Exfo FTB-3930 MultiTest Uživatelský manuál stáhnout pdf (Strana 29)

100

101

Measuring Power or Loss

Multifunction Loss Tester 23

Referencing Your Power Meter to a Source

In reference mode, your unit displays the loss created by the fiber under

test only, since it subtracts a reference value from the measured power.

In the illustration, the reference value (-2.62 dBm) is subtracted from the

actual power measured (-2.465 dBm).

Note: The reference value you set for each wavelength remains in memory until a

new one is set for the same wavelength, even when you turn the unit off.

Reference

power

Measured loss

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 100 101

FTB-3930 1
Contents 3
Certification Information 5
1 Introducing the FTB-3930 7
ASTEST and 8
ASTEST only 8
Typical Applications 9
IMPORTANT 10
2 Safety Information 11
6 FTB-3930 12
Symbol Meaning 12
Multifunction Loss Tester 7 13
Affixed to 13
Indicated on 13
Electrical Safety Information 14
3 Customizing Your 15
Multifunction Loss Tester 15
10 FTB-3930 16
Loss Tester 17
Multifunction Loss Tester 13 19
To set the autonaming scheme: 21
Setting Pass/Fail Thresholds 23
18 FTB-3930 24
5 Measuring Power or Loss 25
Multifunction Loss Tester 21 27
Multifunction Loss Tester 23 29
Reference 29
Measured loss 29
24 FTB-3930 30
Multifunction Loss Tester 25 31
Measuring Power or Loss 32
28 FTB-3930 34
MULTITEST 35
(see page 22) 36
Multifunction Loss Tester 31 37
ASTEST SM port 37
Termination Component 37
32 FTB-3930 38
Multifunction Loss Tester 33 39
ASTEST SM port of your unit 39
34 FTB-3930 40
7 Performing Automated 41
IL/ORL/Length Measurements 41
(FasTesT) 41
Setting Up the FasTest 42
38 FTB-3930 44
Referencing Units for FasTesT 44
Performing the FasTesT 49
44 FTB-3930 50
Unit A (Master) Unit B 50
Standard View 51
FTTx View 51
46 FTB-3930 52
8 Managing Test Results 55
Managing Test Results 56
Customizing Result Display 58
54 FTB-3930 60
Multifunction Loss Tester 55 61
9 Using a Light Source 63
58 FTB-3930 64
FTB-200 v2 65
10 Identifying Fiber Faults 67
Visually 67
62 FTB-3930 68
11 Communicating with Other 69
64 FTB-3930 70
Multifunction Loss Tester 65 71
ASTEST tab 71
Communicating by Voice 72
Calling Unit Receiving Unit 73
68 FTB-3930 74
12 Maintenance 75
70 FTB-3930 76
Cleaning EUI Connectors 76
Cleaning VFL-Type Connectors 79
Recalibrating the Unit 80
Recycling and Disposal 81
13 Troubleshooting 83
Multifunction Loss Tester 79 85
ASTEST ORL 85
Obtaining Online Help 86
Multifunction Loss Tester 81 87
Transportation 88
14 Warranty 89
Service and Repairs 91
86 FTB-3930 92
A Technical Specifications 93
Technical Specifications 94
Multifunction Loss Tester 89 95
Multifunction Loss Tester 91 97
₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 99
MARKING REQUIREMENTS 100

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