M40E Router Led Overview; Craft Interface Leds - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide
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M40e Router LED Overview

146
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CLI—The CLI is the primary tool for controlling and troubleshooting hardware, the Junos
OS, routing protocols, and network connectivity. CLI commands display information
from routing tables, information specific to routing protocols, and information about
network connectivity derived from the ping and traceroute utilities. For information
about using the CLI to troubleshoot the Junos OS, see the appropriate Junos OS
configuration guide.
JTAC—If you need assistance during troubleshooting, you can contact the Juniper
Networks Technical Assistance Center (JTAC) by using the Web or by telephone. If
you encounter software problems, or problems with hardware components not
discussed here, contact JTAC.
M40e Router LED Overview on page 146
M40e Chassis and Interface Alarm Messages on page 147
Contacting Customer Support on page 307
Craft Interface LEDs on page 146
Hardware Components LEDs on page 147

Craft Interface LEDs

The craft interface provides status and troubleshooting information at a glance. It is
located on the front of the chassis above the FPC card cage, as shown in "M40e Chassis
Description" on page 8. The LEDs on the craft interface include:
Alarm—The circular red alarm LED at the upper left of the craft interface indicates a
critical condition that can result in a system shutdown. The triangular yellow alarm
next to it indicates a less severe condition that requires monitoring or maintenance.
Both alarms can occur simultaneously. When an alarm LED is lit, the LCD describes
the cause of the alarm. For more information about the alarm LEDs, see "M40e Craft
Interface Alarm LEDs and Controls" on page 35. For more information about the causes
of alarms, see "M40e Chassis and Interface Alarm Messages" on page 147.
FPC—For each of the FPC slots in the router, there are two LEDs and an offline button
located on the craft interface directly above the slot. The green LED labeled
the red LED labeled
FAIL
and Controls on the M40e Craft Interface" on page 38.
Host module—Two sets of LEDs at the upper right corner of the craft interface indicate
the status of the two host modules. Each set includes three LEDs—a green one labeled
MASTER , another green one labeled
information, see "Host Module LEDs on the M40e Craft Interface" on page 37.
indicate FPC status. For more information, see "FPC LEDs
ONLINE , and a red one labeled
OK
OFFLINE . For more
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