T1600 Scg Leds; T1600 Craft Interface Overview; T1600 Craft Interface Description - Juniper T1600 Hardware Manual

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T1600 SCG LEDs

T1600 Craft Interface Overview

T1600 Craft Interface Description

Copyright © 2010, Juniper Networks, Inc.
NOTE: The external clock inputs on the SONET Clock Generators (SCGs)
are supported for Junos OS Release 10.2 and later.
Three LEDs— , , and
OK FAIL
status of the SCG.
T1600 SCG LEDs on page 51
Table 14 on page 51 describes the functions of the SCG LEDs.
Table 14: SCG LEDs
Label Color
Green
OK
FAIL Yellow
MASTER Blue
T1600 Craft Interface Description on page 51
T1600 Craft Interface Alarm LEDs and ACO/LT Button on page 52
T1600 Craft Interface LCD and Navigation Buttons on page 53
T1600 Craft Interface Host Subsystem LEDs on page 54
T1600 Craft Interface SIB LEDs on page 55
T1600 Craft Interface FPC LEDs on page 55
The craft interface allows you to view status and troubleshooting information at a glance
and to perform many system control functions. It is hot-insertable and hot-removable.
The craft interface is located on the front of the T1600 Core Router above the FPCs (see
Figure 32 on page 52).
The front panel of the craft interface contains:
A four-line LCD display, along with six navigation buttons. The LCD display operates
in Idle mode or alarm mode.
Yellow LED, Red
Minor Alarm
ACO/LT button
Chapter 3: T1600 Router Hardware Components Overview
, located on the SCG faceplate, that display the
MASTER
State
On steadily
On steadily
On steadily
LED and alarm cutoff/lamp test
Major Critical Alarm
Description
SCG is online and is functioning
normally.
SCG has failed.
SCG is functioning as master.
51