Appendix A
sx2000 LEDs
172
Figure A-1 Utilities LEDs
Hot swap
oscillators
(HSO)
System Backplane RPM On Green
On
Yellow
HSO Supply running
HSO clock fault
Table A-3 OL* LED States
Description Power (Green) OL* (Yellow)
Normal operation (powered) On Off
Fault detected, power on On Flashing
Slot selected, power on, not
ready for OLA/D
On On
Power off or slot available Off Off
Fault detected, power off Off Flashing
Read for OL* Off On
Table A-2 Power and OL* LEDs (Continued)
LED Location
Driven
By
State Meaning