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Maintaining Line Card Cables in EX8200 Switches
Components in the line cards are fragile. To extend the lives of your line card cables and
to avoid problems that can result from cable damage, follow these procedures:
To maintain line card cables in EX8200 switches:
•
Place excess cable out of the way. Do not allow fastened loops of cable to dangle
from the connector. Placing fasteners on the loops helps retain their shape.
•
Keepthecableconnectionscleanandfreeofdustandotherparticles,whichcancause
drops in the received power level. Always inspect cables and clean them if necessary
before connecting an interface.
•
Label both ends of line card cables to identify them.
Related Topics Handling and Storing Line Cards in EX8200 Switches on page 227•
• Maintaining Fiber-Optic Cables in EX Series Switches on page 231
• 8-port SFP+ Line Card in an EX8200 Switch on page 30
• 40-port SFP+ Line Card in an EX8200 Switch on page 31
• 48-port SFP Line Card in an EX8200 Switch on page 33
• 48-port RJ-45 Line Card in an EX8200 Switch on page 34
Maintaining Fiber-Optic Cables in EX Series Switches
Fiber-opticcablesconnecttoopticaltransceiversthatareinstalledinEXSeriesswitches.
To maintain fiber-optic cables:
•
When you unplug a fiber-optic cable from a transceiver, place rubber safety caps over
the transceiver and on the end of the cable.
•
Anchor fiber-optic cables to avoid stress on the connectors. When attaching a
fiber-optic cable to a transceiver, be sure to secure the fiber-optic cable so that it is
notsupportingits ownweightasithangs tothefloor.Neverleta fiber-opticcablehang
free from the connector.
•
Avoidbendingfiber-opticcablesbeyondtheirminimumbendradius.Bendingfiber-optic
cables into arcs smaller than a few inches in diameter can damage the cables and
cause problems that are difficult to diagnose.
•
Frequentpluggingandunpluggingoffiber-opticcablesinandoutofopticalinstruments
can damage the instruments, which are expensive to repair. Attach a short fiber
extension to the optical equipment. Any wear and tear due to frequent plugging and
231Copyright©2010, JuniperNetworks, Inc.
Chapter14:RoutineMaintenance