Dell EMC S4112-ON Series Setup-Handbuch - Seite 13

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NOTE:

Coat the one-hole lug with an anti-oxidant compound before crimping. Also,

bring any unplated mating surfaces to a shiny finish and coat with an anti-oxidant

before mating. Plated mating surfaces must be clean and free from contamination.

NOTE:

The rack installation ears are not suitable for grounding.

Before you install the switch into the dual-tray:

Cut the ground cable (not included) to the desired length. The cable length must

facilitate proper operation of the fault interrupt circuits. Use the shortest cable route

allowable.

Unscrew the two attached M4 screws and set aside.

Attach the ground lug and bracket to the switch using the M4 screws.

Using one of the two M4 threaded holes, attach the ground cable to the lug. Use the

M4 screw with a captive internal tooth lock washer. Torque the screw to ±5-6 in-lbs.

Attach the other end of the ground cable to a suitable ground point such as the rack or

cabinet.

The rack installation ears are not a suitable grounding point.

Rack or cabinet installation

You may either place the switch on a rack shelf or mount the switch directly into a 19" wide,

EIA-310- E-compliant rack. The dual-tray mounting rails ship with the dual tray, not the

switch.

WARNING:

This guide is a condensed reference. Read the safety instructions in

Safety, Environmental, and Regulatory information booklet before you begin.

your

NOTE:

The illustrations in this section are not intended to represent a specific

switch.

NOTE:

Do not the use the mounted rails as a shelf or a workplace.

•

Rack loading—Overloading or uneven loading of racks may result in shelf or rack failure,

possibly damaging the equipment and causing personal injury. Stabilize racks in a

permanent location before loading begins. Mount the components starting at the

bottom of the rack, then work to the top. Do not exceed your rack's load rating.

•

Power considerations—Connect only to the power source specified on the unit. When

you install multiple electrical components in a rack, ensure that the total component

S4112-ON Series Installation