-930 52
Multifunction Loss Tester 45 53
Te r mi n ati onComponent 53
ASTEST singlemode (SM) and 55
Setting Up the FASTEST 56
ASTEST 57
Performing the FASTEST 60
ASTEST parameters 61
Multifunction Loss Tester 57 65
10 Using a Light Source 67
60 FOT-930 68
11 Identifying Fiber Faults 69
Visually 69
62 FOT-930 70
66 FOT-930 74
Multifunction Loss Tester 67 75
Communicating by Voice 76
Calling Unit Receiving Unit 77
70 FOT-930 78
72 FOT-930 80
Cleaning EUI Connectors 80
Cleaning VFL-Type Connectors 83
Replacing Batteries 85
Battery Safety Information 86
Recalibrating the Unit 87
15 Troubleshooting 89
82 FOT-930 90
Solving Common Problems 90
 Change source’s emitting 90
 Deactivate wavelength 90
ASTEST Setup 92
Obtaining Online Help 93
86 FOT-930 94
Transportation 95
Service and Repairs 99
92 FOT-930 100
A Technical Specifications 101
Technical Specifications 102
Multifunction Loss Tester 95 103
..................... 32 104
Multifunction Loss Tester 97 105
Multifunction Loss Tester 99 107
₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 109
MARKING REQUIREMENTS 110

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