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The following figure shows examples of connector jacket types that are not recommended, as
well as those that are recommended.
Figure 13. RJ-45 connector jacket types
Installing Cable
Consider the following recommendations when you connect cable to your network
equipment:
Examine cable for cuts, bends, and nicks.
•
Support cable using a cable manager that is mounted above connectors to avoid
•
unnecessary weight on the cable bundles.
Use cable managers to route cable bundles to the left and right of the network equipment
•
to maximize accessibility to the connectors.
Provide enough slack, approximately 2 to 3 inches (5.08 to 7.62 cm), to provide proper
•
strain relief as shown in
Bundle cable using velcro straps to avoid injuring cables.
•
If you build your own cable, be sure that cable is properly crimped.
•
When installing a patch panel using twisted pair wiring, untwist no more than 1 inch (2.54
•
cm) of the cable to avoid radio frequency (RF) interference.
Discharge the RJ-45 Ethernet cable before plugging it into a port on the switch.
•
Use plenum-rated cable when it is necessary for safety and fire rating requirements.
•
Consult your local building codes to determine when it is appropriate to use plenum-rated
cable, or refer to IEC standard 850.
Keep all ports and connectors free of dust.
•
36 |
Chapter 4. Site Preparation
8800 Series Chassis Switch Hardware Installation Guide
Figure 14, Correctly installed and bundled
cable.
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