Mx240 Component Leds On The Craft Interface; Host Subsystem Leds On The Mx240 Craft Interface - Juniper MX240 Hardware Manual

Table 6: Alarm LEDs and Alarm Cutoff/Lamp Test Button
Shape

MX240 Component LEDs on the Craft Interface

IN THIS SECTION

Host Subsystem LEDs on the MX240 Craft Interface | 40

Power Supply LEDs on the MX240 Craft Interface | 41
DPC and MPC LEDs on the MX240 Craft Interface | 41
FPC LEDs on the MX240 Craft Interface | 42
SCB LEDs on the MX240 Craft Interface | 42
Fan LED on the MX240 Craft Interface | 43
Host Subsystem LEDs on the MX240 Craft Interface
Each host subsystem has three LEDs, located in the middle of the craft interface, that indicate its status.
The LEDs labeled RE0 show the status of the Routing Engine in slot 0 and the SCB in slot 0. The LEDs
labeled RE1 show the status of the Routing Engine and SCB in slot 1/0.
functions of the host subsystem LEDs.
Color State Description
Red On Critical alarm LED—Indicates a critical condition
steadily that can cause the router to stop functioning.
Possible causes include component removal,
failure, or overheating.
Yellow On Warning alarm LED—Indicates a serious but
steadily nonfatal error condition, such as a maintenance
alert or a significant increase in component
temperature.
– – Alarm cutoff/lamp test button—Deactivates red
and yellow alarms. Causes all LEDs on the craft
interface to light (for testing) when pressed and
held.
Table 7 on page 41 describes the
40