SpectraLink 150 M3 MCU User Manual

Page 43

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SpectraLink Corporation

Link WTS Installation and Operation

Part Number: 72-0075-01-C-W.doc

Page 32

Status

LEDs

Description

Action

4

IPC problem.

Check IPC cabling by disconnecting and
reconnecting the MCUs. Connect the Male
RJ-21 connector from the appropriate
demarcation block to the designated RJ-21
connector (A or B) on each MCU. Secure
cables using the keeper.

If the error still occurs try using a different
IPC cable. Replace MCU if the problem still
occurs.

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 5.3.5.

1,4

The operator is trying to register a
Wireless Telephone or place an
admin call on an MCU with no
phone lines.

Return mode switch to the NORM 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 NORM 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 Replace an MCU.
Note: Do not erase the configurations in all
the MCUs. In multiple MCU installations the
Wireless Telephone registration information
is shared among the MCUs. This allows you
to replace an MCU without re-registering all
the Wireless Telephones.

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 NORM 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 NORM 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.

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