Table 51: Supported Power Supplies
First
Supported
Junos OS
ReleaseModel NumberName
5.3PWR-T-DCTwo-input 160-A DC power supply (EOL
PSN-2010-01-644)
See the “T640 Two-Input 160-A DC Power Supply
Description” on page 96.
8.5PWR-T1600-3-80-DCThree-input 240-A DC power supply
See the “T640 Three-Input 240-A DC Power Supply
Description” on page 99.
NOTE: For the T640 router, this power supply is
supported only in 2-INPUT mode.
10.0PWR-T1600-4-60-DCFour-input 240-A DC power supply
See the “T640 Four-Input 240-A DC Power Supply
Description” on page 102..
12.1PWR-T-6-60-DCSix-input DC power supply
See the “T640 Six-Input DC Power Supply
Description” on page 104..
Related
Documentation
T640 Hardware Component Overview on page 13•
• Powering On a DC-Powered T640 Router on page 239
• Maintaining the T640 Power Supplies on page 456
• T640 DC Power System Electrical Specifications on page 125
T640 Two-Input 160-A DC Power Supply Description
•
Two-Input 160-A DC Power Supply on page 96
•
Two-Input 160-A DC Power Supply Inputs on page 97
•
Two-Input 160-A DC Power Supply Load Sharing and Fault Tolerance on page 97
Two-Input 160-A DC Power Supply
Each two-input 160-A DC power supply weighs approximately 23 lb (10.5 kg) and consists
of two inputs, two 80-A @ –48 VDC circuit breakers, a fan, and LEDs to monitor the
status of the power supply. Figure 36 on page 97 shows the two-input 160-A DC power
supply.
Copyright © 2017, Juniper Networks, Inc.96
T640 Core Router Hardware Guide
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