SPAN LEDs
The 4 SPAN LEDs indicate the status of the 4 T1/E1 facilities. A SPAN LED is in one of the
following states:
Solid on yellow: Facility is operational and alarm free.
•
•
Blinking yellow for 2 seconds, off 0.1 seconds: Facility is operational and alarm free
AND is carrying the control channel (facility A or B only).
•
Solid on red: Facility is alarmed.
Solid off: Facility is not administered or has been busied out.
•
October 2002
Testing the Complete Configuration
329