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C A U T I O N
Measurement Accuracy
Measurement Accuracy
To ensure that you obtain the specified accuracy, you must perform a plug-in
module vertical calibration. The calibration must also be performed when you
move a plug-in module from one slot to another, or from one mainframe to
another. Refer to Chapter 3, "Calibration Overview" for information on per-
forming a plug-in module vertical calibration.
The Agilent 83487A optical/electrical plug-in module input circuitry can be
damaged when the total input power levels exceed +10 dBm (10 mW) on the
optical channel or ±2 V + peak ac (+16 dBm) on the electrical channel. To
prevent input damage, this specified level must not be exceeded.
Measurement accuracy—it's up to you!
Fiber-optic connectors are easily damaged when connected to dirty or damaged cables
and accessories. The Agilent 83487A optical/electrical plug-in module's front-panel
INPUT connector is no exception. When you use improper cleaning and handling tech-
niques, you risk expensive instrument repairs, damaged cables, and compromised mea-
surements.
Before you connect any fiber-optic cable to the Agilent 83487A optical/electrical plug-in
module, refer to "Cleaning Connections for Accurate Measurements" on page 5-14.
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