Troubleshooting T1600 Router Hardware Components; T1600 Troubleshooting Resources - Juniper T1600 Hardware Manual

CHAPTER 16
Troubleshooting T1600 Router Hardware
Components

T1600 Troubleshooting Resources

Copyright © 2010, Juniper Networks, Inc.
T1600 Troubleshooting Resources on page 173
T1600 LED Overview on page 174
T1600 Alarm Messages Overview on page 175
Troubleshooting the T1600 SIBs on page 177
Troubleshooting the T1600 Host Subsystems on page 179
Troubleshooting the T1600 Control Boards on page 180
Troubleshooting the T1600 SCGs on page 181
Troubleshooting the T1600 Craft Interface on page 181
Troubleshooting the T1600 Cooling System on page 182
Troubleshooting the T1600 FPCs on page 184
Troubleshooting the T1600 PICs on page 184
Troubleshooting the T1600 Power System on page 185
To troubleshoot a T1600 router, you use the Junos OS command-line interface (CLI),
LCD, alarms, devices connected to the alarm relay contacts on the CIP, and LEDs on both
the components and craft interface.
LEDs—When the Routing Engine detects an alarm condition, it lights the red or yellow
alarm LED on the craft interface as appropriate. In addition, you can also use the
component-specific LEDs on the craft interface and on the faceplate of a component
to troubleshoot the routing matrix.
LCD—When a red or yellow alarm occurs, the cause of the alarm messages is displayed
on the craft interface LCD. Use the CLI to display more information about the alarm.
Alarm devices connected to the alarm relay contact on the CIP—When a red or yellow
alarm occurs, it trips the corresponding alarm relay contact on the CIP.
CLI—The CLI is the primary tool for controlling and troubleshooting hardware, Junos
OS, routing protocols, and network connectivity. CLI commands display information
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