T640 Three-Input 240-A Dc Power Supply Description; Three-Input 240-A Dc Power Supply - Juniper T640 Hardware Manual

Table 27: Two-Input 160-A DC Power Supply LEDs (continued)
LED Color
Yellow
OVER TEMP
Blue
DC OK
Related
Documentation

T640 Three-Input 240-A DC Power Supply Description

Copyright © 2013, Juniper Networks, Inc.
State
On steadily
Off
On steadily
Blinking
Off
T640 Power System Description on page 60
Powering On a DC-Powered T640 Router on page 162
Maintaining the T640 Power Supplies on page 194
T640 LED Overview on page 200
Three-Input 240-A DC Power Supply on page 63
Three-Input 240-A DC Power Supply Inputs on page 64
Three-Input 240-A DC Power Supply Load Sharing and Fault Tolerance on page 64

Three-Input 240-A DC Power Supply

Each three-input 240-A DC power supply weighs approximately 25 lb (11.3 kg) and consists
of three inputs, three 80-A circuit breakers, a fan, and LEDs to monitor the status of the
power supply. Figure 35 on page 64
mode.
2-INPUT
Chapter 3: T640 Router Hardware Component Overview
Description
Power supply has exceeded recommended
temperature.
Power supply is within the recommended
temperature or is not turned on.
Power supply is installed correctly and is
functioning normally.
Power supply is starting up, is not properly
installed, or is not functioning correctly. One of the
inputs might have failed, or the power supply might
not be receiving sufficient power.
Power supply is not powered on.
shows the three-input 240-A DC power supply in
63