EXFO FTB-8500 Series for FTB-500 - Manual (Page 21)

Safety Information
Ethernet and Fibre Channel Application 7
Installation Instruction Warnings
C
AUTION
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

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.
I
MPORTANT
All telecom (electrical) interfaces are SELV (Safety Extra Low
Voltage) circuitry for intra-building use only.