Table 12: Cable Distances and Types (continued)
Standard Media Type MHz•km
Rating
Maximum
Distance (Meters)
1000BASE-T Category 5 and higher UTP
cable
– 100
100BASE-TX Category 5 and higher UTP
cable
– 100
10BASE-T Category 3 and higher UTP
cable
– 100
Refer to the Extreme Optics website for details about direct-attach cables that are
supported by this equipment.
Use RJ45 Connector Jackets
Use RJ45 cable with connector jackets that are ush with the connector or that have
connectors with a no-snag feature.
Using cable with jackets that are wider than the connectors can cause:
• Connectors that are not properly aligned with the port.
• Crowded cable installation, which can cause connectors to pop out of the port.
Figure 15 shows examples of recommended and non-recommended connector jacket
types.
0.1" = 1mm actual
39.37% : 254%
SPG_001
Not recommended
Better
Best
Figure 15: RJ45 Connector Jacket Types
Prevent Radio Frequency Interference (RFI)
If you use UTP cabling in an installation, take precautions to avoid radio frequency (RF)
interference.
Use RJ45 Connector Jackets Site Preparation
48 Extreme 7720 Hardware Installation Guide
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