1、 IEC 61300-3-3Edition 3.0 2009-03INTERNATIONAL STANDARD Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-3:Examinations and measurements Active monitoring of changes in attenuation and return loss IEC 61300-3-3:2009(E)LICENSED TO MECON Limited.-
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9、mer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61300-3-3Edition 3.0 2009-03INTERNATIONAL STANDARD Fibre optic interconnecting devices
10、and passive components Basic test and measurement procedures Part 3-3:Examinations and measurements Active monitoring of changes in attenuation and return loss INTERNATIONAL ELECTROTECHNICAL COMMISSION RICS 33.180.20 PRICE CODEISBN 2-8318-1033-7 Registered trademark of the International Electrotechn
11、ical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61300-3-3 IEC:2009(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 General description.6 3.1 Test method.6 3.2 Precautions.7 4 Apparatus.7 4.1 Methods 1,2 and
12、 3.7 4.1.1 General.7 4.1.2 Source(S).7 4.1.3 Launch condition(E).8 4.1.4 Monitoring equipment.8 4.1.5 Detector D.9 4.1.6 Stress fixture.9 4.1.7 Branching device BD.9 4.1.8 Temporary joints.9 4.1.9 Data acquisition.9 4.1.10 Monitor sample.9 4.1.11 Reference fibre.10 4.2 Methods 4 and 5.11 4.2.1 Gener
13、al.11 4.2.2 OTDR.11 4.2.3 Buffer fibre.11 4.2.4 Optical switches.11 5 Procedure.13 5.1 Monitoring attenuation and return loss of a single sample method 1.13 5.1.1 General.13 5.1.2 Attenuation monitoring method 1.13 5.1.3 Return loss monitoring method 1.14 5.2 Monitoring attenuation and return loss o
14、f multiple samples using a 1 N branching device method 2.14 5.2.1 General.14 5.2.2 Attenuation monitoring method 2.14 5.2.3 Return loss monitoring method 2.14 5.3 Monitoring attenuation and return loss of multiple samples using two 1 N optical switches method 3.14 5.3.1 General.14 5.3.2 Attenuation
15、method 3.14 5.3.3 Return loss method 3.15 5.4 Bidirectional OTDR monitoring of attenuation and return loss of multiple samples method 4.16 5.4.1 General.16 5.4.2 Attenuation method 4.16 5.4.3 Return loss method 4.18 5.5 Unidirectional OTDR monitoring of attenuation and return loss of multiple sample
16、s method 5.19 6 Details to be specified.19 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61300-3-3 IEC:2009(E)3 6.1 Method 1.19 6.2 Methods 2 and 3.20 6.3 Methods 4 and 5.20 Figure 1 Method 1 Monitoring attenuation and return loss of a single sample undergoing stress testing.10 Figure 2 Method 2 Monitoring attenuation and return loss of multiple samples using a 1 N branching device.10 Figure 3 Method 3 Monitoring attenuation and
