Juniper MX10003 Hardware Manual page 52

NOTE: The functioning of the MX10003 router is contolled by the RCB, and the LEDs present
on the RCBs displays the status and functioning of the MX10003 chassis.
Table 17: MX10003 RCB LEDs
Label Color
ONLINE Green
Yellow
MST Blue
–
OK/FAIL Yellow
Green
SSD0 Green
SSD1 Green
BITS Green
Red
–
See MX10003 Routing Engines and Routing Engine Specifications.
State Description
Blinking RCB is starting Junos OS.
Blinking RCB is starting Linux.
On Both Junos OS and Linux are successfully loaded
steadily on the RCB.
Off RCB is offline.
On RCB is the master.
steadily
Off RCB is the backup.
On RCB has failed.
steadily
On RCB is functioning normally.
steadily
Blinking SSD0 is active.
Blinking SSD1 is active.
On Building-integrated timing supply (BITS) external
steadily clocking interface is active.
On BITS external clocking interface has failed.
steadily
Off BITS external clocking interface is offline.
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