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Figure 191: Disconnecting a DC Power Cable from a Four-Input 240-A DC

Power Supply

g004661

Terminal studsCable lug

Locking

washer

Nut

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

NOTE: All inputs on the two-input 160-A DC power supply in slot PEM0 must

be powered by dedicated power feeds derived from feed A, and all inputs on

the two-input 160-A DC power supply in slot PEM1 must be powered by

dedicated power feeds derived from feed B. This configuration provides the

commonly deployed A/B feed redundancy for the system.

NOTE: Only INPUT 0 and INPUT 1 are supported for the T640 router. INPUT

2 on the three-input240-A DC powersupply is not supported.Do not connect

the replacement cable to INPUT 2. INPUT 0 and INPUT 1 on the three-input

240-A DC power supply in slot PEM0 must be powered by dedicated power

feeds derivedfrom feed A, and INPUT 0 and INPUT 1 on the three-input 240-A

DC power supply in slot PEM1 must be powered by dedicated power feeds

derived from feed B. This configuration provides the commonly deployed

A/B feed redundancy for the system.

T640 Core Router Hardware Guide

Juniper T640 Hardware Guide

Other manuals for Juniper T640