PWR-2700-DC-R datasheet(38/80 Pages) ARISTA

38 / 80 page

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Each supply is wired to one feed, either A, or B.

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The recommended installation is to alternate A, B feeds. In a four supply system configuration, you

would wire ABAB, left to right.

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All power supply slots must be filled with a powered supply (A or B), or a blank (X), or a non-

powered power supply.

For supervisor cooling purposes, all systems require a minimum number of operating power supplies

(see Power Supply Configurations ) at all times in the top half of the chassis. For optimal performance,

alternate pairs of power supplies (A and B) evenly from top to bottom (8 or more slot chassis).

Valid examples include:

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AXAX Minimum Configuration supported, 2+0 (non-redundant)

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ABAB 2+2 redundant

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ABAB (Upper), AB (Lower) 3+3 redundancy

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ABAB (Upper), ABAB (Lower) 4+4 redundancy

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ABXXAB (Upper), ABXXAB (Lower) 4+4 redundancy (12-slot chassis)

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ABABAB (Upper), ABABAB (Lower) 6+6 redundancy

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AAAX for 3+0 or 2+1 redundancy, with the X anywhere

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AAAA for 4+0 or 3+1 redundancy

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ABABAB (Upper), ABABAB (Lower) 6+6 redundancy (12-Slot Chassis)

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XABAX/XBABX (Upper), XABAX/XBABX (Lower) 6+6 redundancy (16-slot chassis)

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BABAB/ABABA (Upper), BABAB/ABABA (Lower) 10+10 redundancy (16-slot chassis)

Each power supply includes a fan that maintains proper power supply temperature and cools the

supervisor modules. The following appendices display the location of the following component on all

switches described in this guide.

Front Panel displays the front panel location of the supervisor modules.

Rear Panel displays the rear panel location of power supplies and fabric modules.

Important: This unit requires over-current protection.

Cet appareil nécessite de protection contre les surintensités.

Important: Unused slots must be occupied or covered with a blank to ensure proper airflow

through the chassis.

Les emplacements inutilisés doivent être occupés ou recouvert d'un blanc pour assurer la

bonne circulation d'air dans le châssis.

4.9

Connecting Supervisor Cables

Supervisor modules contain console, management, and USB ports. Figure 24: Supervisor

DCS-7500E-SUP and Figure 25: Supervisor DCS-7500E-SUP 2 display port locations on the

supervisors.

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