User`s guide

Getting Started with Optical Heads Safety Considerations
12 Agilent 81618A/9A and Agilent 81623B/4B/6B/8B Optical Heads, Fourth Edition
Operating Environment
The safety information in the Agilent 8163A Lightwave Multimeter,
Agilent 8164A Lightwave Measurement System, and Agilent 8166A
Lightwave Multichannel System User’s Guide summarizes the operating
ranges for the Agilent 81618A and Agilent 81619A Optical Head Interface
Modules. In order for these modules to meet specifications, the operating
environment must be within the limits specified for the Agilent 8163A
Lightwave Multimeter, Agilent 8164A Lightwave Measurement System,
and Agilent 8166A Lightwave Multichannel System.
Storage and Shipment
This module can be stored or shipped at temperatures between
−40°C and +70°C. Protect the module from temperature extremes that may
cause condensation within it.