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SRX1400 Services Gateway DC Power Cable Specifications

 

The DC power supply in slot P0 must be powered by dedicated power feeds derived from feed A, and the DC power supply in slot P1 must be powered by dedicated power feeds derived from feed B. This configuration provides the commonly deployed A/B feed redundancy for the system.

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 cause a tripping hazard.

For a description of the DC power supply, see SRX1400 Services Gateway DC Power Supply. For instructions on connecting the DC power and grounding cables during initial installation, see Connecting the SRX1400 Services Gateway to a DC Power Supply. For instructions on replacing a DC power cable, see Replacing a DC Power Supply on the SRX1400 Services Gateway.

Table 1 summarizes the specifications for the power cables, which you must supply.

Table 1: DC Power Cable Specifications

Cable Type

Quantity and Specification

Power

Eight 6-AWG (13.3 mm2), minimum 60°C wire, or as permitted by the local code