T320 Scg Leds; T320 Craft Interface Description; Table 3: Scg Leds - Juniper Core Router T Series Hardware Manual

T320 Core Router Hardware Guide

T320 SCG LEDs

Related
Documentation

T320 Craft Interface Description

20
Three LEDs, located on the SCG faceplate, display the status of the SCG.
Table 3 on page 20 describes the functions of the SCG LEDs.
Table 3 on page 20 describes the functions of the SONET clock generator (SCG) LEDs.

Table 3: SCG LEDs

Label Color
OK Green
Yellow
FAIL
Blue
MASTER
T320 SONET Clock Generator (SCG) Description on page 19
Maintaining the T320 SCGs on page 273
Replacing a T320 SCG on page 186
Troubleshooting the T320 SONET Clock Generators on page 296
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 router above the FPCs and contains:
State Description
On steadily SCG is online and is functioning
normally.
Off SCG is not online or not
functioning normally.
On steadily SCG has failed.
Off SCG is offline or functioning
normally.
On steadily SCG is functioning as master.
Off SCG is not functioning as the
master.
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