User`s manual

Intelligent 4 Band VDSL 24 Ports Managed IP DSLAM USER’S MANUAL Ver. A.1
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3. Symptom:
VDSL Link cannot be established
Cause:
Rusted phone wire, not standard 24 gauge phone wire, not twisted-pair phone wire, wrong speed
mode.
Solution:
Check if speed of CO and CPE is in the same speed mode else please increase interleaver depth
value to 8 or above.
Note:
Phone cable must meet Cat. 3 standard or above and without clustering, otherwise will cause more
cross talk issue to reduce DSL power driver.