Juniper M Series User Manual

Figure 74: T640 Router Redundant Host Module LEDs
Table 51 on page 188 describes the functions of the host subsystem LEDs.
Table 51: T640 Router Host Subsystem LEDs
DescriptionStateColorLabel
Host module is online and functioning
normally.
On steadilyGreenOK
Host module is offline.On steadilyRedFAIL
Host module is functioning as master.On steadilyGreenMASTER
Related
Documentation
T640 Core Router Overview on page 31•
Check the T1600 Router Routing Engine LEDs
Purpose Each host subsystem has three LEDs, located on the upper right of the craft interface,
which indicate status. The LEDs labeled HOST0 show the status of the Routing Engine
in slot RE0 and the Control Board in slot CB0. The LEDs labeled HOST1 show the status
of the Routing Engine in slot RE1 and the Control Board in slot CB1.
Action Figure 75 on page 188 shows the host module LEDs on the T1600 router craft interface.
Figure 75: T1600 Router Redundant Host Module LEDs
g002419
SP0
SP1
SP2
SP3
SP4
ACO/LT
ENTER
MENU
HOST0
HOST1
FAIL OK
MASTER
FAIL OK
MASTER
FAIL OK
FPC 0
OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL
FPC 1 FPC 2
FPC 3
FPC 4 FPC 5 FPC 6 FPC 7
FPC LEDs and online/offline buttons
Host
subsystem
LEDs
LCD display
Yellow
alarm
LED
Red
alarm
LED
SIB
LEDs
Table 52 on page 189 describes the functions of the host subsystem LEDs.
Copyright © 2012, Juniper Networks, Inc.188
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