User`s guide
Tab l e o f C o n t e n t s
Agilent 81560A, 81561A, 81566A, & 81567A Optical Attenuator Modules, First Edition 9
Table o f C onte nts
Safety Summary 3
Safety Symbols 3
Initial Inspection 3
Line Power Requirements 4
Operating Environment 4
Storage and Shipment 4
Firmware Prerequisites 5
Checking your Current Firmware Revision 5
8163A/B Lightwave Multimeter, 8164A/B Lightwave Measurement
System, or 8166A/B Lightwave Multichannel System 5
8156x Series Modules 6
The Structure of this Manual 7
Conventions used in this manual 7
Getting Started with Attenuator Modules 15
What is an Attenuator? 17
Installation 17
Variable Optical Attenuator Front Panels 18
Front Panel Controls and Indicators 18
Variable Optical Attenuator Front Panels 19
Front Panel Controls and Indicators 19
Typical Use Models 20
Optical Output 22
Angled and Straight Contact Connectors 22
Accessories 23
Modules and Options 25
Modules 25
User’s Guides 26
Connector Interfaces and Other Accessories 27
81560A and 81566A Variable Optical Attenuator Modules 27
81561A and 81567 Variable Optical Attenuator Modules 28