Appendix B: Field-Replaceable Units
Page 136 7705 SAR-8 Installation Guide
Warnings and Notes
Dangers:
• Only trained and qualified personnel should install or replace this equipment.
• Use of procedures other than those specified in this 7705 SAR-8 Installation Guide can
result in hazardous radiation exposure.
Warnings:
• Electrostatic discharge (ESD) damage can occur if 7705 SAR-8 components are
mishandled. Always wear an ESD-preventive wrist or ankle strap connected to a nearby
ground point that is connected to a site grounding point (typically, the grounding stud on
the 7705 SAR-8, or a properly grounded rack or work bench).
• If power cables are connected to a circuit panel, always use caution when removing and
replacing field-replaceable components.
• Always place router components on an anti-static surface.
• Filler plates are required on all empty slots to prevent excess dust accumulation and to
help control airflow and electromagnetic interference.
Note: Unless stated otherwise in this installation guide, replacing an FRU requires modifying
the configuration of the FRU before the FRU can be removed. Typically, this means using the
shutdown command to put the element(s) in an administratively “down” state.
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