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SpectraLink Corporation Installation and Operation
Link WTS – Link 150 M3 MCU
STATUS LEDs Description Action
4, 5 The switch type selected is not supported
by this MCU.
Verify that the switch type selected is correct. If the type
is incorrect, repeat the steps to select a new switch type.
See section 6.3
Install MCUs -Set Switch Interface Type
1, 4 The operator is trying to register a
handset or place an admin call on an
MCU with no phone lines.
Return mode switch to the
NORMAL position.
2, 4 The MCU was powered on with the mode
switch in the wrong position.
Turn off the MCU, place the mode switch to the
NORMAL position and turn back on.
3, 4 Configurations on a multi-MCU
installation do not match in each of the
units.
Most likely to occur when an MCU was
just added to the system.
Erase the configuration in the MCU with incorrect
configuration definitions (probably the MCU that was
just added.) To erase the configuration, refer to section
9.5
Replace an MCU.
Note:
Do not erase the configurations in all the MCUs. In
multiple MCU installations the handset registration
information is shared among the MCUs. This allows you
to replace an MCU without re-registering all the
handsets.
1, 3, 4 REGISTER or ADMIN mode selected
on more than one MCU at the same time.
Only one mode switch can be in ADMIN or REGISTER
at a time. Check the MCUs and take one of them out of
REGISTER or ADMIN mode.
2, 3, 4 The MCU was powered on with the mode
switch in the wrong position.
Turn off the unit, place the mode switch to the
NORMAL position and turn back on.
1, 2, 3, 4 Internal problem with the MCU. Contact SpectraLink Customer Service for technical
support.
1, 5 The MCU was powered on with the mode
switch in the wrong position.
A possible Base Station failure has been
detected. A Base Station that had
previously been heard by another Base
Station can no longer be heard.
Turn off the MCU, place the mode switch in the
NORMAL position and turn back on..
Check to see if the system was powered on with the
switch in the wrong position. If not, contact SpectraLink
Customer Service.
5 The MCU was powered on with the mode
switch in the wrong position.
One or more of the Base Stations on this
unit is disabled because it is located too
close to other Base Stations. The
ERROR display refers to the LED that is
red. If more than one LED is red, it refers
to the lowest numbered Base Station.
Turn off the MCU, place the mode switch in the
NORMAL position and turn back on.
Identify which Base Station has been disabled and
move it away from its nearest neighbor Base Station
If Mode switch is in ADMIN mode: Adjust the companding mode from Mu law to A law.
Refer to section 12.2
Change Companding
3, 5 The MCUs have incompatible versions of
software.
Contact SpectraLink Customer Service for technical
support.
PN: 72-0075-01-F.doc Page 37