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Cisco AS5350 Universal Gateway Chassis Installation Guide
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Chapter2 Preparing to Install the CiscoAS5350 Chassis
Safety Recommendation s
Follow these guidelines when you work on equipment powered by electricity.
•Locate the emergency power-OFF sw i tch f o r th e r oom in w hi ch y ou a re wo rki ng . Th en , if a n
electrical accident occu rs, yo u ca n act quickly to turn OFF th e power.
•Before working on the sy stem , unplug the power cord .
•Disconnect all power before doing the following:
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Installing or r em oving a chass i s
–
Working near power su p pl ie s
Warning
When installing the unit, the ground connection must always be made first and disconnected last. Do
not work alone if potentially hazardous conditions exist. To see translations of the warnings that
appear in this publication, refer to the Regulatory Compliance and Safety Information document that
accompanied this device.
•Never assume that power is disconnected from a circuit. Always check.
Warning
Read the installation instructions before you connect the system to its power source. To see
translations of the warnings that appear in the publication, refer to the Regulatory Compliance and
Safety Information document that accompanied this device.
•Look carefully for possible hazards in your work area, such as moist floors, ungrounded power
extension cables, frayed power cords, and missing safety grounds.
•If an electrical accident occurs, pr ocee d as follows:
–
Use caution; do not become a victim yourself.
–
Turn OFF power to the system.
–
If possible, send anothe r person t o get medic al aid. Ot herwis e, asses s the condi tion of th e victi m
and then call for help.
–
Determine if the person needs rescue breathing or external cardiac compressions; then take
appropriate action.
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
a fuse or circuit breaker no larger than 120VAC, 15A U.S. (240 VAC, 10A international) is used on the
phase conductors (all current-carrying conductors). To see translations of the warnings that appear
in the publication, refer to the Regulatory Compliance and Safety Information document that
accompanied this device.
Preventing Electrostatic Discharge Damage
Electrostatic disc harge (ESD) can da mage equ ipment a nd impa ir ele ctric al cir cuitry. ESD damage oc curs
when electronic compon ents are improperly handled and can result in compl ete or intermittent failures.
Always follow ESD-prevention procedures when you remove and replace components. Ensure that the
chassis is electricall y co nn ec ted to earth ground. Wear an E SD -p r eventive wr ist s tra p , en sur in g th at it
makes good skin contact. Connect the grounding clip to an unpainted surface of the chassis frame to