Mx480 Component Leds On The Craft Interface; Host Subsystem Leds On The Mx480 Craft Interface; Table 6: Alarm Leds And Alarm Cutoff/Lamp Test Button; Table 7: Host Subsystem Leds On The Craft Interface - Juniper MX480 Hardware Manual

MX480 Universal Routing Platform Hardware Guide

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

Shape

MX480 Component LEDs on the Craft Interface

38
To deactivate red and yellow alarms, press the button labeled
cutoff/lamp test"), which is located to the right of the alarm LEDs. Deactivating an alarm
turns off both LEDs and deactivates the device attached to the corresponding alarm
relay contact on the craft interface.
Table 6 on page 38 describes the alarm LEDs and alarm cutoff button in more detail.
Color State
Red On steadily
Yellow On steadily
– –
Host Subsystem LEDs on the MX480 Craft Interface on page 38
Power Supply LEDs on the MX480 Craft Interface on page 39
DPC and MPC LEDs on the MX480 Craft Interface on page 39
FPC LEDs on the MX480 Craft Interface on page 39
SCB LEDs on the MX480 Craft Interface on page 40
Fan LEDs on the MX480 Craft Interface on page 40

Host Subsystem LEDs on the MX480 Craft Interface

Each host subsystem has three LEDs, located on the upper left of the craft interface, that
indicate its status. The LEDs labeled
and the SCB in slot . The LEDs labeled
0 0
SCB in slot . Table 7 on page 38
1
the craft interface.

Table 7: Host Subsystem LEDs on the Craft Interface

Label Color
Green
MASTER
Green
ONLINE
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.
RE0 show the status of the Routing Engine in slot
show the status of the Routing Engine and
RE1
describes the functions of the host subsystem LEDs on
State Description
On steadily Host is functioning as the master.
On steadily Host is online and is functioning normally.
(for "alarm
ACO/LT
Copyright © 2019, Juniper Networks, Inc.