About the PathBuilder S24x, 26x, and 27x switch 1-19
Hardware Components
LED Status
Indicators The T1 dual port digital PBX interface card contains four LEDs that can be viewed
through the rear bracket.
LED Color LED is... ...Indicating
Port 49
Yell ow
OFF
ON
Normal operation
Carrier failure on Port 49span
Port 50
Yell ow
OFF
ON
Normal operation
Carrier failure on Port 50 span
RUN
Green
OFF
ON
Card failure
Card Active
SYSFAIL
Yell ow
OFF
ON
Normal operation
Card failure