Chapter 2: Installation

Installing the

Chassis Ground

Lug

A terminal lug is provided with the AT-SBx3112 Chassis to provide a permanent connection to a good earth ground. This permanent connection is required to insure a common ground path is provided for all line cards and power supplies installed in the chassis.

To install the # 10 AWG ground wire, perform the following procedure:

1.Prepare an adequate length of stranded grounding wire (10 AWG) for the ground connection.

2.Strip the grounding wire as shown in Figure 28.

1.27 cm

11mm ±1mm (0.5 in)

(0.44in. ±0.03in.)

100

Figure 28. Stripping the Grounding Wire

3.Detach the ground lug that is attached to the chassis by removing the two screws on the rear of the chassis as displayed in Figure 29.

8

D

SYSTEM

PSU

10

1788

Figure 29. Removing Ground Lug Screws

4.Use a crimping tool to attach the wire to the grounding lug included with the chassis.

102

Figure 30. Attaching the Grounding Wire to the Grounding Lug

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Allied Telesis AT-SBX31GP24, X3112 manual Installing Chassis Ground Lug, Attaching the Grounding Wire to the Grounding Lug