Dc Power Supply; Figure 191: Disconnecting A Dc Power Cable From A Four-Input 240-A Dc Power - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
Installing a T640 DC Power Supply Cable on a Two-Input 160-A Power Supply, Three-Input
240-A DC Power Supply, or a Four-Input 240-A DC Power Supply
376
Figure 191: Disconnecting a DC Power Cable from a Four-Input 240-A DC
Power Supply
Cable lug
Locking
washer
Nut
NOTE: All inputs on the two-input 160-A DC power supply in slot
be powered by dedicated power feeds derived from feed A, and all inputs on
the two-input 160-A DC power supply in slot
dedicated power feeds derived from feed B. This configuration provides the
commonly deployed A/B feed redundancy for the system.
NOTE: Only
INPUT 0
2 on the three-input 240-A DC power supply is not supported. Do not connect
the replacement cable to
240-A DC power supply in slot
feeds derived from feed A, and
DC power supply in slot
derived from feed B. This configuration provides the commonly deployed
A/B feed redundancy for the system.
Terminal studs
and are supported for the T640 router.
INPUT 1
.
INPUT 2 INPUT 0
PEM0 must be powered by dedicated power
and
INPUT 0 INPUT 1
must be powered by dedicated power feeds
PEM1
PEM0
must be powered by
PEM1
INPUT
and on the three-input
INPUT 1
on the three-input 240-A
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must