Juniper MX2020 Hardware Manual page 81

Table 15: CB-RE LEDs
Label Color
ONLINE Green
—
MASTER Blue
OK/FAIL Red
LINK Green
Yellow
BITS Green
Yellow
–
GPS Green
Yellow
–
State Description
Blinking CB-RE is transitioning online.
On CB-RE is functioning normally.
steadily
Off CB-RE is offline.
On CB-RE is the master.
steadily
On CB-RE has failed.
steadily
On SFP+ ports (XGE-0 and XGE-1) link connection.
steadily
Blinking Activity on SFP+ ports (XGE-0 and XGE-1).
steadily
On No link.
On BITS external clocking interface is active.
steadily
On BITS external clocking interface has failed.
steadily
Off BITS external clocking interface is offline.
On GPS external clocking interface is active.
steadily
On GPS external clocking interface has failed.
steadily
Off GPS external clocking interface is offline.
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