Mx2020 Component Leds On The Craft Interface; Mx2020 Host Subsystem Leds And Buttons On The Craft Interface; Table 12: Alarm Leds And Alarm Cutoff/Lamp Test Button; Table 13: Host Subsystem Leds On The Craft Interface - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide
Related
Documentation

MX2020 Component LEDs on the Craft Interface

36

Table 12: Alarm LEDs and Alarm Cutoff/Lamp Test Button

Shape Color
Red
Yellow
–
MX2020 Craft Interface Description on page 33
MX2020 Alarm Relay Contacts on the Craft Interface on page 38
MX2020 Router Overview on page 3
MX2020 Host Subsystem LEDs and Buttons on the Craft Interface on page 36
MX2020 Power Supply Module LEDs on the Craft Interface on page 37
MX2020 Line Card LEDs and Buttons on the Craft Interface on page 37
MX2020 SFB LED and Buttons on the Craft Interface on page 38
MX2020 Fan LEDs on the Craft Interface on page 38

MX2020 Host Subsystem LEDs and Buttons on the Craft Interface

Each host subsystem has three LEDs, located in the upper middle of the craft interface,
that indicate its status. The LEDs labeled
the CB-RE in slot . The LEDs labeled
0
CB-RE in slot 1 . Table 13 on page 36

Table 13: Host Subsystem LEDs on the Craft Interface

Label Color
Green
MASTER
Green
ONLINE
State LED Control Name
On steadily Critical alarm
On steadily Warning alarm
– Alarm cutoff/lamp
test button
show the status of the Routing Engine on
RE0
show the status of the Routing Engine on the
RE1
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.
Description
Indicates a critical condition
that can cause the router to
stop functioning. Possible
causes include component
removal, failure, or
overheating.
Indicates a serious but
nonfatal error condition,
such as a maintenance alert
or a significant increase in
component temperature.
Deactivates red and yellow
alarms. Causes all LEDs on
the craft interface to light
(for testing) when pressed
and held.
Copyright © 2013, Juniper Networks, Inc.