Sre Module Leds In An Ex8208 Switch - Juniper EX8208 Hardware Manual

SRE Module LEDs in an EX8208 Switch

Each Switch Fabric and Routing Engine (SRE) module has four LEDs on the left side of the module's front
panel. See Figure 17 on page
the status they indicate.
Figure 17: SRE Module LEDs in an EX8208 Switch
Table 34: SRE Module LEDs of an EX8208 Switch
LED Label (Description)
ON (Power On)
ST (Status)
MS (Primary)
80. Table 34 on page 80
Color
Green
Unlit
Green
Yellow
Unlit
Green
Unlit
describes these LEDs, their colors and states, and
State and Description
SRE module is powered on.
SRE module is powered off.
On steadily—SRE module is operating normally.
Blinking—SRE module is booting.
On steadily—SRE module has failed.
SRE module is offline.
On steadily—SRE module is the primary.
Blinking—SRE module is in standby mode.
NOTE: For EX8208 switches, running a Junos OS release
prior to Release 10.2R1, the MS led on the backup SRE
module remains unlit. To resolve this issue, upgrade the
switch to Junos OS Release 10.2R1 or higher.
SRE module is powered off.
80