SRX5600 Services Gateway Chassis Grounding Specifications

Caution: Before services gateway installation begins, a licensed electrician must attach a cable lug to the grounding and power cables that you supply. A cable with an incorrectly attached lug can damage the services gateway.

To meet safety and electromagnetic interference (EMI) requirements and to ensure proper operation, the services gateway must be adequately grounded before power is connected. To ground AC-powered and DC-powered services gateways, you must connect a grounding cable to earth ground and then attach it to the chassis grounding points using the two screws provided.

Two threaded inserts (PEM nuts) are provided on the upper rear of the chassis for connecting the services gateway to earth ground. The grounding points fit UNC 1/4–20 screws (American). The grounding points are spaced at 0.625-in. (15.9-mm) centers. See Figure 75.

Note: Additional grounding is provided to an AC-powered services gateway when you plug its power supplies into grounded AC power receptacles.

Caution: Power cords and cables must not block access to services gateway components or drape where people could trip on them.

Figure 75: Grounding Point (AC-Powered Services Gateway Shown, DC-Powered Similar)

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