T1600 Four-Input 240-A Dc Power Supply Overview; Four-Input 240-A Dc Power Supply Description - Juniper T1600 Hardware Manual

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T1600 Four-Input 240-A DC Power Supply Overview

62
Table 21: Three-Input 240-A DC Power Supply LEDs
LED Color
—One per Green
CB ON
input
—One per Blue
DC OK
power supply
INPUT Green
—One
PRESENT
per input
Yellow
OVER
—One per
TEMP
power supply
T1600 Three-Input 240-A DC Power Supply Overview on page 59
T1600 DC Power Requirements on page 352
Troubleshooting the T1600 Power System on page 185
Replacing a T1600 Three-Input 240-A DC Power Supply on page 259
Four-Input 240-A DC Power Supply Description on page 62
Four-Input 240-A DC Power Supply Inputs on page 63
Four-Input 240-A DC Power Supply Load Sharing and Fault Tolerance on page 63

Four-Input 240-A DC Power Supply Description

Each four-input 240-A DC power supply weighs approximately 26.6 lb. (12.0 kg) and
consists of four inputs, four 60-A circuit breakers, a fan, and LEDs to monitor the status
of the power supply. Figure 38 on page 63 shows the four-input 240-A DC power supply.
State Description
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 the power supply is correctly
set to three-input mode and all
three inputs are properly energized,
the DC OK
power supply is functioning
normally.
Blinking Power supply is starting up, is not
functioning, is not properly
installed, or is not operating
properly.
On steadily Input is receiving voltage.
Off Input voltage is not present.
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.
LED indicates that the