Dell Force10 E300 Manual de Início Rápido descarregar pdf (Página 10)

8 Installing the Hardware

E300 DC PEM Chassis Ground

E600i TeraScale and ExaScale DC Chassis Ground

Step Task

1 Locate the chassis ground connector studs on the PEM front panel. The

two studs on the upper left are the ground connection.

2 Remove all nuts and washers from the two ground studs.

3 Apply a coat of anti-oxidant paste to the connector studs.

4 Install the grounding cable. This cable is typically green or green and

yellow.

NOTE: Termination points require UL-listed 2-hole lug with 1/4-

inch holes on 3/4-inch spacing.

5 Replace the two washers and nuts on the studs.

6 Secure the nuts with a nut driver or torque wrench (not to exceed 4

ft/lbs).

7 Connect the opposite end of the grounding cable to the appropriate

nearest grounding.

Step Task

1 Remove one outer nut and one washer from each of the six studs. The

inner nut should remain tight on the stud, at no more than 25 inch-lbs.

2 Locate the chassis ground connector studs on the PEM front panel. The

two bottom studs are the ground connection.

MAKE GROUND CONNECTION FIRST

CAUTION - CAUTION -

Use copperUse copper

conductors onlyconductor

s only

(-) -48V cable, typically black

Ground cable, typically green or

green with yellow stripes

(+) Return cable, typically red

Over-current protector switch

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Dell Force10 E300 Manual de Início Rápido Página 10