Figure 100: Connecting Power To The Four-Input 240-A Dc Power Supply - Juniper T640 Hardware Manual

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T640 Core Router Hardware Guide

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feeds derived from feed B. This configuration provides the commonly

deployed A/B feed redundancy for the system.

Loosen the captive screws on the cable restraint on the right edge of the power supply

faceplate (using a Phillips (+) screwdriver, number 2).

Route the positive and negative DC power cables through the cable restraint.

Tighten the cable restraint captive screws to hold the power cables in place.

Verify that the power cabling is correct, that the power cables are not touching or

blocking access to router components, and that they do not drape where people could

trip on them.

Replace the clear plastic cover over the terminal studs on the faceplate.

Figure 100: Connecting Power to the Four-Input 240-A DC Power Supply

T640 Power System Description on page 95

T640 DC Power Distribution on page 130

Terminal studs

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