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CAUTION: You must ensure that power connections maintain the proper polarity. The

power source cables might be labeled (+) and (–) to indicate their polarity. There is no

standard color coding for DC power cables. The color coding used by the external DC

power source at your site determines the color coding for the leads on the power cables

that attach to the terminal studs on each power supply.

WARNING: For field-wiring connections, use copper conductors only.

For other electrical safety information, see General Electrical Safety Guidelines and Warnings.

CAUTION: Power cords and cables must not block access to services gateway components

or drape where people could trip on them.

For a description of the DC power supply, see “SRX3600 Services Gateway DC Power Supply Overview”

on page 56. For instructions on connecting the DC power and grounding cables during initial installation,

see “Connecting the SRX3600 Services Gateway to a DC Power Source” on page 148. For instructions on

replacing a DC power cable, see “Replacing DC Power Supply Cables on the SRX3600 Services Gateway”

on page 238.

Table 25 on page 86 summarizes the specifications for the power cables, which you must supply.

Table 25: DC Power Cable Specifications

Quantity and SpecificationCable Type

Eight 6-AWG (13.3 mm

), minimum 60°C wire, or as permitted by the local codePower

Juniper SRX3600 Hardware Guide

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