SpectraLink 150 M3 MCU manual Status Description Action LEDs

SpectraLink Corporation		Link WTS Installation and Operation
Status	Description	Action
LEDs
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	Verify that the switch type selected is correct.
	supported by this MCU.	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	Return mode switch to the NORM position.
	Wireless Telephone or place an
	admin call on an MCU with no
	phone lines.
2,4	The MCU was powered on with the	Turn off the MCU, place the mode switch to
	mode switch in the wrong position.	the NORM position and turn back on.
3,4	Configurations on a multi-MCU	Erase the configuration in the MCU with
	installation do not match in each of	incorrect configuration definitions (probably
	the units.	the MCU that was just added.) To erase the
	Most likely to occur when an MCU	configuration, refer to Replace an MCU.
	was just added to the system.	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	Only one mode switch can be in ADMIN or
	selected on more than one MCU at	REGISTER at a time. Check the MCUs and
	the same time.	take one of them out of REGISTER or
		ADMIN mode.
2,3,4	The MCU was powered on with the	Turn off the unit, place the mode switch to
	mode switch in the wrong position.	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	Turn off the MCU, place the mode switch in
	mode switch in the wrong position.	the NORM position and turn back on..
	A possible Base Station failure has	Check to see if the system was powered on
	been detected. A Base Station that	with the switch in the wrong position. If not,
	had previously been heard by	contact SpectraLink Customer Service.
	another Base Station can no longer
	be heard.

Part Number: 72-0075-01-C-W.doc Page 32