Zte ZXHN H167A User Manual page 12

usually the Link indicator on the ZXHN H167A will not be ON. It is suggested
to check the following steps one by one:
i. First check the quality of incoming cables and incoming cable connectors.
ii. Install the ZXHN H167A correctly based on the user guidance. Minimize
the number of taps.
iii. Check whether the telephone cables and VDSL2 are in good connection
or whether the telephone cables are normal.
iv. Try to disconnect the splitter and directly connect the ZXHN H167A to
the incoming user cable end. Ensure the problem is not due to improper
installation or incoming user line quality. If the VDSL2 can be synchronized
again, it means that installation of the incoming user side is improper.
Please reinstall it according to the user guide.
v. If the VDSL2 still fails to be synchronized when the ZXHN H167A is
connected to the incoming user cable end, contact the operators to check
whether it is due to external line failure or ZXHN H167A failure.
vi. If the splitter problem is determined, call the operator for maintenance or
replacement.
vii. If the problem is due to the end OFFice equipment failure, call the
operator to confirm it.
viii. Too long connection cable between the splitter and ZXHN H167A may
cause poor anti-interference performance and synchronization difficulty.
Therefore, the connection cable should not be too long.