Dell OPENVIEW NNM SE 1.2 Průvodce řešením problémů stáhnout pdf (Strana 114)

6-6 Dell PowerVault 51F 8-Port Fibre Channel Switch Installation and Troubleshooting Guide

3. Attach the assembly’s wiring harness to the center connection on the system

board.

Replacing the Cover

1. Place the cover on the switch leaving a 1/2 inch from the front panel.

2. Press down on the cover.

3. Gently slide the cover into the front panel until it engages.

4. Fasten the two captive screws on the back of the chassis by turning them a quar-

ter turn to the right.

Replacing the System Board

Replacing the system board involves removing the switch’s cover, removing the sys-

tem board, and installing the new system board.

NOTICE: See “Protecting Against Electrostatic Discharge” in the safety

instructions at the front of this guide.

Tools Required

#2 and #4 Phillips-head screwdriver

Removing the System Board

1. Remove the switch cover.

See “Removing the Switch Cover” found earlier in this chapter.

2. Remove all cabling attached to the front panel.

3. Remove all GBICs.

See “Removing a GBIC Module” found earlier in this chapter for instructions.

4. Disconnect the fan tray connector and avoid pulling the connector wires.

5. Disconnect the power supply connector(s).

6. Disconnect the serial port ribbon cable from the right front side of the system

board.

7. Remove the four Phillips screws from the system board.

8. Slide the system board forward into the metal guides on the right and left sides

of the system board so that it will clear the guides when lifted. (See Figure 6-6.)

9. Lift the back end of the system board at a 45-degree angle up over the metal

guides and slide it back until it lifts out of the chassis.

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Dell OPENVIEW NNM SE 1.2 Průvodce řešením problémů Strana 114