Table2-5 Functionsof the mode switch (co ntinued)
Function Modeswitch
Locked Service
Inhibitionof break signal
reception
Enabled.Usin g the setpparmode
command, it is possible to specify
whetherbreak signal reception is
allowedor inhib ited for each physical
partition.
Disabled
Table2-6 Systemoperation status indicated by LEDs
Icon Name Color Description
POWER Green Indicatesthe startup or stop status of the system for
eachchassis.
●On:System is st arted.
●Off:System is stopped.
●Blinking (*): System stop process is in progress.
XSCF
STANDBY
Green Indicates the status of the XSCF for the entire system or
foreach chassis.
●On:XSCF is functioning normally.
●Off:XSCF is stopped.
●Blinking(*): System is being initialized after
power-on.
2.3 Checking the LED Indications
Thissection describes the statuses of the LEDs mounted on the SPARC M10-4/M10-
4Sand the crossbar box.
LEDsare mounted on the operation panel on the front of the chassis, on the rear
panelo f the chassis, and on each component that can be maintained. If an error
occurs, the LED indication enables you to determine which system requires
maintenance.

2.3.1 Operation panel LEDs

Thethr ee LEDs on the operation panel indicate the operation status of the overall
system.In addition, the LED sen able you to check the system status by their
combinationof being on, blinking, or off.
Table2-6 lists the system operati on status indicated by the LEDs, while Table 2-7 lists
thesy stem status indicated by the combination of LEDs.
Chapter2 Understandingthe System Components 23