25
Symptom
Action
PWR indicator is OFF.
Check that the power cord is securely installed on both ends.
If no other indicators are on, the power supply may be
defective. Plug the SuperLine IAD into another outlet. If the
problem persists, contact your service provider.
If other indicators are on, unplug the power cord and plug it
back in; watch all indicators during the power-on self-test to
determine if the PWR indicator is operational.
There is no dial tone
at one or all of the
three PHONE jacks.
Check the connections of the SuperLine IAD to the wall jack,
and your devices to the SuperLine IAD. If the problem
persists, contact your service provider.
The existing (BASE)
phone has dial tone
but does not ring.
Verify the total Ringer Equivalency Number (REN) of all of
the devices connected to your existing phone line and BASE
PHONE jack does not exceed 3. REN is normally specified
on a label on the phone, fax machine, or modem.
The phone connected
to the PHONE 1/2 or
PHONE 2 jack does
not ring but you can
place calls.
Verify the total Ringer Equivalency Number (REN) of all of
the devices connected to your PHONE 1/2 or PHONE 2 jack
does not exceed 3. REN is normally specified on a label on
the phone, fax machine, or modem.
The PHONE 2 jack
has no dial tone.
Verify that your service provider has supplied you with two
additional lines.
You detect distortion
on the phone
connected to the
PHONE 1/2 or
PHONE 2 jack, or the
Verify that you are
not using a 4-wire phone cable for the
device connected to the PHONE 1/2 jack. Use only a 2-wire
cable to connect a device to the PHONE 1/2 jack (unless
you are connecting a 2-line phone as described on page 18).
PHONE 2 jack, or the
modem or fax
machine connected to
the PHONE 1/2 or
PHONE 2 jack does
not work properly.
Fast busy signal on
one of the additional
lines.
There is insufficient bandwidth to support the line. Contact
your service provider.
ETHERNET
throughput varies
when additional lines
are in use.
No action required. To ensure toll-quality voice lines, the
ETHERNET port gives up bandwidth to the additional lines
when they are active.
Throughput is
reduced when two
SuperLine IADs are
connected to the
same wall jack.
Connect only one SuperLine IAD to each phone line.
