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System LEDs
The MERLIN Messaging System module faceplate contains:
One system status LED●
One LED for each of the voice ports●
The color(s) and status (that is, on, off or blinking) of the LEDs provide information regarding the
operation of the MERLIN Messaging System module.
The table below provides a description of the port-level and system status LED display variations.
Display Meaning
Port-Level LEDs
Port not available for use (off)
Port in service and idle (on-hook)
Port in use (off-hook)
System Status LED
System is not powered up or there is a fault condition
System is in a ready state (off-hook; speaking or recording; receiving Touch Tones)
There is a self-test failure or system is out-of-service
There is a self-test failure or system is out-of-service
System software is being upgraded
Hard disk is active
System LEDs (Planning)
http://www.sostc.com/lucent/systemplanning/overview/mmgencfg4.htm [2/2/2000 2:31:07 PM]