Juniper Networks manual Calculating Power Requirements for an EX8208 Switch

Complete Hardware Guide for EX8208 Ethernet Switches

CAUTION: AC power cords for EX8200 switches are intended for use with this switch only and not for any other use.

Power Cable Warning (Japanese)

WARNING: The attached power cable is only for this product. Do not use the cable for another product.

CAUTION: Power cords must not block access to switch components. We recommend that you route all AC power cord cables through the power cord tray provided with the switch.

WARNING: The switch is pluggable type A equipment installed in a restricted-access location. It has a separate protective earthing terminal provided on the chassis in addition to the grounding pin of the power supply cord. This separate protective earth terminal must be permanently connected to earth ground. See “Connecting Earth Ground to an EX Series Switch” on page 167.

Related Topics • AC Power Supply in an EX8200 Switch on page 40

•AC Power Electrical Safety Guidelines for EX Series Switches on page 294

•AC Power Disconnection Warning for EX Series Switches on page 295

•General Electrical Safety Guidelines and Warnings for EX Series Switches on page 291

•Connecting AC Power to an EX8200 Switch on page 173

Calculating Power Requirements for an EX8208 Switch

Use the information in this topic to calculate power consumption, system thermal output, and number of power supplies required for different EX8208 switch configurations.

Before you begin these calculations:

•Ensure you understand the different switch configurations. See “EX8208 Switch Configurations” on page 6.

•Ensure that you know the power requirements of different switch components. See “Power Requirements for EX8208 Switch Components” on page 111.

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