Fluke CableIQ - Impedance and Insertion Loss Faults

CableIQ Qualification Tester
Users Manual
76
Impedance fault
• Patch cord or cable impedance not 100 Ω (impedance mismatch)
• Patch cord handling causing changes in impedance
• Excessive amount of cable jammed into outlet box
• Tight service loops in the distribution box
• Excessive untwisting of pairs at connector
• Poor quality connectors
• Cable impedance not uniform
• Cable compression (tight cable ties, pinches, kinks, etc.)
• Poorly matched plug and jack
• Water in cable jacket
• Wrong application selected
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