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TX Matrix Hardware Guide
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TX Matrix DC Power Distribution
342
Figure 145: Power Cable Lug
CAUTION: Before TX Matrix router installation begins, a licensed electrician
must attach a cable lug to the grounding and power cables that you supply.
A cable with an incorrectly attached lug can damage the TX Matrix router.
Installing a TX Matrix Two-Input 160-A Power Supply on page 272
Installing a TX Matrix Three-Input 240-A DC Power Supply on page 279
General Electrical Safety Warnings for M Series, MX Series, and T Series Routers on
page 319
DC Power Electrical Safety Warnings for M Series, MX Series, and T Series Routers on
page 324
Most sites distribute DC power through a main conduit that leads to frame-mounted DC
power distribution panels, one of which might be located at the top of the rack that
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
must be powered by dedicated power feeds derived from feed A,
PEM0
and
INPUT 0
and
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.
Figure 146 on page 343 shows a typical DC source cabling arrangement.
and
on the three-input 240-A DC power supply in
INPUT 1
INPUT 1
on the three-input 240-A DC power supply in slot
PEM0
PEM1
must be powered by
Copyright © 2010, Juniper Networks, Inc.
must
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