Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 253

Table 5-1 Status of Alphanumeric Displays and LEDs at System Startup
Card LED Function
RP LED alphanumeric
displays
Line card LED alphanumeric
displays
CSC(s) System alarm LEDs
CSC Status LEDs
FAN FAIL Status
LEDs
SFC Status LEDs
AC-input Power status LEDs
power supply
DC-input Power status LEDs
power supply
Display Contents/LED Status/Meaning
MSTR (top)
RP (bottom)
The RP is enabled and recognized by the system; a valid
Cisco IOS software image is running.
IOS (top)
RUN (bottom)
The line card is enabled and ready for use.
CRITICAL: OFF
MAJOR: OFF
MINOR: OFF
No system alarm conditions exist.
FAIL: OFF
ENABLED: ON
The CSC is functional.
LINECARD (left LED): OFF
PWR SPLY (right LED): OFF
The fan trays are operational.
FAIL (top): OFF
ENABLED (bottom): ON
All the SFCs are functional.
AC INPUT OK (top): ON
OUTPUT FAIL (bottom): OFF
The power supply voltages are present and within
tolerance.
INPUT OK (top): ON
OUTPUT FAIL (bottom): OFF
The power supply voltages are present and within
tolerance.
Troubleshooting the Installation 5-3
Troubleshooting Overview