FEB LEDs on the M120 Craft Interface
Each FEB has two LEDs on the craft interface that indicate its status. The LEDs, labeled
0
through
5
, are located on the lower right of the craft interface below the
FEBS
label.
describes the functions of the FEB LEDs.
Table 5: FEB LEDs on the M120 Craft Interface
Description
State
Color
Label
FEB is active.
On steadily
Green
ACTIVE
FEB is transitioning online/offline.
Blinking
FEB is functioning normally.
On steadily
Green
STATUS
FEB is not functioning normally.
On steadily
Red
FPC LEDs on the M120 Craft Interface
Each FPC slot has one LED that indicates its status. The FPC LEDs, labeled
FPC0
through
FPC5
, are located along the bottom of the craft interface.
describes
the functions of the FPC LEDs.
Table 6: M120 FPC LEDs
Description
State
Color
Label
FPC has failed.
On steadily
Red
STATUS
FPC is functioning normally.
On steadily
Green
FPC is transitioning online/offline.
Blinking
Power Supply LEDs on the M120 Craft Interface
Each power supply has one LED on the craft interface that indicates its status. The LEDs,
labeled
0
and
1
, are located on the lower left of the craft interface under the
POWER
label.
describes the functions of the power supply LEDs.
Table 7: Power Supply LEDs on the M120 Craft Interface
Description
State
Color
Label
Power supply has failed.
On steadily
Red
STATUS
Power supply is functioning normally.
On steadily
Green
External Clocking Inputs LEDs on the M120 Craft Interface
The
EXT CLOCK
ports are labeled
A
and
B
.
15
Copyright © 2018, Juniper Networks, Inc.
Chapter 3: Chassis Components and Descriptions
Summary of Contents for M120
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