MX204 Routing Engine LEDs
The Routing Engine is built-in on the MX204 and is attached to the baseboard and cannot be replaced.
The status of the Routing Engine is displayed by the ONLINE and OK/FAIL LEDs on the front panel of
the MX204 chassis.
Table 16 on page 49 describes the functions and LEDs on the MX204 router.
NOTE: The functioning of the MX204 router is controlled by the Routing Engine, and the LEDs
present on the front panel of the router displays the status and functioning of the MX204 router.
Table 16: MX204 LEDs
DescriptionStateColorLabel
Both Junos OS and Linux are successfully loaded
on the router.
On
steadily
GreenONLINE
Router is starting Junos OS.Blinking
Router has loaded Linux.On
steadily
Red
Router is starting Linux.Blinking
Router is offline.Off–
Router is functioning normally.On
steadily
GreenOK/FAIL
Router has failed.BlinkingRed
Router is not powered on.Off–
49