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ACR-F and PS ACR-F
(older names: ELFEXT and PSELFEXT)
Test Result
FAIL or PASS*
Resistance
Test Result
FAIL or PASS*
22
Possible Cause of Result
• General rule: troubleshoot NEXT problems first. This
normally corrects any ACR-F (ELFEXT) problems
• Service loops with many tightly coiled windings
Possible Cause of Result
• Excessive cable length
• Poor connection due to oxidized contacts
• Poor connection due to marginally attached conductors
• Thinner gauge cable
• Incorrect patch cord type
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