User`s guide

5-2
Servicing
Servicing
Servicing
This chapter provides a procedure to replace an internal fiber-optic cable with
a spare cable. This procedure may be needed if a fiber-optic cable becomes
damaged through improper connections. Spare fiber-optic cables are provided
inside the lightwave switch.
Before servicing this lightwave switch, familiarize yourself with the safety
markings on the instrument and the safety instructions in this manual. This
instrument has been manufactured and tested according to international
safety standards. To ensure safe operation of the instrument and the personal
safety of the user and service personnel, the cautions and warnings in this
manual must be heeded.
WARNING
Refer to the summary of safety considerations at the front of this
manual.
WARNING
These servicing instructions are for use by qualified personnel only.
To avoid electrical shock, do not perform any servicing unless you are
qualified to do so.
WARNING
Failure to ground the lightwave switch properly can result in personal
injury, as well as instrument damage.
WARNING
The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
CAUTION
Electrostatic discharge (ESD) can damage or destroy electronic components.
All work on electronic assemblies should be performed at a static-safe work
station. Refer to “Electrostatic Discharge Information” on page 5-7 for more
information on preventing ESD.