Cisco Prisma II 1310 nm HDTx Transmitters Installation Guide

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Important Safety Instructions 
 
xv 
 
Circuit Overload 
Know the effects of circuit overloading before connecting this equipment to the 
power supply. 
 
CAUTION: 
Consider the connection of this equipment to the supply circuit and the effect 
that overloading of circuits might have on overcurrent protection and supply 
wiring. Refer to the information on the equipment-rating label when 
addressing this concern.
 
 
General Servicing Precautions 
 
 
WARNING: 
Avoid electric shock! Opening or removing this equipment’s cover may 
expose you to dangerous voltages.
 
 
 
CAUTION: 
These servicing precautions are for the guidance of qualified service 
personnel only. To reduce the risk of electric shock, do not perform any 
servicing other than that contained in the operating instructions unless you 
are qualified to do so. Refer all servicing to qualified service personnel.
 
Be aware of the following general precautions and guidelines: 
 
Servicing - Servicing is required when this equipment has been damaged in any 
way, such as power supply cord or plug is damaged, liquid has been spilled or 
objects have fallen into this equipment, this equipment has been exposed to rain 
or moisture, does not operate normally, or has been dropped. 
 
Wristwatch and Jewelry - For personal safety and to avoid damage of this 
equipment during service and repair, do not wear electrically conducting objects 
such as a wristwatch or jewelry. 
 
Lightning - Do not work on this equipment, or connect or disconnect cables, 
during periods of lightning. 
 
Labels - Do not remove any warning labels. Replace damaged or illegible 
warning labels with new ones. 
 
Covers - Do not open the cover of this equipment and attempt service unless 
instructed to do so in the instructions. Refer all servicing to qualified service 
personnel only. 
 
Moisture - Do not allow moisture to enter this equipment. 
 
Cleaning - Use a damp cloth for cleaning. 
 
Safety Checks - After service, assemble this equipment and perform safety 
checks to ensure it is safe to use before putting it back into operation.