T1600 Four-Input 240-A Dc Power Supply Leds - Juniper T1600 Hardware Manual

T1600 Core Router Hardware Guide

T1600 Four-Input 240-A DC Power Supply LEDs

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64
LEDs on each four-input 240-A DC power supply faceplate (see Table 23 on page 64)
indicate the status of the power supply. In addition, a power supply failure triggers the
red alarm LED on the craft interface. Figure 39 on page 64 displays the power supply
LEDs.
Figure 39: Four-Input 240-A DC Power Supply LEDs
Table 23: Four-Input 240-A DC Power Supply LEDs
LED Color
Green
INPUT
PRESENT —One
per input
—One per Green
CB ON
input
—One per Blue
DC OK
power supply
OVER Yellow
—One per
TEMP
power supply
T1600 Four-Input 240-A DC Power Supply Overview on page 62
CIRCUIT BREAKERS FOR MIN. 60
SEC. TO DE-ENERGIZE THE UNIT
COMPLETELY BEFORE TURN ON.
60A
60A
60A
INPUT 3
60A
Power supply LEDs
State Description
On steadily Input is receiving voltage.
Off Input voltage is not present.
On steadily Circuit breaker is on.
Off Circuit breaker is not turned on, or
host subsystem has detected a
failure and has turned the circuit
breaker off.
On steadily When all four inputs are properly
energized, the
that the power supply is functioning
normally.
Blinking Either the power supply is starting
up, or it is not functioning, not
properly installed, or not operating
properly.
On steadily Power supply has exceeded
recommended temperature.
Off Power supply is within the
recommended temperature or the
power supply is not on.
Copyright © 2010, Juniper Networks, Inc.
DC OK LED indicates