SpectraLink 150 M3 MCU manual

SpectraLink Corporation Link WTS Installation and Operation

8.3Status LED Codes

Status
LEDs	Description	Action
12345
Random	The Link 150 M3 MCU is powering	This is not an error and should change to
Cycling	up. Initialization to follow.	another code after a minute.
5	Link 150 M3 MCU is initalizing.	Code number will change when finished.
1,2,3 or 4	MCU identification number.	Indicates normal operation when it is on
		steady.
	If the same LED is lit on more than	Check the IPC connections.
	one MCU:
	If the LED is flashing and the error	There is a problem with the MCU indicated
	light is on:	by the flashing box ID.

The following STATUS LEDs are displayed in combination with the ERROR LED.

Status	Description	Action
LEDs
1,2,3,4,5	MCU has not been configured for	Assign a switch type to the MCU. See
	switch interface type.	section 5.3.5 for instructions.
1,3	A Base Station has reported an	Replace the Base Station. In rare cases a
	internal problem.	problem with the MCU can cause this error.
2,3	No communication with one or more	Check cabling to verify that the Base
	Base Stations on this MCU.	Station's cable is plugged into and fully
		seated in the Base Station port at the back of
		the MCU and plugged into the Base Station
		at the other end.
		If the LED on the Base Station is not lit,
		check for proper wiring of the 8-pin modular
		plugs. See section 4.3.
		If the cable is over 600 feet long, verify that
		the extra wire pairs have been connected
		correctly.
		If the Base Station LED is flashing red, check
		for open or shorts on pins 1 and 2 of the
		cable.
		If the Base Station has been removed,
		acknowledge the alarm by moving the Mode
		Switch to REGISTER. Press the STEP
		button until the LED for the removed Base
		Station is blinking. Press DEL/ENTER, then
		move the Mode Switch back to NORMAL.
1,2,3	Internal communication problem	Replace the MCU.
	with the MCU.

Part Number: 72-0075-01-C-W.doc Page 31