Juniper M Series User Manual

Table 48 on page 186 describes the host module LEDs.
Table 48: M40e and M160 Router Host Module LEDs
DescriptionStateColorLabel
Host module (Routing Engine and MCS)
is functioning as master.
On steadilyGreenMASTER
Host module is present and operational.On steadilyGreenONLINE
Host module is starting up.Blinking
Host module is not present, or is present
but not operational.
On steadilyRedOFFLINE
Related
Documentation
M40e Multiservice Edge Router Overview on page 15•
• M160 Internet Router Overview on page 21
Check the M320 Router Routing Engine LEDs
Purpose Each host subsystem has three LEDs, located in the middle of the craft interface, that
indicate status. The LEDs labeled RE0 show the status of the Routing Engine in slot RE0
and the Control Board in slot CB0. The LEDs labeled RE1 show the status of the Routing
Engine in slot RE1 and the Control Board in slot CB1.
Action Figure 72 on page 186 shows the host module LEDs on the M320 router craft interface.
Figure 72: M320 Router Redundant Host Module LEDs
Table 49 on page 186 describes the functions of the host subsystem LEDs.
Table 49: M320 Router Host Subsystem LEDs
DescriptionStateColorLabel
Host module is offline.On steadilyRedFAIL
Host module is online and functioning
normally.
On steadilyGreenOK
Host module is functioning as master.On steadilyGreenMASTER
Copyright © 2012, Juniper Networks, Inc.186
M Series and T Series Routers Monitoring and Troubleshooting Guide

Juniper M Series Specifications

General

Brand	Juniper
Model	M Series
Category	Network Router
Language	English