T4000 Led Overview; Craft Interface Leds; Component Leds - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide
Related
Documentation

T4000 LED Overview

Craft Interface LEDs

Component LEDs

190
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 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.
T4000 Craft Interface Description on page 23
T4000 Craft Interface LEDs on page 25
T4000 Connector Interface Panel (CIP) Description on page 27
T4000 LED Overview on page 190
T4000 Alarm Messages Overview on page 191
Contacting Customer Support on page 353
Craft Interface LEDs on page 190
Component LEDs on page 190
The craft interface displays system status messages and allows you to troubleshoot the
router. See "T4000 Craft Interface LEDs" on page
LEDs on the craft interface include:
Red and yellow alarm LEDs
FPC LEDs
Host subsystem LEDs
SIB LEDs
The following LEDs are located on various router components and display the status of
those components:
Control board LEDs
See "T4000 LCC-CB Control Board LEDs" on page 37
Routing Engine LEDs
See "T4000 RE-C1800 LEDs" on page
PIC LEDs
25.
41.
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