User Manual

Appendix A: Diagnosing Cabling Faults
75
Crosstalk or ELFEXT fault
• Excessive untwisting of pairs at connector
• Poor quality patch cords
• Poor quality connectors
• Poor quality cable
• Cable compression (tight cable ties, pinches, kinks, etc.)
• Inappropriate use of couplers
• Electrical noise source near cabling
• Wrong application selected
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