M320 Led Overview; Craft Interface Leds; Component Leds - Juniper M320 Hardware Manual

M320 Router Hardware Guide
Related
Documentation

M320 LED Overview

Craft Interface LEDs

Component LEDs

126
you encounter software problems, or problems with hardware components not
discussed here, contact JTAC.
Contacting Customer Support on page 281
Craft Interface LEDs on page 126
Component LEDs on page 126
The craft interface displays system status messages and allows you to troubleshoot the
router.
LEDs on the craft interface include:
Host subsystem LEDs—Three LEDs (one green
) indicate the status of each host subsystem. The host subsystem LEDs are located
FAIL
on the upper right of the craft interface, and are labeled
information, see "M320 Craft Interface Host Subsystem LEDs" on page 30.
SIB LEDs—Two LEDs (one red
The SIB LEDs are located in the middle of the craft interface, and are labeled
. For more information, see "M320 Craft Interface SIB LEDs" on page 31.
3
Power supply LEDs—Two LEDs (one red
of each power supply. The power supply LEDs are located in the middle of the craft
interface, and are labeled
Power Supply LEDs" on page 31.
FPC LEDs—Two LEDs (one red
FPC. The FPC LEDs are located along the bottom edge of the craft interface, and are
labeled through
FPC0 FPC7
and Online/Offline Buttons" on page 32.
Alarm LEDs—One large red circular LED and one large yellow triangular LED, located
on the upper left of the craft interface, indicate two levels of alarm conditions. You can
determine the cause of the alarm condition by looking at the LCD on the craft interface.
For more information, see "M320 Craft Interface Alarm LEDs and ACO/LT Button" on
page 28.
The following LEDs are located on various router components and display the status of
those components:
SIB LEDs—Three LEDs on each SIB faceplate—
status of that SIB.
CB LEDs—Three LEDs on each CB faceplate indicate the status of that CB. If no LEDs
are lit, the CB is not receiving power.
MASTER
and one green
FAIL OK
FAIL and one green
through . For more information, see "M320 Craft Interface
0 3
FAIL and one green OK
. For more information, see "M320 Craft Interface FPC LEDs
ACTIVE
, one green , and one red
OK
RE0 and RE1 . For more
) indicate the status of each SIB.
0 through
OK ) indicate the status
) indicate the status of each
, OK , and FAIL —indicate the
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