Mx240 Component Leds On The Craft Interface; Host Subsystem Leds On The Mx240 Craft Interface; Table 6: Alarm Leds And Alarm Cutoff/Lamp Test Button; Table 7: Host Subsystem Leds On The Craft Interface - Juniper MX240 Hardware Manual

MX240 3D Universal Edge Router Hardware Guide

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

Shape
Related
Documentation

MX240 Component LEDs on the Craft Interface

Host Subsystem LEDs on the MX240 Craft Interface

14
Color State
Red On steadily
Yellow On steadily
– –
MX240 Craft Interface Overview on page 12
MX240 Alarm Relay Contacts on the Craft Interface on page 13
MX240 Component LEDs on the Craft Interface on page 14
Connecting the Alarm Relay Wires to the MX240 Craft Interface on page 267
Host Subsystem LEDs on the MX240 Craft Interface on page 14
Power Supply LEDs on the MX240 Craft Interface on page 15
DPC and MPC LEDs on the MX240 Craft Interface on page 15
FPC LEDs on the MX240 Craft Interface on page 15
SCB LEDs on the MX240 Craft Interface on page 16
Fan LED on the MX240 Craft Interface on page 16
Each host subsystem has three LEDs, located in the middle of the craft interface, that
indicate its status. The LEDs labeled
0 and the SCB in slot 0 . The LEDs labeled
SCB in slot . Table 7 on page 14
1/0

Table 7: Host Subsystem LEDs on the Craft Interface

Label Color
MASTER Green
ONLINE Green
Description
Critical alarm LED—Indicates a critical condition that
can cause the router to stop functioning. Possible
causes include component removal, failure, or
overheating.
Warning alarm LED—Indicates a serious but 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.
show the status of the Routing Engine in slot
RE0
RE1 show the status of the Routing Engine and
describes the functions of the host subsystem LEDs.
State Description
On steadily Host is functioning as the master.
On steadily Host is online and is functioning normally.
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