Power System Components And Descriptions; T640 Power System Description - Juniper T640 Hardware Manual

CHAPTER 7
Power System Components and
Descriptions

T640 Power System Description

Copyright © 2017, Juniper Networks, Inc.
T640 Power System Description on page 95
T640 Two-Input 160-A DC Power Supply Description on page 96
T640 Two-Input 160-A DC Power Supply LEDs on page 98
T640 Three-Input 240-A DC Power Supply Description on page 99
T640 Three-Input 240-A DC Power Supply LEDs on page 100
T640 Four-Input 240-A DC Power Supply Description on page 102
T640 Four-Input 240-A DC Power Supply LEDs on page 103
T640 Six-Input DC Power Supply Description on page 104
T640 Six-Input DC Power Supply LEDs on page 105
T640 Three-Phase Delta and Wye AC Power Supply Description on page 106
T640 Three-Phase Delta and Wye AC Power Supply LEDs on page 109
The router supports two load-sharing DC power supplies, located at the lower rear of
the chassis. The power supplies connect to the midplane, which distributes different
output voltages produced by the power supply to the router components, depending on
voltage requirements.
The T640 router supports the DC power supplies in
NOTE: Mixing power supplies with a different number of inputs in the same
router is supported only during upgrade. Mixing different types of power
supplies is not supported during normal operations.
Table 51 on page 96.
95