EXFO FTB-8510B Guia Del Usuario página 659

Electrostatic Discharge (ESD) Sensitive Equipment:
Plug-in modules can be damaged by static electrical discharge. To
minimize the risk of damage, dissipate static electricity by touching
a grounded unpainted metal object
SONET/SDH Application
before removing, inserting, or handling the module.
before connecting or disconnecting cables to/from the module.
before inserting or removing SFP/XFPs to/from the module.
Installation Instruction Warnings
C
AUTION
Safety Information
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