ADSL Loop Extender Installation Manual
Page 12
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Table 7 ADSL Loop Extender Troubleshooting
Problem Description
Possible Reason
Suggested Resolution
Extender does not work
after power-up. Status LED
is OFF.
Power supply cable is not
connected properly.
Check power
supply
and
power cable.
No
connection
Status LED
is always
on.
Cables at DSLAM side or
Modem side are not connected
properly.
Correct the cable connection.
Line quality is worse between
CO and CPE side.
Change good quality cable.
There is telephone before the
splitter on CPE side.
Discard the telephone before
the splitter on CPE side.
Status LED
flashes.
Cables linked ADSL Loop
Extender are not connected
properly.
Correct the cable connection.
Or check whether the distance
between DSLAM, Extender,
Modem is proper.
There is noise in user’s
telephone
Cable is connected to ground
or the insulation is not good
caused by men during the
construction process.
Check the cables.
Cable is too near to some
electric equipments with strong
magnetic field, such as high
Make cable far from the strong
magnetic field.