Juniper T640 Hardware Manual page 466

T640 Core Router Hardware Guide
434
houses the router. A pair of cables (one input and one return) connects each set of
terminal studs to the power distribution panel.
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:
INPUT 0
slot PEM0 must be powered by dedicated power feeds derived from feed A,
and and
INPUT 0
must be powered by dedicated power feeds derived from feed B. This
PEM1
configuration provides the commonly deployed A/B feed redundancy for the
system.
NOTE: All inputs on the four-input 240-A DC power supply in slot
be powered by dedicated power feeds derived from feed A, and all inputs on
the four-input 240-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: All inputs on the six-input DC power supply in slot
powered by dedicated power feeds derived from feed A, and all inputs on
the six-input DC power supply in slot
power feeds derived from feed B. This configuration provides the commonly
deployed A/B feed redundancy for the system.
Figure 241 on page 435 and
arrangement.
and on the three-input 240-A DC power supply in
INPUT 1
on the three-input 240-A DC power supply in slot
INPUT 1
PEM1
Figure 242 on page 435 shows a typical DC source cabling
PEM0
must be powered by
PEM1
PEM0
must be powered by
PEM1
PEM0 must be
must be powered by dedicated
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must
must